WORKING PAPER

Herbicide Use at ’s Base Perimeters: Base by Base Analysis As documented in the Air Force Historical Research Agency Collection 1964 through 1976

-- A 1969 humorous view of Operation Ranch Hand operations, also known as ‘Trail Dust,’ by the 22nd Tactical Support Squadron, located at Binh Thuy Air Base, Republic of .

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Herbicide Use at Thailand’s Base Perimeters: Base by Base Analysis As documented in the Air Force Historical Research Agency Collection 1964 through 1976

Introduction View From the Top CHECO Report of 18 February 1973 Base-By-Base Analysis: Korat Base, 6234th Combat Support Group; 388th Tactical Fighter Wing (until 24 Dec 1975); 388th Combat Support Group (Dec 1975 -14 March 1976 (date of base closure) Nakhon Phanom Royal Thai Air Force Base, 634th Combat Support Group; 56th Air Commando (later Special Operations) Wing; 656th Special Operations Wing (NKP closed in Oct 1975) Takhli Royal Thai Air Force Base, 355th Tactical Fighter Wing (Sep 1965-Mar 1971; 6235th Air Base Sq (Takhli is closed from Apr 1971 through May 1972); 6499th Combat Support Group (Provisional); 366th Tactical Fighter Wing; 347th Tactical Fighter Wing (until 12 Jul 1974); 6280th Combat Support Group (until 1 Oct 1974, Takhli is closed) Ubon Royal Thai Air Force Base, 8th Tactical Fighter Wing (until Sep 1974); 6233rd Air Base Squadron (base closed by Aug 1974) Udorn Royal Thai Air Force Base, 35th Tactical Control Group (333rd Air Base Squadron, 1964); 6232nd and 6233rd Combat Support Groups; 630th Combat Support Group; 432nd Tactical Reconnaissance (later Fighter) Wing (18 Sep 1966 to 23 Dec 1975); 432 Combat Support Group (24 Dec 1975 to 21Feb 1976; closed 15 Mar 1976) U-Tapao Royal Thai Naval Air Field, 635th Combat Support [later, Aerospace Support] Group; 4258th Strategic Wing; 307th Strategic Wing and 310th Strategic Wing Other Bases: Chiang Mai, 1980 Comm Sq, OL-C (1974th Comm Gp) and 621 TCS Det 7 Don Muang Airport, 6236th Combat Support Group; 631st Combat Support Group (9 Apr 1966 to 30 Jun 1971); 6236th Air Base Sq (Jul-Nov 1971); 635th Combat Support Group, Detachment 1 (from 1 Jul 1971) Green Hill (also known as Khao Khieo), 621 Tactical Control Squadron, Det 4 Ko Kha Air Station, 6201st Aerospace Support Squadron (635th CSG) Mukdahan Air Station, 1987 Comm Sq, OL-25 (1974th Comm Gp) and 621 TCS Det 6 Roi-Et, 1982 Comm Sq, OL-A (1974th Comm Gp) Warin, 1982 Comm Sq, OL-B (1974th Comm Gp)

Introduction

Section 102, Public Law 104-262, the Veterans' Health Care Eligibility Reform Act of 1996, provides that the Department of Veterans Affairs (VA) is required to furnish hospital care and medical services, and may furnish nursing home care to veterans exposed to herbicides in Vietnam. Ever since the Congress of the declared that certain illnesses of veterans of the was caused by Agent Orange, veterans of the Southeast Asia conflict have had to prove their exposure to the VA to obtain medical care promised by the

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Congress. This is known as the “boots on the ground” proof that the VA requires. For those whose official military records (maintained by the National Personnel Records Center, 1 Archives Drive, St. Louis, MO 63138) show that they were stationed in Vietnam or sent to Vietnam for even a short stay (on temporary duty, also known as TDY), the qualification for VA health care is fairly routine and services are available. However, there are numerous veterans who claim to have been exposed to Agent Orange who also acknowledge that they were never in Vietnam. These veterans insist that while they were stationed in Thailand, they were exposed to Agent Orange or other herbicides, such as Agent Blue, White, Pink, Green or Purple.

The Congress did acknowledge that there were other areas of the world where Agent Orange was used, and directed that if proof of the presence of this particular herbicide was presented, the VA would also provide medical care for specified illnesses of those veterans who were at those locations. By 2010, with information provided by the Department of Defense, the VA had declared the following areas of Thailand to have been exposed to Agents Orange, Blue and Purple and therefore, if any veteran had been in these areas, would qualify for medical care. These areas are:1

Location: Replacement Training Center of the near Pranburi, Thailand Dates: 1964 and 1965 Project Description: An extensive series of tests were conducted by Fort Detrick during 1964 and 1965 in collaboration with the Military Research and Development Center of Thailand. The objective was to perform onsite evaluation of phytotoxic chemicals on vegetation in SE Asia. Agents: Orange, Purple DoD Involvement: Yes Location: Thailand Dates: 1964-65 Project Description: Sponsored by ARPA; ARPA Order 423, Between the mentioned dates, there was a large-scale test program to determine effectiveness of mentioned agents in defoliation of upland forest or jungle vegetation representative of SEA. Agents: Purple, Orange, Others DoD Involvement: Yes Location: Thailand Dates: 1964-65 Project Description: Field tests of defoliants were designed to evaluate such variables as rates, volume of application, season, and vegetation. Data from aerial application tests at several CONUS and OCONUS locations are provided in tables. Agents: Orange, Blue DoD Involvement: Yes veterans who were stationed in Thailand during the Vietnam War were located, for the most part, at Korat, Ubon, Udorn, Nakhon Phanom, or Takhli Royal Thai Air Force Bases; U-Tapao Royal Thai Naval Air Field, Don Muang Airport, Mukdahan Air Station or in the cities of , Chiang Mai, or Sattahip. None of these sites qualify for the VA’s medical coverage for Agent Orange exposure. Therefore, Thailand-based veterans in an effort to qualify for VA medical coverage have tried to prove that: 1) they were sent to Vietnam on a TDY while based in Thailand; 2) stopped in Vietnam on their way to or from their duty station in

1 Chart, “Information from Department of Defense (DoD) on Herbicide Tests and Storage Outside of Vietnam,” downloaded 26 March 2010 from www.pubichealth.va.gov/exposures/agentorange/outside_vietnam.asp.

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Thailand; or 3) that Agent Orange was used in Thailand at the bases where they were stationed. However, a fourth option became known in May 2010. The Department of Veterans Affairs announced that herbicides used on the Thailand base perimeters may have been tactical and procured from Vietnam, or a strong, commercial type resembling tactical herbicides could have been used and therefore, U.S. Air Force Veterans who served on Royal Thai Air Force bases at U-Tapao, Ubon, Nakhon Phanom, Udorn, Takhli, Korat and Don Muang, near the air base perimeter anytime between February 28 1961 and May 7, 1975 could now receive benefits for disease associated with herbicide exposure.

The Air Force Historical Research Agency (AFHRA) receives many requests from both veterans and the Department of Veterans Affairs to provide documented proof that support any of the four options that are claimed by the Thailand-based veteran. Since the AFHRA does not collect or maintain any personnel files of veterans, proof of an individual going TDY to Vietnam from his or her unit in Thailand is virtually impossible to prove. The AFHRA is a repository of official USAF unit histories and the supporting document volumes appended to those histories. Therefore, those are the only source of information that the AFHRA can use and vouch for when answering such inquiries. However, the unit histories oftentimes provide circumstantial evidence that could support a veteran’s claim. As an example, let us say that a veteran claims that as a member of the 56th Field Maintenance Squadron’s Jet Engine shop at Nakhon Phanom (also known as NKP) Royal Thai Air Force Base (RTAFB), he was sent to Saigon, South Vietnam, in July 1967 to learn how to implement a new Time Compliance Technical Order (TCTO) on the J-57 engines they used at NKP. The AFHRA’s researchers can review the official April through December 1967 history of the 56th Air Commando Wing, located at NKP (which covers the activities of its subordinate unit, the 56th Field Maintenance Squadron), and they find a passage noting that maintenance personnel were sent to , Vietnam, to undergo a maintenance course on a new type of maintenance procedure for jet engines in July 1967. The history does not say who was sent, but it does acknowledge that the event, as generally described by the veteran, did occur.

The second most common assertion by Thailand-based veterans is that on the way to or from their base in Thailand, they had to stop off at Tan Son Nhut Air Base (Saigon International Airport) to pick up or drop off fellow passengers. Recently, these types of requests now also add that everyone had to get off the plane and wait at the passenger terminal, therefore assuring that their “boots were actually on Vietnamese soil” while enroute to or from Thailand. This type of request is equally hard to prove with the documents held by the AFHRA. The AFHRA’s collections of histories are arranged by unit, not by function and destination of a unit’s aircraft. Therefore, to conduct any meaningful research, the veteran would have to know which unit flew him to Vietnam before the correct history could be reviewed to support his claim. This requirement is oftentimes beyond the ability of the veteran to fulfill. Since the (MAC) passenger transport aircraft that took the veteran to Vietnam (and subsequently to Thailand, or vice-a-versa) did not belong to the unit the veteran was assigned to, he or she has no way of knowing which MAC unit provided the transportation. Sometimes the veteran can offer clues, such as the fact that he began his trip from Travis Air Force Base (AFB). Travis was the home of the 60th Military Airlift Wing, and therefore the AFHRA researchers have a starting place to conduct research. These wing histories would be reviewed for any mentions of trips to Thailand with stops in Vietnam, for the date the veteran states the event occurred. The quality of information varies from history to history and from time period to time period. Some of the histories have appendixes that note every mission flown and the route taken, and sometimes, even the number of passengers and the mission number. One veteran retained his MAC ticket that had the date and the mission number on it. The unit history included mission numbers and flight schedules for every flight of that particular month, and proof

4 was provided to the VA that this particular aircraft had stopped in Saigon on its way to Thailand. However, sometimes the opposite occurs. Some histories only note that trips to Vietnam and Thailand were routine, but no other information is available. A review of these histories show that numerous flights that went to Thailand did not stop in Vietnam, as well as many that did. Commercial contract carriers were oftentimes not tracked by the local unit historian, as there was no requirement by the commercial carrier to share its information with an Air Force historian. It should also be noted that oftentimes veterans ask for passenger lists for their particular flight to prove they were on an aircraft that landed in Vietnam. No such lists exist. These passenger manifests were never considered to be permanent records, and were destroyed in a matter of weeks after a successful flight was completed.

The third assertion is that Agent Orange was stored, used, or sprayed at any or all of these USAF Thailand bases or facilities. After years of research within the collection of unit histories maintained by the Air Force Historical Research Agency, nothing has been found to support such an assertion. Not once has any documentation turned up that indicates that any Tactical Herbicide (i.e., Agent Orange) was ever used for vegetation control around any of the USAF installations in Thailand. However, the fourth circumstance, that of common commercial use herbicides were used around the perimeter base fence line, is absolutely true; but not at all installations and not at all times. The following is an installation-by-installation review of all USAF bases in Thailand and how they met the challenges of vegetation control around their perimeter fence.

View from the Top:

Pacific Air Forces

Extract, Headquarters , 1 July 1970 through 30 June 1971, Volume 1 (AFHRA Call Number K-1781-01 1 Jul 1970-30 Jun 1971, V. 1, IRIS Number 1118451):

Page 252, Herbicide Use in Southeast Asia: requested permission for the first time to use herbicide on an Air Force installation in Vietnam in November 1969. At this time the III Corps Tactical Zone chemical officer and the Gia Dinh province chief were asked to approve spraying along the perimeter fences at Tan Son Nhut Air Base. [Hist, 7AF, Jul-Dec 1969, pg. 437]

In January 1971 the Joint Chiefs of Staff established the following policies on the use of herbicides in Vietnam:

No use of herbicide orange is authorized, and strict adherence to policy that use of other herbicides will be under conditions which would apply in CONUS is required. Plans for Vietnamization of herbicide operations also required Presidential approval…. Defoliation by fixed wing aircraft was terminated by MACV on 10 July 70, and crop destruction operations are being phased out with an expected termination by 1 May 71…. Any herbicide operation after 1 May 71 will be defoliation by either helicopter or ground-based spray.

In June 1971 PACAF further stipulated that all herbicide applications must be performed by or under the direct supervision of civil engineering personnel certified competent to select, handle, and apply the material. These personnel were certified by Hq PACAF (DEM) upon completion of a training course and successfully passing a written examination. [PACAF supplement 1 to AFR 91-26, 11 Jun 71]

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Page 253: In Thailand, Hq PACAF instructed Thirteenth Air force to temporarily suspend the use of herbicides in Novmber 1970. IN addition, Thirteenth was required to advise PACAF on the impact of a permanent stop order, and to name areas where herbicides use was considered absolutely essential. Cost estimates to accomplish vegetation control by other methods were also to be submitted. [Hq PACAF (DEM) Record Summary, Nov 70.]

Spraying of herbicides along perimeter fences appeared to be an essential factor in assuring a clear view for security patrols on Thai air bases, where a definite infiltration threat existed. This was particularly true where several rows of concertina wire precluded manual vegetation control.

The suspension was later lifted by PACAF when it was found that herbicide spraying was essential for vegetation control under difficult conditions, and approval was granted on a case- by-case basis. [Interview, Mr. Tony Koura, PACAF historian, with Mr. Jonathan Kajiwara, PACAF Entomologist, 4 Aug 71.]

Thirteenth Air Force

Extract, Thirteenth Air Force, January through December 1962, Volume 1 (AFHRA Call Number K750.01, Jan-Dec 1962, V. 1, IRIS Number 528164):

[NOTE: The below describes the beginning of herbicide spraying in Vietnam. As can be seen, Vietnam was the only area considered and Thailand was not included in any herbicide spraying plans.]

Page II-67, Project Ranch Hand: A Tactical Air Command unit, designated “Tactical Air Squadron, Provisional One,” with 69 personnel and six C-123 aircraft specially equipped with large pressure tanks, was deployed from the ZI [zone of interior] to , , on 28 November 1961. The squadron arrived at Clark on 6 December and departed later in the month for Tan Son Nhut, Vietnam on a classified mission, coded “Ranch Hand,” in support of and MAAG [military assistance advisory group] missions.

Page II-68: The object of Project Ranch Hand was to deprive the Viet Cong Communist guerrillas of ambush cover along roads and canals by dropping a plant-killing spray, similar to wee- eradicating liquids used in the United States. Specifically, the aim was to defoliate a strip approximately 50 feet wide on either side of enemy transport arteries. A survey flight by USAF observers on 13 April 1962 provided the following information regarding progress of the project:

1. There was ample evidence that the defoliant chemical would turn leaves brown and eventually remove them. 2. Any significant improvement in visibility would involve periodic re-spraying to remove new growth. 3. The unit had four operationally ready (OR) spray aircraft and two qualified spray pilots. Although additional pilots could become qualified in six sorties, minimum altitude restrictions precluded accomplishment of this training. 4. The VNAF had one C-47 modified for spray operations and enough equipment on hand to modify another. Planned utilization of these aircraft could not be determined.

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The USAF observers recommended that Project Ranch Hand (defoliation) be continued until all chemicals in South Vietnam were dispensed on approved targets. At the time, there were approximately 112,000 gallons of the spray in South Vietnam. It was estimated that by using three C-123 spray aircraft per day, it would take 41 operational days and 122 sorties to dispense the chemical.

Page II-69: Although the material used was nontoxic and harmless to animals and humans alike, the decision to use defoliant must come from the Joint Chiefs of Staff.

The disappointing results of initial experiments were attributed by defoliation experts to the weather and weakness of the spray formula. In fact, until October 1962 operations consisted primarily of proficiency flying and day runs with no expenditure of chemicals. When defoliation missions were approved and flown in November along canals and rivers in the south delta region, the results were sent to the States for evaluation.

Unofficial information that filtered through from the field shortly after the first of the new year indicated that Project Ranch Hand had started to pay off. Officers associated with the program regarded defoliation as particularly effective in some of the most heavily Viet Cong controlled areas in the southern third of Vietnam. Some believed the project had already blocked many ambushes and saved lives as low bushes and scrub timber were stripped of leaves within a few weeks of spraying.

[NOTE: Need fuller citation for the below.]

Extract, Thirteenth Air Force, July 1966 through June 1967, Volume ? (AFHRA Call Number K750.01, Jul 1966-Jun 1967, V. # ?, IRIS Number ?):

Page 57: 11 October 1967, In-country clearance was sought for six C-123 herbicide aircraft and 60 personnel to operate from Nakhon Phanom, Thailand, for a 15 day period. The project involved defoliation of STEEL TIGER (southern Laos) routes.

[NOTE: This passage refers to the following message as the source of this information: Msg (C), 7/13AF (DO 01895 Oct 67) to COMUSMACTHAI, 13AF, et al, “In-Country Clearance for Defoliation Operations (U),” 11 Oct 1967. Unfortunately, this message is not among the supporting documents of this history]

[NOTE: There is no record of this operation being approved, or that it took place. The unit that would be tasked to conduct this spraying, the 12th Air Commando Squadron, does not note this occurring in their official unit history, and a table in the CHECO Report “Ranch Hand: Herbicide Operations in SEA” 13 July 1971, table on page 106, “Herbicide Operations in Laos” shows a gap of spraying in Laos from March 1967 through September 1968. This leads one to believe that the approval was not forthcoming from the Government of Thailand and that no herbicide spraying operations occurred in the August through October 1967 period. In addition, the fact that such a request would have been made, shows that the C-123 units located in Thailand did not have the capability to conduct herbicide spraying operations.]

635th Combat Support Group, April through June 1968 (AFHRA Call Number K-GP-SUP- 635-HI, Apr-Jun 1968, IRIS Number 444465):

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Headquarters Thirteenth Air Force, on 27 June 1968, published a letter approving mandatory Contractual Services by the Director of Procurement, Lt. Col. J.N. Badgett, Jr. In the attachment to this letter, a listing of bases in Thailand approved to let contracts for vegetation control is made:

Appendix IV, Base Procurement Office historical input, April-June 1968, Tab L: Letter, Thirteenth Air Force/DMP, Director of Procurement, Lt. Col. J.N. Badgett, Jr., 27 June 1968, Subject: Gold Flow Approval – Mandatory Contractual Services, Exhibit A:

1 Jul 68- 30 Jun 69 Brief Statement Organization Time Est Total by Est Cost Using Est Total Of Service & Location Period Contract In-Service Personnel Gold Flow

Vegetation 636 CSG, Clark 48,900 85,100 48,900 Control 467 CSG, Mactan 19,000 187,455 19,000 388 CSG, Korat 38,000 40,000 38,000 631 CSG, Don Muang 26,700 99,856 26,700 56 CSG, Nakhon Phanom 13,000 37,950 13,000

4 May 68- 3 May 69 Time Period

6214 ABG, Tainan 17,600 38,400 17,600

[NOTE: The above shows that local contractors were responsible for vegetation control for Korat, Don Muang and Nakhon Phanom air bases in 1968. The USAF was not spraying any herbicides at this time on the Perimeter fences in 1968.]

[NOTE: Udorn RTAFB was attacked on 26 July 1968, which prompted the below message to be sent to all USAF bases in Thailand:]

56th Special Operations Wing, July through September 1968, Volume 3 (AFHRA Call Number K-WG-56-HI, Jul-Sep 1968, V. 3, IRIS Number 451125):

Supporting Document 67, Message, Deptuy Commander, 7/13 AF, Udorn Afld, Thailand to 8TFW, Ubon; 355TFW, Takhli; 388TFW Korat; 432TRW Udorn; 56ACW, NKP; 6310CSG, Don Muang; 6350CSG, U-Tapao; MACTHAI; 7AF, TSN; 13AF, Clark; HQ PACAF; AMEBM Bangkok, Thailand; American Counsl, Udorn, Subject: Lessons Learned From The Attack on Udorn, 26 Jul 68:

Paragraph 2: Lessons Learned. Following is a discussion of lessons learned. Conclusions are very preliminary and are forwarded without further documentation for the benefit of commanders in Thailand. a. Thai guards performed well as members of joint UJSAF/Thai Teams. It is probably well to maintain the feeling of joint responsibility.

8 b. Lack of perimeter lighting, watch towers, inadequate fencing, weeds, and close perimeter afforded the enemy increased surprise and east of penetration. Selective construction of more bunkers would have enhanced the defense, although care required to avoid making these available to infiltrators.

[NOTE: The rest of the message deals with the need for flare ships, fire discipline, Thai guard and forces support and radio coordination. The final paragraph states:]

Paragraph 3: Commanders will take the following steps:

A. Immediately assess availability of Thai forces to support defense of base. B. Evaluate procedures and communications for coordination of base defense during emergency and make adjustments as possible C. Review training status of USAF and Thai Guards, and initiate retraining on a scheduled basis. D. Take steps to develop a standby flare ship capability at Udorn, Ubon, NKP, and Korat. E. Review base defense plan with an eye to covering critical areas which are adjacent to the perimeter.

[NOTE: In essence, the Deputy Commander of 7/13th Air Force was ordering the base commanders in Thailand the above steps. As can be seen, vegetation or ‘weed’ control would fall under subparagraph E, above, and was the last item mentioned and the least forceful of the ordered steps to take.]

Thirteenth Air Force 1 July 1968 through 30 June 1969 history, Volume 1 (AFHRA Call Number K750.01, FY 1969, V. 1, IRIS Number 899069):

I-235, Base Defenses: Shortly after the 26 July 1968 insurgent attack on Udorn Air Base which damaged an F-4D and a C-141 the Deputy Commander 7/13th Air Force appointed a five member ad hoc committee to survey base defense capabilities at the seven major air bases occupied by Thirteenth Air Force. This review from 27 July through 29 August examined eight areas of interest: area defense, command control, base defense command control, equipment, manpower/training, operations/plans, barrier program, tactical support, and defensive measure responsible for external security. According to the findings the overall situation was not good.

Page I-237-238: Effective base defense operations were handicapped by personnel shortages, marginal physical security facilities, insufficient communications (no dual channel radios), and “…virtually non- existent…” vegetation control around base perimeters. Further, the perimeter fencing was “…totally unsatisfactory…” at all bases.

Page I-244: Other beneficial steps were constructing physical security aids such as bunkers, gun emplacements, erecting 368,531 linear feet of fixed fortification fencing, and defoliation of perimeter areas.

[NOTE: The supporting document used for the above, located in Volume 4 of the history as #184, notes in paragraph 6d, “Defoliation is underway and in various stages of completion.” No hint as to what is meant by “defoliation” or what type of herbicide, if any, was used.]

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Thirteenth Air Force 1 July 1973 through 30 June 1974 history, Volume 2 (AFHRA Call Number K750.01, FY 1974, V. 2, IRIS Number 1011933):

Page 579, Logistics Chronology: 13 April 1974 COMUSMACTHAI, in regards to herbicide application, twixed 13th AF ADVON (Message, COMUSMACTHAI to 13AF ADV”ON/Udorn (info 13th AF), Subject: Herbicide Application,” 130520Z April 1974: “Recent claims against the U.S. government for damage caused by use of herbicides have caused a review of herbicide application policies.

“Until further notice, herbicides will not be applied at U.S.-tenanted Thai military installations. Approved alternate methods to be used for vegetation control include cutting, plowing, burning and spraying of fuel oil. Advanced approval by this headquarters is not required if one of these alternate methods is used; however, concurrence of local Thai authorities is required in each case.

“Based on the findings of the on-going review of herbicide application policies, you will be further advised.”

[NOTE: The original copy of this message was not included in the 13th AF history, although it is quoted and appears as above in the chronology.]

Seven/Thirteenth Air Force

Seven/Thirteenth Air Force 1 July through 31 December 1970 (AFHRA Call Number K744.01, Jul-Dec 1970, IRIS Number 528009):

Page 47: Restrictions on the Use of Herbicides. In November [1970], CINCPACAF issued a stop order on the use of herbicides for control of vegetation around base perimeters, stating that the program was under review at that headquarters. On 19 November, this headquarters provided guidance in replying to the original message concerning difficulties in controlling perimeter vegetation without the use of herbicides.

Past problems along this line were cited: perimeter fencing overgrown with grass, vines and weeks which would be impossible to clear by machinery; hand clearing, a time-consuming, expensive process, precluded by in-country manpower limitations; controlled burn-off would require removal of trip flares and replacement following the operation; and burn-off would additionally accelerate oxidation of the fence wire.

Project CHECO (Contemporary Historical Evaluation of Current Operations)

Project CHECO Southeast Asia Report, Base Defense in Thailand, 18 Feb 73, AFHRA Call Number K717.0414-38:

Page 58: To further aid in observation, herbicides were employed to assist in the difficult task of vegetation control. Use of these agents was limited by such factors as the ROE and supply problems.

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[NOTE: The term “herbicides” is not defined in the above and does not appear to mean Tactical Herbicides such as Agent Orange, but, in fact, to mean non-tactical, commercial-grade herbicides. There were no sources noted in this report for this passage.]

Page 67: The U.S. Embassy's ROE also provided several imitations on physical defenses. The original 1968 ROE prohibited the use of flareships. This was changed in 1969, and flare drops and the use of 81mm mortars were approved for illumination as long as the "trash" didn't impact outside the base. Soil sterilization and herbicide use was also approved in 1969, but these were subject to extensive coordination with local Royal Thai Government authorities and final permission from the [American] Embassy. They could only be used on areas within the perimeter and under no circumstances could the vegetation control agents be used to clear areas of observation to fire off-base. This lengthy process, and the inability to go beyond the fences, significantly limited the use of those agents at many bases.

Starting with Page 68, each base in Thailand is then reviewed. The following extracts concern only the control of vegetation for each base:

Base-Base Analysis:

Page 68, Korat RTAFB. Vegetation control was a serious problem at this base in 1972, especially in the critical RTAF area near the end of the runway. The dense growth offered opportunity for concealment in the area contiguous to the unrevetted KC-135 parking ramp. Further, vegetation was thick in many sectors of the concertina wire on the perimeter. The base had received Embassy permission to use herbicides and had just begun that program in June [1972].

Korat RTAFB:

[NOTE: Before the 388th Tactical Fighter Wing took over as the host unit of Korat, the 6234th Combat Support Group was the housekeeping organization. Before the 6234th, the 6234th Air Base Squadron was the host at Korat. Prior to the 6234th AB Squadron, Detachment 1 of the 35th Tactical Group, was the host unit at Korat. The 6234th Combat Support Group histories were submitted to the AFHRA as supporting documents to the 35th Tactical Group histories.]

Det 1, 35th Tactical Group, unk-25 Mar 1965 6234th Air Base Squadron, 25 Mar-8 May 1965 6234th Combat Support Group, 8 May 1965-Jan 1967 (The 6234th Combat Support Group histories were submitted to the AFHRA as supporting documents to the 35th Tactical Group histories). 388th Combat Support Group, Jan 1967-1974 CLOSED 1974

35th Tactical Group, 1 January through 30 June 1964 (AFHRA Call Number K-GP-35-HI, Jan-Jun 1964, IRIS Number 435558):

Roster of Key Personnel: Det 1, 35th Tactical Group was in charge of USAF interests at Korat.

[NOTE: No mention of any vegetation control or herbicide use in this history.]

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35th Tactical Group, 1 July through 31 December 1964, Volume 3 (AFHRA Call Number K-GP-35-HI, Jul-Dec 1964, V. 3, IRIS Number 435561):

Historical Data Record, Det 1, 35th Tactical Group, Jul-Dec 1964:

Page 2, Narrative: This area was hastily built using equipment and personnel on loan from the US Army Logistical Command (B). Construction of base facilities continued throughout the period.

[NOTE: No mention of any vegetation control or herbicide use in this history.]

35th Tactical Group, 1 January through 30 June 1965 (AFHRA Call Number K-GP-35-HI, Jan-Jun 1965, IRIS Number 435562):

Page 1, Mission: To assist the RTAF in the training of personnel of the Royal Thai Air Force. To support USAF units and detachments located in Thailand, which are assigned or attached to the 2nd Air Division. To exercise operational control or command, as directed by competent authority, over those USAF units and detachments located in Thailand in support of the 2nd Air Division.

Page 2, Organization: The 6234th Air Base Squadron was designated and organized at Korat Air Base, Thailand, on 25 March 1965, with assignment to the 35th Tactical Group, was discontinued at Korat Air Base, Thailand, effective 25 March 1965.

Headquarters, 6234th Combat Support Group was designated and organized at Korat Air Base, Thailand, on 8 May 1965, with assignment to the Thirteenth Air Force and attachment to the 2nd Air Division.

Also designated and organized at Korat under the 6234th Combat Support Group on 8 May 1965 were the 6234th Support Squadron and the 6234th Materiel Squadron. The 6234th Air Base Squadron at Korat was discontinued on 8 May 1965.

Historical Data Record, 6234th Combat Support Group, 8 May-30 Jun 1965:

Page 2, Narrative: The major activity of the group for this reporting period is the base construction program which is mainly in the way of permanent facilities with long range plans in mind. Officer and Airmen quarters are planned as permanent facilities. In addition to working and living facilities there are also plans for recreational facilities.

[NOTE: As can be seen from the above, perimeter issues are not a priority and there is no hint that herbicides are even on the minds of those at Korat at this time.]

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End of Tour Report, Lieutenant Colonel Ira H. Shick, for 18 September 1964 through 1 May 1965 at Korat Air Base, Detachment 1, 35th Tactical Group:

Page 1, Resume of Activities: Det 1, 35th Tac Gp until the first week of August [1964] was comprised of a housekeeping force of 1 officer and 14 airmen on PCS assignments. These people lived in a USAF cantonment area consisting of approximately 35 quarters building and a one wing dining hall. This group subsisted with the US Army at Camp Friendship, one mile south of the USAF area.

On 5 August 1964 personnel and equipment started arriving for support of a tactical fighter squadron to be deployed to Korat. 300 personnel were quartered in the USAF area and 200 at Camp Friendship, US Army. Approximately four days after arrival construction of more quarters, an addition to the dining hall, latrine and shower facilities were started. This construction was accomplished by the US Army.

Page 2: At the end of October 64 the base facilities were well established and all further construction was accomplished by USAF personnel. Construction from this time on consisted improving facilities and roads, refining structures for added comfort and livability, adding security fences, relocation of facilities to permanent locations and adding items needed for mission support. Late in February 1965 the tactical fighter strength was increased from one to two squadrons.

At this time an emergency construction program for quarters was undertaken, additional direct mission support equipment was requisitioned and received. The accelerated buildup program was completed in approximately three weeks after which work on projects for continued base improvement and preparation for permanent occupancy was resumed. At this time a TAC ROTE squadron from CONUS began to arrive to replace one of the PACAF squadrons. The TAC squadron increased the base population further and another crash building program was started. At one peak period there were over 800 personnel on base due to overlap of TAC ROTE personnel and PACAF personnel.

Favorable Conditions: Several factors which were of immense value in establishing the base were the facilities of US Army 9th Logistical Command (B), material available in the city of Korat and the cooperative attitude of the local Thai officials, military and civil. It was very fortunate that a US Army command was located in the very near vicinity. Most of their initial building effort, lumber, labor, tools, heavy equipment, potable water, rations and many other items were furnished which speeded operations far beyond what would have been possible had it not been for this source.

Page 4, Recommendations: Equipment: The major problem in equipment was in the area of heavy equipment such as Civil Engineer Construction type and Munitions handling types. Because of the need for constructing a base from practically a bare strip, the one D-6 Bulldozer, one road grader, one 5-8 ton roller and one tractor with back hoe and blade

13 attachments were inadequate. No insect control fumigation equipment of any kind was available.

Page 5, Security: A Thai-JUSMAG policy of 1950 prohibited the carrying of firearms in Thailand. Consequently security personnel could not be armed.

Airfield Maintenance: Airfield maintenance was the responsibility of the local Thai base. They, however, had extremely limited equipment and capability for maintaining the airfield. Also, for their operation, training, they were satisfied with the status of the field. USAF equipment and personnel were not on hand to assume the responsibility for airfield maintenance except to a limited degree.

Late in February a decision was made by PACAF that USAF units using Thai bases would take over airfield maintenance functions. Steps were then taken to obtain equipment and personnel.

Page 6, Construction: The absence of any definite knowledge as to size, mission and organization programmed for the base made it difficult to plan for facilities and location of facilities.

No master plan was formulated nor could be formulated because of lack of information. Other US agencies had designs on the use of space at the airfield further complicating master planning since none knew of the other’s plans or needs. Land rights was another problem as all land was owned by the Thai government; no area had been set aside for use by the USAF. The local Thai Commander would not approve or disapprove land use as he had no master plan knowledge for the area referring all site approvals to his government.

[NOTE: As can be seen from the above, perimeter fence issues and vegetation control was the last thing on the minds of those first USAF personnel at Korat. There is no evidence that any herbicides were used at this time at Korat.]

[NOTE: The period of July 1965 through December 1966 is considered to be a “Dark Age” concerning the documentary evidence of the activities at that base. The 6234th Combat Support Group, which took over the housekeeping duties at Korat during this time, failed to submit any unit histories to the Air Force Historical Research Agency. In addition, its immediate higher headquarters, the 6234th Tactical Fighter Wing, also located at Korat, did not document its activities either. Not until the activation of the 388th Tactical Fighter Wing at Korat (and the subsequent submittal of their official unit history), replacing the 6234th, is any of the activities at Korat are now known. However, by reviewing the 388th unit histories, and other Thailand based unit’s histories for the same time frame (below), it does not appear that the diplomatic situation had improved to allow security measures such as vegetation control via the use of herbicides had improved during the period of July 1965 through December 1966. Therefore, it is assumed that no herbicides were used at Korat during that period.]

14

388th Tactical Fighter Wing, January through March 1967 history (AFHRA Call Number K-WG-388-HI, Jan-Mar 1967, IRIS Number 457263):

Historical Data Record for the 388th Security Police Squadron, Jan-Mar 1967, Page 2, Major Problem Areas:

The flight line area, POL area, and Ammo Storage area are not fenced or properly lighted.

[NOTE: No mention in the 388th Civil Engineering Squadron history of any use of herbicide use on Korat. Please note there were no fences to spray.]

388th Tactical Fighter Wing, April through December 1967, Volume 2 (AFHRA Call Number K-WG-388-HI, Apr-Dec 1967, V. 2, IRIS Number 457266):

Document 15, Historical Data Record of the 388th Civil Engineering Squadron, Apr-Dec 1967:

[NOTE: No mention is made of constructing any perimeter fencing, nor the use of any herbicides around the base’s perimeter.]

Document 16, Historical Data Record of the 388th Security Police Squadron, Apr- Dec 1967:

Preparation for sentry dogs at Korat RTAFB has proceeded at a rapid pace. Kennel facilities are programmed and sentry dog supplies and equipment were placed on order. Projected date of arrival of initial shipment is 1 September 1967.

[NOTE: No mention is made concerning the perimeter fence, and as can be seen above, dog handlers were not expected to arrive at Korat until September 1967.]

388th Tactical Fighter Wing, January through March 1968 history (AFHRA Call Number K-WG-388-HI, Jan-Mar 1968, IRIS Number 457267):

Page 72: January [1968] also marked the completion of the $1.9 million munitions storage area construction effort. In use since September 1965, the munitions area was completed with the addition of revetted hardstand, an inert spares storage location, electric power lines, roads and vehicle parking lots, and fencing and security guard towers.

[NOTE: No mention is made of any perimeter fence construction or maintenance, nor is there any discussion concerning the use of herbicides.]

388th Tactical Fighter Wing, April through June 1968 history, Volume 1 (AFHRA Call Number K-WG-388-HI, Apr-Jun 1968, V. 1, IRIS Number 457268):

15

Page 77, Facilities, Construction: With almost all major facilities necessary to support the missions of the wing and the 553rd Reconnaissance Wing, and the attached units at Korat RTAFB, completed, emphasis shifted to construction of troop service/comfort facilities during the reporting period.

[NOTE: No mention is made of any perimeter fence construction or maintenance, nor is there any discussion concerning the use of herbicides.]

Page 82, Security: Base Security: Approximately 131 U.S. security guards and 300 Thai nationals were engaged in the protection of weapons systems and supporting resources this reporting period. This force was further augmented following the late June arrival of 12 sentry dog teams—first ever to be assigned here—which is expected to attain full authorized strength of 60 teams in September.

[NOTE: the above reveals the viewpoint of the base security leadership— physical barriers, more troops, and dogs. No mention is made of perimeter fence issues or vegetation control.]

388th Tactical Fighter Wing, April through June 1968 history, Volume 2 (AFHRA Call Number K-WG-388-HI, Apr-Jun 1968, V. 2, IRIS Number 457269):

Document 15, Historical Data Record, 388th Civil Engineering Squadron, Apr-Jun 1968:

Page 2: The following projects have been completed since the last report:

Project KRT 94-7, Boundary Fence, 7,850 LF at a cost of $23,500.

[NOTE: Besides the remark that a boundary fence for some building or section of the base was completed, there is no hint of perimeter fence issues or vegetation control found in this history.]

Document 16, Historical Data Record, 388th Security Police Squadron, Apr-Jun 1968:

[NOTE: No mention of any perimeter fence security issues or vegetation control in this history. Emphasis is on physical barriers, manpower, sentry dogs and the destruction wrought by a storm.]

388th Tactical Fighter Wing, July through September 1968 history, Volume 1 (AFHRA Call Number K-WG-388-HI, Jul-Sep 1968, V. 1, IRIS Number 457270):

Page 73, Facilities, Actions Taken or Proposed to Eliminate Deficiencies: Budgeting in the first revision to the FY 1969 plan, dated 15 September, included (round-figure) listings of $181,000 for maintenance; $227,000 for repairs;

16

$297,400 for new minor construction; $90,000 for service contracts; $24,000 for vegetation control and soil erosion prevention projects;…

Page 80, [report to 7/13th Air Force to improve security facilities]:

[NOTE: In response to the 27 July attack on Udorn, Korat leadership reviewed their base defense plans and reported their findings to Headquarters, Seventh/Thirteenth Air Force 5 August 1968.]

The report listed two critical items needing command assistance: vegetation control, although the U.S. Army was giving some assistance and (2) need for more security policemen and Thai guards.

388th Tactical Fighter Wing, July through September 1968 history, Volume 2 (AFHRA Call Number K-WG-388-HI, Jul-Sep 1968, V. 2, IRIS Number 457271):

Supporting Document 61, Message, 388 Combat Support Group to 7/13AF/DSP, Subject: Base Security Council, 16 September 1968:

[NOTE: Only vegetation control issues are transcribed, below. The rest of the message dwells on physical construction and policies with the local Thai officials regarding guards.]

2. Critical Action Items Requiring Command Assistance: a. Vegetation control needs immediate attention. US Army is giving some assistance in this area.

[NOTE: No further discussion concerning vegetation control is found in the supporting documents. All perimeter security issues were viewed with an eye towards stiffening defenses such as fencing, roads, bunkers, lights, guard towers, increased patrols and more personnel.]

Appendix VI, Historical Data Record, 388th Civil Engineering Squadron, Jul-Sep 1969:

[NOTE: No mention of vegetation control is made in this history.]

Appendix VI, Historical Data Record, 388th Security Police Squadron, Jul-Sep 1969:

[NOTE: No mention of vegetation control around the perimeter fence is made in this history.]

[NOTE: Udorn RTAFB was attacked on 26 July 1968, which prompted the below message to be sent to all USAF bases in Thailand:]

56th Special Operations Wing, July through September 1968, Volume 3 (AFHRA Call Number K-WG-56-HI, Jul-Sep 1968, V. 3, IRIS Number 451125):

17

Supporting Document 67, Message, Deptuy Commander, 7/13 AF, Udorn Afld, Thailand to 8TFW, Ubon; 355TFW, Takhli; 388TFW Korat; 432TRW Udorn; 56ACW, NKP; 6310CSG, Don Muang; 6350CSG, U-Tapao; MACTHAI; 7AF, TSN; 13AF, Clark; HQ PACAF; AMEBM Bangkok, Thailand; American Counsl, Udorn, Subject: Lessons Learned From The Attack on Udorn, 26 Jul 68:

Paragraph 2: Lessons Learned. Following is a discussion of lessons learned. Conclusions are very preliminary and are forwarded without further documentation for the benefit of commanders in Thailand. a. Thai guards performed well as members of joint UJSAF/Thai Teams. It is probably well to maintain the feeling of joint responsibility. b. Lack of perimeter lighting, watch towers, inadequate fencing, weeds, and close perimeter afforded the enemy increased surprise and east of penetration. Selective construction of more bunkers would have enhanced the defense, although care required to avoid making these available to infiltrators.

[NOTE: The rest of the message deals with the need for flare ships, fire discipline, Thai guard and forces support and radio coordination. The final paragraph states:]

Paragraph 3: Commanders will take the following steps:

A. Immediately assess availability of Thai forces to support defense of base. B. Evaluate procedures and communications for coordination of base defense during emergency and make adjustments as possible C. Review training status of USAF and Thai Guards, and initiate retraining on a scheduled basis. D. Take steps to develop a standby flare ship capability at Udorn, Ubon, NKP, and Korat. E. Review base defense plan with an eye to covering critical areas which are adjacent to the perimeter.

[NOTE: In essence, the Deputy Commander of 7/13th Air Force was ordering the base commanders in Thailand the above steps. As can be seen, vegetation or ‘weed’ control would fall under subparagraph E, above, and was the last item mentioned and the least forceful of the ordered steps to take.]

388th Tactical Reconnaissance Wing, October through December 1968, Volume 1 (AFHRA Call Number K-WG-388-HI, Oct-Dec 1968, V. 1, IRIS Number 457272):

[NOTE: No mention is made of any perimeter fence construction or maintenance, nor is there any discussion concerning the use of herbicides.]

388th Tactical Reconnaissance Wing, October through December 1968, Volume 1 (AFHRA Call Number K-WG-388-HI, Oct-Dec 1968, V. 2, IRIS Number 457273):

18

Supporting Document 27, Security Police Status Report for October-December 1968:

[NOTE: Fencing, lighting, towers and bunkers are noted for the base perimeter, but no mention of any vegetation control. However, on a table of Work Order Status, there appears the following notation:

Date Submitted: 20 Jan 68 Subject Matter: Letter, Soil Sterilization Follow-Up Date: 25 Dec 68 Remarks: Under Study by CES (civil engineering squadron)

Unfortunately, the letter itself was not included in the history so it is unknown what the ‘soil sterilization’ (which probably means the use of herbicides) was in regards to the perimeter fence. Whatever it was, the subject was only studied and no action appears to have been taken at this time.]

Appendix VI, Number 14, History of the 388th Civil Engineering Squadron, Oct- Dec 1968:

[NOTE: No mention is made of any perimeter fence construction or maintenance, nor is there any discussion concerning the use of herbicides.]

Appendix VI, Number 15, History of the 388th Security Police Squadron, Oct-Dec 1968:

Page 3, Security Police Operations: Base communication is in the process of running land lines to all perimeter posts. The completion date of this project has not been established. A Security Facility Package Program, consisting of the construction of an all weather perimeter road, perimeter lighting, additional towers, and fencing was approved for Korat RTAFB and the plans have been forwarded for final approval.

[NOTE: No mention is made of the use of herbicides or vegetation control.]

388th Tactical Reconnaissance Wing, January through March 1969, Volume 1 (AFHRA Call Number K-WG-388-HI, Jan-Mar 1969, V. 1, IRIS Number 457274):

[NOTE: No mention is made of the use of herbicides or vegetation control.]

388th Tactical Reconnaissance Wing, January through March 1969, Volume 2 (AFHRA Call Number K-WG-388-HI, Jan-Mar 1969, V. 2, IRIS Number 457275):

Supporting Document 67, Table, New Construction Projects, January through March 1969: Construct Security Fence: Estimated Cost: $6,902 Project Number: KRT 107-8 (O&M) Date Begun: 21 November 1968

19

Completion Date: 22 January 1969

[NOTE: It is not noted where on base this security fence was erected.]

Supporting Document 70, Security Police Status Reports, Status of Security Facilities and Physical Protection Aids (MCP): Get Well Section I, Fencing: Required In-Place Deficit Date A. Base Perimeter: 1. Double Apron 39,300 LF None 39,300 LF Sep 69 2. Triple Row Concertina 39,300 LF 3,181.6 LF 36,118.4 LF Sep 69 3. Other – Chain Link None 13,940 LF None N/A

Section II, Lighting: A. Base Perimeter (# of lights) 154 None 154 Aug 69

Section III, Observation Towers A. Base Perimeter: 7 4 3 Aug 69

Section IV, Bunkers: A. Base Perimeter 50 25 25 1 May 69

Section V, Gun Emplacements: A. Base Perimeter 12 12 none N/A

Section VII, Facilities: Fencing, lighting, comm & towers programmed for FY 1970. 3 towers in place, 8 towers programmed for base perimeter.

Supporting Document 71, Message from Major Thomas J. Murphy, Jr., Base Chief Security Police, 388CSG, Korat RTAFB, Thai to 7/13AF, Udorn RTAFB, Thai, 10 Jan 69, 0120Z, Subj: Base Security Council.

[NOTE: This message outlines to higher headquarters the enhancing of the security of Korat RTAFB. emplacements, perimeter road, concertina wire and bunkers are all discussed, but vegetation control is not mentioned.]

Supporting Document 74, Minutes of the Resources Protection Committee Meeting, of 28 February 1969, dated 21 March 1969, under Old Business, states:

The vegetation control program is maintaining control of growth on the perimeter. An increased workload is anticipated with the expected seasonal rains.

[NOTE: Unfortunately, this is the first time in the 388th TFW’s historical program that the Minutes of the Resources Protection Committee Meetings was obtained. Evidently, due to the wording of the vegetation control program, there had been one for a while at Korat. However, again due to the wording, there is some worry that their efforts will have to be amplified in response to the expected increase in rain, due to the on-coming monsoon season. Since herbicides are thwarted by rainfall, and vegetation increases its growth during the monsoon season, the

20 wording of this suggests that more work would have to be done due to the quick growing of the vegetation. This leads one to believe that the increased workload would be from having to mow or cut the vegetation more often. Using herbicides as a means to retard growth during a monsoon season would be fruitless, as it would be quickly diluted and washed away and therefore become ineffective.]

Appendix VI, Historical Data Record, 388th Civil Engineering Squadron, Jan-Mar 1969:

[NOTE: No mention is made of the use of herbicides or vegetation control.]

Appendix VI, Historical Data Record, 388th Security Police Squadron, Jan-Mar 1969:

Page 2, Security Police Operations: Approximately 1 mile of jungle and high vegetation has been cleared around the perimeter.

[NOTE: Unfortunately it is not stated how this was done; however, due to the wording found elsewhere in the history, and the terminology ‘cleared,’ it appears that cutting and mowing were the primary ways to remove vegetation.]

Thirteenth Air Force, 1 July 1968 through 30 June 1969, Volume 1 (AFHRA Call Number K750.01, FY 1969 (1 Jul 68-30 Jun 69), Vol 1, IRIS Number 899069):

[NOTE: After the attack on Udorn in July 1968, efforts were made to improve base defense in Thailand. The below entry concerns Thailand as a whole as of 28 April 1969:]

Page I-244, Base Defense: Other improvements in the defense posture were authorization for 303 sentry dogs, steps toward a complete conversion of the commercial vehicle fleet to M- Series vehicles; conversion from a single-channel non-tactical network to a dual- channel system; improved weapons inventory including arming all Thai guards with M-16 rifles. Other beneficial steps were constructing physical security aids such as bunkers, gun emplacements, erecting 368,531 linear feet of fixed fortification fencing, and defoliation of perimeter areas.

Thirteenth Air Force, 1 July 1968 through 30 June 1969, Volume 4 (AFHRA Call Number K750.01, FY 1969 (1 Jul 68-30 Jun 69), Vol 4, IRIS Number 899072):

Supporting Document 184, Message, HQ 13AF to CINCPACAF/Commander, 281130Z April 1969, Subject: Base Defense/Security – Thailand:

Page 4 of 5, paragraph 6 d: Defoliation is underway and in various stages of completion.

[NOTE: As can be seen, with only one sentence out of five pages of this message, vegetation control did not merit much discussion. To clear the areas

21 near the perimeter fences quickly to afford a defensive advantage, the foliage would have to be removed quickly. Herbicides do not do this as the debris is still required to be removed. Initial vegetation control was most likely conducted by mowing, cutting, burning, bull-dozing or use of other heavy equipment like road graders.]

388th Tactical Reconnaissance Wing, April through June 1969, Volume 1 (AFHRA Call Number K-WG-338-HI, Apr-Jun 1969, V. 1, IRIS Number 457276):

Page 96, Actions Taken or Proposed to Eliminate Deficiencies: Procurement office contract actions were taken on…Vegetation Control ($39,000) (Figures were rounded to lower thousand.)

[NOTE: This contract was awarded to the S&P Pacific Ltd., based in Bangkok. For more details, see Volume 3, below.]

Page 107, Security: Security facilities and physical aids status reporting indicated two shortages of basic items – deterrent wire and of lighting – which were undergoing corrective action. There were no deficiencies in other requirements – for gun emplacements, bunkers, observation towers and restricted area fencing.

[NOTE: No mention of vegetation control.]

388th Tactical Reconnaissance Wing, April through June 1969, Volume 2 (AFHRA Call Number K-WG-388-HI, Apr-Jun 1969, V. 2, IRIS Number 457277):

Supporting Document 88, Security Police Status Reports, Status of Security Facilities and Physical Protection Aids (MCP): Get Well Section I, Fencing: Required In-Place Deficit Date A. Base Perimeter: 1. Double Apron 39,300 LF None 39,300 LF Sep 69 2. Triple Row Concertina 39,300 LF 3,181.6 LF 36,118.4 LF Sep 69 3. Other – Chain Link None 13,940 LF None N/A

Section II, Lighting: A. Base Perimeter (# of lights) 154 None 154 Aug 69

Section III, Observation Towers A. Base Perimeter: 8 8 None N/A

Section IV, Bunkers: A. Base Perimeter 50 57 None N/A (17 Day Posts, 33 Night Posts)

Section V, Gun Emplacements: A. Base Perimeter 12 14 None N/A (Machine Gun Bunkers)

22

Section VII, Facilities: Fencing, lighting, comm & towers programmed for FY 1970. 3 towers in place, 8 towers programmed for base perimeter.

[NOTE: No mention of vegetation control.]

388th Tactical Reconnaissance Wing, April through June 1969, Volume 3 (AFHRA Call Number K-WG-338-HI, Apr-Jun 1969, V. 3, IRIS Number 457278):

Appendix VI, Document 15, Historical Data Report, 388th Civil Engineering Squadron, Apr-Jun 1969:

[NOTE: No mention is made of the use of herbicides or vegetation control.]

Appendix VI, Document 16, Historical Data Report, 388th Security Police Squadron, Apr-Jun 1969:

Page 2, Security Police Operations: Approximately one (1) mile of jungle has been cleared around the base perimeter.

[NOTE: Due to the use of the word ‘cleared’ instead of ‘sprayed,’ ‘poisoned’ or ‘sterilized,’ it is believed that the vegetation was cut in an expeditious manner to quickly clear the area.]

Appendix VI, Document 24, Historical Data Report, 388th Combat Support Group/BPR, Base Procurement Office, Apr-Jun 1969:

Attachment 2, Construction & Services Contracts Awarded During the 2nd Quarter:

Name of Contractor: S&P Pacific Ltd. Address: 120/24 Rajparop Road, Bangkok, Thailand Issuing Agency: Korat Base, Procurement Office, 13AF, APO 96288 Date of Contract: 14 June 1969 Duration of Contract: 1 July 1969-30 June 1970 Nature of Work: Vegetation Control (Estimated) Baht Amount: B 808,920.00 Dollar Amount: $39,040.00

[NOTE: This is the first time the Base Procurement Office makes mention of any contracts awarded for vegetation control. Unfortunately, it is not stated where the vegetation control was supposed to occur, normal roads and grounds within the base, or at the perimeter fence. With the comments by the Security Police historical report, it appears that perhaps S&P worked quickly, clearing a mile of jungle away from the perimeter fence (note that S&P had the contract for one year). However, the very next quarterly report states that the U.S. Army was clearing vegetation growth immediately outside the base perimeter, so it may

23 have been the U.S. Army that cleared a mile of jungle growth and that S&P worked inside the base.]

[NOTE: Also, in late June, the Thirteenth Air Force Security Defense Survey Team arrived on base and reviewed the base defense and issued the following report, which also emphasized vegetation control:]

388th Tactical Fighter Wing, July through September 1969, Volume 1, history (AFHRA Call Number K-WG-388-HI, Jul-Sep 1969, V. 1, IRIS Number 457279):

Page 162, Facilities For Base Security: The base perimeter was fenced by triple wire concertina and chain link. However, new fencing for the base perimeter was projected in the forthcoming authorized security package. The type of fencing would be double-apron and additional triple wire concertina. The estimated date of completion was January 1970. In addition, U.S. Army forces were clearing vegetation growth immediately outside the base perimeter. The completion of this project, together with fortification with trip flares, was expected to enhance perimeter defense greatly.

Page 167, Improvements in Base Security: The completion of the all-weather perimeter road previously mentioned, coupled with clearing of dense vegetation and the permanent erection of perimeter fencing supported by lighting, was expected to be the greatest contributing factor to the overall improvement of base security at Korat.

[NOTE: Since the U.S. Army was conducting vegetation control at Korat, the USAF unit history does not go into details as to how it was done. However, in the previous history of the April through June 1969 period, it was noted that a mile of jungle vegetation had been removed from the perimeter fence area and that S&P Pacific Ltd. had been awarded a contract to clear vegetation. The use of the word ‘cleared’ implies cutting and mowing, as herbicides does not clear an area of vegetation, but instead, kills it, leaving the dead refuse in place.]

Appendix IV, Document 8, Historical Data Record of the 388th Civil Engineering Squadron, July-September 1969:

[NOTE: No mention of herbicides or vegetation control in this unit history.]

Appendix IV, Document 10, Historical Data Record of the 388th Security Police Squadron, July-September 1969:

[NOTE: No mention of herbicides or vegetation control in this unit history.]

432nd Tactical Reconnaissance Wing, July through September 1969, Volume 2 (AFHRA Call Number K-WG-432-HI, Jul-Sep 1969, V. 2, IRIS Number 457857):

Supporting Document 88, Thirteenth Air Force Security Defense Survey, signed by Colonel T.L. Simpson, dated 19 September 1969, to 8, 56, 355, 388, 432, and 635 Combat Support Groups:

24

Page 1, paragraph 1: A defense survey was conducted at Ubon RTAFB, NKP TRAFB, Udorn RTAFB, Takhli RTAFB, U-Tapao RTNB, and Korat RTAFB, Thailand during the period 23-30 June 1969. Survey team members were Major D.E. Clemente, Civil Engineering Officer, AFRCE Thai, and Captain F. Capone, Security Police Officer, 13AF (IGS). The purpose of the survey was to reassess the 1968 security package, identify additional requirements for perimeter defense security facilities, and to assess the impact of Red Horse withdrawal on security construction programs.

Page 2, General comments on base defense security facilities, paragraph d: A continuing vegetation control program is required for cleared areas under and between perimeter security fences. The area between the fences is intended to be used as a no-man’s land with additional detection and deterrent devices such as trip flares, TSSE, tangle-foot, etc. being employed within. In view of the above, a mowing operation for vegetation control will be impossible. As a result, a conscientiously controlled program of vegetation control through the use of herbicides must be applied. Application of herbicides must be directed toward retarding growth to provide a cleared area, but under no circumstances should the type or quantity applied result in destruction of root structure so as to create a serious erosion problem. Additionally, remaining growth should be of sufficient height so as to provide camouflage for detection and deterrent devices planted in the cleared area.

[NOTE: according to the above, it appears that cutting and mowing was the normal method of vegetation control at Thailand bases, but, the above is a generic message to all Thailand bases and does not address Korat in particular. The other information in the Korat histories support the cutting and mowing concept of vegetation control at Korat and the defense survey noted above was trying to encourage the use of herbicides. This would mean that herbicides were not being used at Korat at this time.]

388th Tactical Fighter Wing, July through September 1969, Volume 3, history (AFHRA Call Number K-WG-388-HI, Jul-Sep 1969, V. 3, IRIS Number 457281):

Supporting Document 292, Security and Law Enforcement Activities Report, Status of Security Facilities and Physical Protection Aids (MCP): Get Well Section I, Fencing: Required In-Place Deficit Date A. Base Perimeter: 1. Double Apron 39,300 LF None 39,300 LF Jan 1970 2. Triple Row Concertina 39,300 LF 3,181.6 LF 36,118.4 LF Jan 1970 3. Other – Chain Link None 13,940 LF None N/A

Section II, Lighting: A. Base Perimeter (# of lights) 154 None 154 Jan 1970

Section III, Observation Towers A. Base Perimeter: 8 8 None N/A

25

Section IV, Bunkers: A. Base Perimeter 57 57 None N/A (17 Day Posts, 33 Night Posts)

Section V, Gun Emplacements: A. Base Perimeter 14 14 None N/A (Machine Gun Bunkers)

Section VII, Roads: 19,000 LM 10,100 LM 8,900 LM Jan 1970 Remarks: Project under construction to improve 10,100 linear meters of existing dirt road and construct 8,900 linear meters of new roadway.

[NOTE: No vegetation control is mentioned.]

388th Tactical Fighter Wing, October through December 1969, Volume 1, history (AFHRA Call Number K-WG-388-HI, Oct-Dec 1969, V. 1, IRIS Number 457282):

Page 138, Facilities for Base Security: Facilities for base security continued to improve during this quarter. Approximately 15,627 linear feet of double apron fencing were installed on the perimeter, leaving a deficit of 23,673 linear feet. About 22,070 linear feet of triple row concertina wire were added to the perimeter fencing, making a total of 25,252 linear feet installed and leaving a deficit of 14,048 linear footage. The estimated date of eliminating the deficit for both the double apron and triple row concertina wire fencing was 28 February 1970. In addition, 13,940 linear feet of chain link fence were in place on the perimeter. Also, a road surface providing an all-weather capability was undergoing construction. By 31 December 1969, 14,900 linear meters of the road had been completed, and the estimated date of completion for 4,100 additional linear meters required was 28 February 1970. In addition, a project to improve 10,100 linear meters of existing dirt road and to construct 8,900 linear meters of new roadway for feeder roads to the perimeter road was due for completion by 28 February 1970. The security police also completely refortified and re-strengthened their existing 14 machine gun emplacements, 16 drive-in bunkers and personnel defensive position bunkers on the base perimeter, secondary defense positions, the munitions operating area, and the munitions storage area. A total of 36 observation towers were in use around the base perimeter, munitions operating area, and munitions storage area. In addition, seven new perimeter towers were undergoing construction to replace those that had deteriorated. Through a self-help program, the security policemen “hardened” all their ammunition storage Conexes in the immediate area of central security control. The lack of perimeter lighting and lighting around several restricted areas continued to be a problem during this quarter. However, this portion of the security package had been turned over to the Regional office in charge of construction for redesign and contract award. The estimated date of completion was 28 February 1970.

Page 142, Improvements in Base Security: The security policemen placed three XM-706 armored personnel carriers into use during the quarter. These vehicles increased the mobility of the security alert

26 and quick reaction teams by enabling them to move over terrain that could not be traversed in commercial-type vehicles.

On 1 December 1969, the base defense plan was published. This plan improved base security by eliminating unnecessary and ineffective foot patrol posts on the base perimeter, and it realigned emergency posting for more mobility and random posting as the situation dictated.

The all-weather road scheduled for completion by 28 February 1970 was expected to improve base security considerably. The use of this road by security alert and quick reaction teams would greatly reduce their time of response to any incident that might occur on the perimeter. The road would also eliminate the possibility of the team vehicle becoming struck when responding, and it would reduce the wear and tear on the vehicles.

The chief of the Wing’s security police postulated that, with the completion of projects under construction and the installation of lighting around the base perimeter and restricted areas, Korat’s base security would be the best in Thailand.

[NOTE: Although a number of improvements are being made at this time, it is evident that the base still is not completely contained within a perimeter fence (many places still do not have any fence) and there is no mention of any attempted vegetation control by the USAF.]

Appendix IV, Unit Data Section:

Document 7, Historical Data Report, 388th Civil Engineering Squadron, Oct-Dec 1969:

[NOTE: No mention of herbicide use or vegetation control is found in this report.]

Document 9, Historical Data Report, 388th Security Police Squadron, Oct-Dec 1969:

[NOTE: No mention of herbicide use or vegetation control is found in this report.]

388th Tactical Fighter Wing, October through December 1969, Volume 3, history (AFHRA Call Number K-WG-388-HI, Oct-Dec 1969, V. 3, IRIS Number 457284):

Supporting Document 288, Security and Law Enforcement Activities Report, Status of Security Facilities and Physical Protection Aids (MCP): Get Well Section I, Fencing: Required In-Place Deficit Date A. Base Perimeter: 1. Double Apron 39,300 LF 15,627 LF 23,673 LF Feb 1970 2. Triple Row Concertina 39,300 LF 25,252 LF 14,048 LF Feb 1970 3. Other – Chain Link None 13,940 LF None N/A

Section II, Lighting:

27

A. Base Perimeter (# of lights) 154 None 154 28 Feb 70

Section III, Observation Towers A. Base Perimeter: 8 8 None N/A

Section IV, Bunkers: A. Base Perimeter 57 57 None N/A (17 Day Posts, 33 Night Posts)

Section V, Gun Emplacements: A. Base Perimeter 14 14 None N/A (Machine Gun Bunkers)

Section VII, Roads: 19,000 LM 14,900 LM 4,100 LM Feb 1970 Remarks: Project under construction to improve 10,100 linear meters of existing dirt road and construct 8,900 linear meters of new roadway is due for completion in Feb 1970.

[NOTE: As can be seen from the above, vegetation control at the perimeter fence is not considered to be a significant issue by the Korat base authorities. This is probably due to the work that was being conducted by either the S&P Pacific Ltd. contractor or the U.S. Army, or a combination of both. There does not appear to be any proof that herbicides were used at Korat up to this time, despite the directions sent by Thirteenth Air Force in its Security Defense Survey on 19 September 1969. Evidently implementing this direction took time, and by the end of 1969 it had not yet occurred.]

388th Tactical Fighter Wing, January through March 1970, Volume 1, history (AFHRA Call Number K-WG-388-HI, Jan-Mar 1970, V. 1, IRIS Number 457285):

Pages 159-160, Facilities, Actions Taken or Proposed to Eliminate Deficiencies: In another area, the multi-faceted project to increase the perimeter security of the Korat continued this quarter. As reported in the history for the preceding period, the project provided for the construction of perimeter roads, fencing, lighting, guard towers, and for security fences around the POL bladder farm and liquid oxygen (LOX) plant. The internal security fences at the bladder farm and LOX plant were completed this quarter at a cost of $7,250. Also, seven guard towers, constructed at a cost of $18,536, were turned over to the Civil Engineer.

Page 177, Facilities for Base Security: The Wing’s facilities for base security, required by PACAF Manual 207-25, continued to improve during this quarter. In one action, 19,473 linear feet of double apron fencing were installed on the perimeter, leaving a deficit of only 4,200 linear feet of the required 39,300 footage. The estimated date for correcting this deficit was April, 1970. Also, 14,048 linear feet of triple concertina wire were added to the perimeter fencing, completing the 39,300 footage required. In addition, the base had 13,940 linear feet of chain link fence in place on the perimeter. This quarter also brought the completion of 62,255 linear feet of new and improved all-weather feeder and perimeter roadway. The security policemen continued to refortify and re-strengthen their existing 14 machine gun

28 bunkers, six drive-in bunkers and personal bunkers situated on the base perimeter, in secondary defense positions, and in the munitions storage area. A total of 28 observation towers were in place in the munitions operations area and munitions storage area, while 15 such towers were in place on the base perimeter. Seven of these were built and put into use this quarter. The lack of perimeter lighting and also that around several restricted areas continued to be a problem. However, work on installing these lights was progressing and the estimated completion date was July, 1970.

[NOTE: Although a number of improvements are being made at this time, it is evident that the base still is not completely contained within a perimeter fence (the perimeter is now completely enclosed with concertina wire, however) and there is no mention of any attempted vegetation control.]

Page 182, Improvements in Base Security: In February, as indicated previously, 62,255 linear feet of all-weather roadway were completed around the base perimeter and feeder roads to the base perimeter. Use of this road by security alert and quick reaction teams greatly reduced their response time to any incident on the base perimeter. By using this road, the security police lessened the possibility of the teams’ vehicle being struck when responding to an emergency and also reduced the normal wear and tear on vehicles.

Construction began in March to install 154 lights around the perimeter. The installation of these lights would be a great asset to preventive security forces in permitting them to observe approaches to the perimeter fence.

Page 183: The completion of 39,300 linear feet of triple row concertina wire and 31,200 linear feet of double apron fencing greatly reduced the possibility of unauthorized persons infiltrating the base through the perimeter.

In final summary, the security police chief of the 388th Combat Support Group felt that completion of the projects underway this quarter would give Korat the best base security in Thailand.

[NOTE: No mention of herbicide use or vegetation control.]

Appendix IV, Unit Data Section:

Document 7, Historical Data Report, 388th Civil Engineering Squadron, Jan-Mar 1970:

[NOTE: No mention of herbicide use or vegetation control.]

Document 9, Historical Data Report, 388th Security Police Squadron, Oct-Dec 1969:

[NOTE: No mention of herbicide use or vegetation control is found in this report.]

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388th Tactical Fighter Wing, January through March 1970, Volume 3, history (AFHRA Call Number K-WG-388-HI, Jan-Mar 1970, V. 3, IRIS Number 457287):

Supporting Document 226, Report, Major Edward N. Garcia, Base Chief Security Police to CINCPACAF (IGS) [Commander in Chief, Pacific Air Forces, Inspector General, Security], “Status of Security Facilities and Physical Protection Aids (MCP),” 2 April 1970:

[NOTE: This report is a four page table, “Status of Security Facilities and Physical Protection Aids (MCP) for Korat RTAFB, Thailand, as of 31 March 1970, with the following categories: Fencing, Lighting, Security Police Facilities, Roads, Observation Towers, Bunkers, and Gun Emplacements. Each category has columns for What was Required, What is In Place, What is the Deficit for this category, and a Get Well Date. There is no mention of any herbicide or vegetation control in this report, insinuating that there was no vegetation control program for the base perimeter at this time.]

388th Tactical Fighter Wing, April through June 1970, Volume 1, history (AFHRA Call Number K-WG-388-HI, Apr-Jun 1970, V. 1, IRIS Number 457288):

Page 157, Facilities for Base Security: The 388th Wing’s facilities for base security, required by PACAF Manual 207-25, continued to improve this quarter. The quarter brought the installation of 3,400 linear feet of double apron fencing on the perimeter, leaving a deficit of only 800 linear feet of the required 39,300. The estimated date for eliminating this deficit was 31 July 1970. The base also had 13,940 linear feet of chain link fence on the perimeter. The lack of perimeter lighting and lighting around several restricted areas continued to be a problem. However, work on installing lights was progressing, and the estimated date of completion was 31 July 1970.

Page 158: The U.S. Air Force inspector general had expressed concern over attacks on bases in Thailand during which the enemy used the foliage cover bordering the bases to their advantage. Consequently, vegetation control along the base perimeter continued through the squadron self-help program. The security police also submitted work requests to the civil engineers for help in spraying the entire base perimeter with a combination of diesel oil and wood preservative to retard vegetation growth.

[NOTE: Here it is revealed how vegetation control was hoped to be conducted at Korat—through the security police squadron, probably using mowing techniques and the use of a ‘home-brew’ of diesel oil and wood preservative mixture, sprayed on the foliage. Herbicides are not mentioned, and in this case, not even requested, but instead, help from the 388th Civil Engineering Squadron for manpower to assist in spraying the combination of diesel oil and wood preservative around the perimeter fence. The 388th Civil Engineering Squadron conducted a test of the fuel and preservative, and it was deemed successful, but it was not utilized—see the July through September 1970 history entries, below, for further details.]

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Page 161, Improvements in Base Security: In another real improvement, security-wise, 3,400 linear feet of double apron fencing were installed on the perimeter, leaving a deficit of only 800 feet.

Appendix IV, Unit Data Section:

Document 7, Historical Data Report, 388th Civil Engineering Squadron, Apr-Jun 1970:

[NOTE: No mention of herbicide use or vegetation control.]

Document 9, Historical Data Report, 388th Security Police Squadron, Apr-Jun 1969:

[NOTE: No mention of herbicide use or vegetation control is found in this report.]

388th Tactical Fighter Wing, April through June 1970, Volume 3, history (AFHRA Call Number K-WG-388-HI, Apr-Jun 1970, V. 3, IRIS Number 457290):

Supporting Document 358, Letter, Major Richard Geisler, Director of Security Police, Office of Inspector General, Headquarters Thirteenth Air Force (IGS), to 8 Cmbt Spt Gp (BSP); 56 Cmbt Spt Gp (BSP), 355 Cmbt Spt Gp (BSP), 388 Cmbt Spt Gp (BSP), 432 Cmbt Spt Gp (BSP), 631 Cmbt Spt Gp (BSP), and 635 Cmbt Spt Gp (BSP), “Vegetation Control,” 15 Jun 1970:

Department of the Air Force Headquarters Thirteenth Air Force (PACAF) APO SAN FRANCISCO 96274 15 Jun 1970 REPLY TO ATTN OF: IGS

SUBJECT: Vegetation Control

TO: 8 Cmbt Spt Gp (BSP) 432 Cmbt Spt Gp (BSP) 56 Cmbt Spt Gp (BSP) 631 Cmbt Spt Gp (BSP) 355 Cmbt Spt Gp (BSP) 635 Cmbt Spt Gp (BSP) 388 Cmbt Spt Gp (BSP)

1. The attached correspondence is forwarded for your information and appropriate action.

2. The USAF Inspector General has expressed concern over attacks on bases in Thailand during which the enemy used the foliage cover bordering the bases to their advantage and has directed that emphasis be placed on the clearing and control of vegetation.

3. Although the maintenance and control of vegetation in and around the base is the responsibility of Base Civil Engineers, continuous emphasis must be

31

given this program by the Chief of Security Police. When necessary, viz, to provide clear fields of fire, observation of approaches to resource areas, etc., consideration must be given to self-help programs as the only practical expedient. After all, our security force personnel lives are at stake as well as adversely affecting base defense operations. Therefore, vegetation must be controlled to assure that surveillance of the fence line and surrounding areas is not impeded.

4. This subject will continue to be an item of special interest during staff visits and general inspections.

FOR THE COMMANDER

RICHARD E. GIESLER, Maj, USAF 1 Atch Director of Security Police PACAF (IGSS) (C) Ltr, Office of Inspector General subj as above, 18 May 70, w/2 Atch n/c

Cy to: 7/13AF (BSP)

388th Tactical Fighter Wing, July through September 1970, Volume 1, history (AFHRA Call Number K-WG-388-HI, Jul-Sep 1970, V. 1, IRIS Number 457291):

Page 206, New Facilities Completed: A security package costing $50,000 was completed at Korat in early September under the military construction program, with perimeter lighting and vegetation control requirements being monitored by the officer in charge of construction (OICC).

Page 207, New Facilities Started: Work on a security package add-on under the military construction program began in September. This project, costing $378,000, included perimeter vegetation control, construction of a perimeter road for the munitions storage area, relocation of guard towers, additional drainage, road repairs, and a gate relocation. It was scheduled for completion in May 1971.

Page 225, Facilities for Base Security: The USAF inspector general had expressed concern over attacks on bases in Thailand during which the enemy had used the foliage cover bordering the bases to their advantage. As a result, vegetation control along the base perimeter continued through a self-help program. Civil Engineers’ assistance was solicited in spraying the entire base perimeter with a combination of diesel oil and wood preservative to retard vegetation growth, and higher headquarters was kept informed on the status of this program. IN addition, the security police submitted a request asking for a contract to expand the civil engineers’ responsibility for base mowing requirements. Once approved and added to the current airfield maintenance contract, this would permit workers with the proper equipment to maintain a cleared base perimeter.

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Page 228, Improvements in Base Security: In another upcoming improvement, work was planned to “grub and clear” the base perimeter and munitions storage area, using civilian contractors. The estimated date of completion was 31 October 1970.

[NOTE: To Grub or to be Grubbing, according to Webster’s New International Dictionary of the English Language, Second Edition (1942), defines the word Grub or Grubbing as: “To remove roots, etc., from land; to clear or break up the surface of land by digging; to dig up by the roots; to root out by digging.”]

Page 233, Problems in Security: The security police chief also complained to the civil engineer on 5 October that “the control of vegetation along and on the base perimeter fence line is a matter that also required immediate attention if some degree of security surveillance of the boundary is to be maintained. The brush, vines and high grasses, he added, offered considerable concealment to hostile forces. The security police chief emphasized that an approved work order to correct this situation had been submitted on 25 June 1970 and that the civil engineers had conducted a successful test of contaminated JP4 and wood preservative. However, he wrote, no further action had been taken.

Appendix IV, Unit Data Section:

Document 8, Historical Data Report, 388th Civil Engineering Squadron, Jul-Sep 1970:

[NOTE: No mention of herbicide use or vegetation control.]

Document 10, Historical Data Report, 388th Security Police Squadron, Jul-Sep 1969:

[NOTE: No mention of herbicide use or vegetation control is found in this report.]

388th Tactical Fighter Wing, July through September 1970, Volume 4, history (AFHRA Call Number K-WG-388-HI, Jul-Sep 1970, V. 4, IRIS Number 457294):

Supporting Document 496, Monthly Construction Status Report, as of 10 Oct 1970, for Korat RTAFB, Thailand, Section IV, MCR Accomplished By Contract: 675 SMCP; Security Package (Add-On); CSD: 8 Sep 70; 20% completed; Estimated BOD: 2 May 71:

On Base – The contractor is working on the base roads and parking lots. Clearing and grubbing on base is continuing. New section of base perimeter road being constructed.

MSA – Clearing and grubbing complete. Perimeter road being constructed. Drainage now being repaired.

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Supporting Document 529, Message, 388th Combat Support Group/BSP (Major Edward N. Garcia, Base Chief Security Police), Korat RTAFB, Thailand, to 7/13 Air Force/DSP, Udorn Airfield, Thailand, Subject, “Vegetation Control.” 4 July 1970; Reference, 7/13AF/DSP Message of 3 July 1970:

1. Date of work order subject as stated: 25 June 70. 2. Type of vegetation control requested: Sprayed chemicals or diesel fuel mixed with pentaclorophenel (wood preservation) or decontaminated JP4 or approved soil sterilant over the entire base perimeter was requested. 3. Approval of the work request/contract is pending. 4. Currently, thru the use of borrowed bull-dozers, tractors, and the XM113 (APC), security police personnel are detailed to perform vegetation control projects thru the self help program. 5. All areas of the base perimeter require vegetation control.

Supporting Document 530, Letter, Major Denver E. Crislip Jr., Base Chief Security Police, to 388th DE (Chief Civil Engineer), Subject, “Additional Mowing Requirement,” 30 September 1970:

1. Recommend your unit contract additional mowing requirements for those areas presently being “Grubbed and Cleared” under OICC contract #N63008- 70-00497.

2. Previous discussions with personnel within your office established that the best method of maintaining a cleared base perimeter would be to add the additional mowing requirement to the present airfield maintenance contract. Also discussed was the advisability of doing so sufficiently in advice as to be included in the mowing contract shortly after the “one time” leveling and clearing is accomplished under the soon to be effected add-on security package. This mowing should be accomplished on a frequent basis and this office’s recommendation is a minimum of once per month.

SIGNED

DENVER E. CRISLIP JR., Major, USAF Base Chief Security Police

Supporting Document 541, Letter, Major Denver E. Crislip Jr., Base Chief Security Police, to 388th DE (Chief Civil Engineer), Subject, “Air Base Defense Discrepancies,” 5 October 1970:

1. Facilities and equipment supporting security forces are critical factors in base defense operations. This is true anywhere, but especially so here in an insurgency area. Recent Intelligence reports indicate a strong probability that in the near future Korat RTAFB may be subjected to overt action directed against the Combat resources of this base.

2. On the evening of 28 Sept 19790 at approximately 2100 hours a K-9 sentry posted adjacent to the runway had a strong alert on someone or something. This alert centered on the storm drainage system that passes beneath the

34

runway near the BAK-12 on the 06 end of the runway. The K-9 alert was so strong that this unit considered going into an advanced alert condition, until the situation was resolved. What is most disturbing about the entire situation is that an approved work order (#02868, Serial #554-70), was submitted on 10 April 1970 to install grates over these same culverts and drains. As of this date no action has been taken.

3. The control of vegetation along and on the base perimeter fenceline is a matter that also required immediate attention if some degree of Security surveillance of the boundary is to be maintained. The brush, vines and high grasses along and actually in the fence line offers considerable concealment to hostile-forces. An approved work order to correct this situation was submitted on 25 June 19780. A successful test of contaminated JP4 and wood preservative was conducted by your personnel but no further action has been taken to date.

4. Request this office be advised of the planned action to correct these two serious air base defense discrepancies.

SIGNED

DENVER E. CRISLIP JR., Major, USAF Base Chief Security Police

[NOTE: It is obvious that pressure from higher headquarters to Korat’s Chief of Security Police to do something about the unacceptable vegetation along the base’s perimeter fence was getting the urgency it deserved; unfortunately, it does not appear that this sense of urgency was felt by other agencies on the base. The Civil Engineering Squadron did use the contaminated JP4 fuel and wood preservative mixture discussed in the previous quarter (April through June 1970), but the successful test at one spot along the fence line did not translate into a full blown spraying operation. The Security Police Squadron was on its own, mowing and cutting the vegetation with borrowed equipment. No mention or hint that any herbicides were used, besides the ‘home brew’ of JP4 jet fuel mixed with wood preservative.]

388th Tactical Fighter Wing, October through December 1970, Volume 1, history (AFHRA Call Number K-WG-388-HI, Oct-Dec 1970, V. 1, IRIS Number 457296):

[NOTE: No mention of perimeter fence vegetation control in Volume 1.]

388th Tactical Fighter Wing, October through December 1970, Volume 3, history (AFHRA Call Number K-WG-388-HI, Oct-Dec 1970, V. 3, IRIS Number 457298):

Appendix VI, Historical Data Record, 388th Civil Engineering Squadron, Oct-Dec 1970:

[NOTE: No mention of perimeter fence or vegetation control in this history.]

35

Appendix VI, Historical Data Record, 388th Security Police Squadron, Oct-Dec 1970:

Page 7, Security Operations Section: This section is presently revising all post operating instructions and recently completed a massive perimeter clearing program. All bunkers, towers, and positions have been repaired or rebuilt as required.

[NOTE: Unfortunately, the above does not explain what the perimeter clearing program entailed. It is not clear if this refers to a vegetation control issue, or if it refers to ‘clearing’ all the problems of sites listed (bunkers, towers, mortar pits) of maintenance issues.]

388th Tactical Fighter Wing, January through March 1971, Volume 1, history (AFHRA Call Number K-WG-388-HI, Jan-Mar 1971, V. 1, IRIS Number 457299):

Page 119, Security: The USAF Inspector General expressed concern over attacks on bases in Thailand during which the enemy used the foliage cover bordering the bases to their tactical advantage. To keep this problem to a minimum, vegetation control along the base perimeter was contracted out to a labor force which cleared some of the vegetation away. However, with the rain adding growth to existing vegetation this procedure is useless.

[NOTE: Vegetation control around the perimeter was a local civilian contractor job. The term “cleared” denotes quick cutting and removal instead of the slower poisoning of vegetation that would still need to be removed after it died. The remark about the rain also reminds one that herbicides were useless during the rainy season as it would be quickly diluted to the point where it would not do the job as intended.]

388th Tactical Fighter Wing, January through March 1971, Volume 2, history (AFHRA Call Number K-WG-388-HI, Jan-Mar 1971, V. 2, IRIS Number 457300):

Appendix VI, Unit Histories:

Historical Data Record, 388th Civil Engineering Squadron, Jan-Mar 1971:

[Note: No mention of vegetation control or herbicides in this history.]

Historical Data Record, 388th Security Police Squadron, Jan-Mar 1971:

Page 5, Law Enforcement Section: With the beginning of phase-out for Camp Friendship, the Law Enforcement Section assumed control of the common boundary gate separating Korat RTAFB

36 from Camp Friendship. A work order also has been initiated to install a physical gate at this location.

Page 6: USAF prisoners in the Camp Friendship Confinement facility averaged five per day and these five, an average of 1.5 were transient prisoners. One individual was placed in Correctional custody during this quarter for a thirty day period.

[NOTE: The above is included to show that when the U.S. Army released Camp Friendship to the USAF, it expanded USAF perimeter fence responsibilities.]

Page 15, Facilities for Base Security: The USAF Inspector General has expressed concern over attacks on bases in Thailand during which the enemy used the foliage cover bordering the bases to their advantage. Vegetation control was contracted out to a labor force which cleared some of the vegetation away from the perimeter however, with the rain adding growth to existing vegetation this procedure is useless.

[NOTE: It does not appear that herbicides were used by the local Thai labor force, as the term “clearing” denotes cutting and removing the vegetation in a quick manner, as opposed to herbicides that take a while to kill the foliage and would still have to have the debris removed from the fence area.]

Historical Data Record, Comptroller Division, Jan-Mar 1971:

[NOTE: No mention of perimeter fence issues or vegetation control in this history.]

Historical Data Record, Procurement Support, Jan-Mar 1971:

[NOTE: No mention of perimeter fence issues or vegetation control in this history.]

388th Tactical Fighter Wing, April through June 1971, Volume 1, history (AFHRA Call Number K-WG-388-HI, Apr-Jun 1971, V. 1, IRIS Number 457301):

Page 81, Base Security: Due to the US Army withdrawal from Camp Friendship our southern boundary is open to penetration and possible attack by hostile forces. In an effort to afford early detection the security police have relocated several guard towers so that a more complete surveillance of the area may be accomplished. Bunkers are being built and relocated to give better coverage of the southern boundary. Four new machine gun bunkers and seven new rifle bunkers are being situated on the southern boundary of the base. One mortar position is also being added. Vegetation control is also being continued in order to provide for the best possible field of view.

[NOTE: It is assumed that the vegetation control was the continuation of using local Thai labor to remove foliage.]

37

388th Tactical Fighter Wing, April through June 1971, Volume 2, history (AFHRA Call Number K-WG-388-HI, Apr-Jun 1971, V. 2, IRIS Number 457302):

Historical Data Record, 388th Civil Engineering Squadron, Apr-Jun 1971:

[NOTE: No mention of perimeter fence issues or vegetation control in this history.]

Historical Data Record, 388th Security Police Squadron, Apr-Jun 1971:

[NOTE: There are two versions of the 388th SPS Apr-Jun 1971 historical report. The below is from version 1.]

Page 5, Law Enforcement Section: As reported last quarter, the common bound gate separating Korat RTAFB from Camp Friendship was awaiting the installation of a physical gate at that location. During this quarter the work order was completed and we now have permanent gates installed.

[NOTE: Version 2 of the 388th SPS Apr-Jun 1971 historical report has the following entry.]

Page 8, Facilities for Base Security: Vegetation control without the use of a herbicide is virtually impossible. We are continually assisting vegetation control contractor personnel in clearing vegetation from our perimeter fencing.

[NOTE: The above appears to be a cry for help in getting herbicides. This reinforces the perception that the local Thai contractors did not have access to herbicides, and that the base supply system at Korat could not get it either. This forced security police personnel to assist the contractor in removing foliage from the perimeter fence of Korat.]

Historical Data Record, Procurement, Apr-Jun 1971:

[NOTE: No mention of perimeter fence issues or herbicide use or vegetation control.]

388th Tactical Fighter Wing, July through September 1971, Volume 1, history (AFHRA Call Number K-WG-388-HI, Jul-Sep 1971, V. 1, IRIS Number 457303):

[NOTE: No mention of perimeter fence issues, herbicide or vegetation control in this history.]

388th Tactical Fighter Wing, July through September 1971, Volume 2, history (AFHRA Call Number K-WG-388-HI, Jul-Sep 1971, V. 2, IRIS Number 457304):

Historical Data Record, Comptroller Division, Jul-Sep 1971:

38

[NOTE: No mention of perimeter fence issues or herbicide use or vegetation control.]

Historical Data Record, Procurement, Jul-Sep 1971:

[NOTE: No mention of perimeter fence issues or herbicide use or vegetation control.]

Historical Data Record, 388th Civil Engineering Squadron, Jul-Sep 1971:

[NOTE: No mention of perimeter fence issues or herbicide use or vegetation control.]

Historical Data Record, 388th Security Police Squadron, Jul-Sep 1971:

[Note: There are two versions of this report. Version 1 does not address perimeter fence issues, herbicides or vegetation control. The extracts transcribed below are from Version 2.]

Page 4, Facilities for Base Security: Vegetation control without the use of a herbicide is virtually impossible. We are continually assisting vegetation control contractor personnel in clearing vegetation from our perimeter fencing.

[NOTE: The above is the second quarter in a row where it is specifically stated that no herbicides were available to those at Korat. Instead, security police personnel were actively assisting the local Thai contractor in physically removing the vegetation around the perimeter fence. This shows the local Thai contractor did not have herbicides either.]

388th Tactical Fighter Wing, October through December 1971, Volume 1, history (AFHRA Call Number K-WG-388-HI, Oct-Dec 1971, V. 1, IRIS Number 902645):

[NOTE: No mention of perimeter fence vegetation control in Volume 1.]

388th Tactical Fighter Wing, October through December 1971, Volume 2, history (AFHRA Call Number K-WG-388-HI, Oct-Dec 1971, V. 2, IRIS Number 902646):

Historical Data Record, Procurement Office, Oct-Dec 1971: [NOTE: No mention of perimeter fence issues, such as vegetation control or herbicides, in this quarterly report.]

Historical Data Record, 388th Civil Engineering Squadron, Oct-Dec 1971:

[NOTE: No mention of perimeter fence issues, such as vegetation control, in this quarterly report.]

Historical Data Record, 388th Security Police Squadron, Oct-Dec 1971:

39

Page 5, Facilities for Base Security: We are continually assisting vegetation control contractor personnel in clearing vegetation from our perimeter fencing, however the present contractor is doing an outstanding job keeping vegetation under control.

[NOTE: Evidently a new contractor was now in place whose job it was to clear vegetation from the perimeter base fence, and although security police personnel were still assisting from time to time, this contractor was doing a better job than the predecessor. It does not appear that herbicides were available to either the security police or the contractor.]

Historical Data Record, Comptroller Division, Oct-Dec 1971:

NOTE: No mention of perimeter fence issues, such as vegetation control, in this quarterly report.]

388th Tactical Fighter Wing, January through March 1972, Volume 1, history (AFHRA Call Number K-WG-388-HI, Jan-Mar 1972, V. 1, IRIS Number 902647):

Page 73, Security, Base Defense: There was no change in the threat assessment for Korat RTAFB which was considered to be the safest base in Thailand; however, following a sapper attack on U-Tapao RTAFB on 10 January, the need was pointed out for increased vigilance and the elimination of blind spots in the perimeter defenses.

Supporting Document 53, Message, 7/13AF to 388TFW/CC, no subject, 10 January 1972:

There have been no exercises of the Joint Defense Plan during calendar year 1971. Internal defense is adequate on the USAF side; however, defense from the Thai side appears to be less than satisfactory. This may be attributed to the fact that the Thai consider Korat to be totally safe from enemy attack. Little effort has been expended by USAF personnel to upgrade base defense until the arrival of the present USAF base commander [Colonel Billy B. Sifford, in place since September 1971], who is trying to get all personnel more actively engaged in base defense planning.

[NOTE: The above is transcribed to show how low a priority vegetation control really was at Korat. While steps were obviously taken, the general attitude was that there was really no pressure to elevate the need for foliage control due to Korat being the ‘safest base in Thailand.’]

388th Tactical Fighter Wing, January through March 1972, Volume 2, history (AFHRA Call Number K-WG-388-HI, Jan-Mar 1972, V. 2, IRIS Number 902648):

Historical Data Record, 388th Civil Engineering Squadron, Jan-Mar 1972:

40

[NOTE: No mention of perimeter fence issues, herbicide or vegetation control in this history.]

Historical Data Record, 388th Security Police Squadron, Jan-Mar 1972:

Page 4, Facilities for Base Security: We are continually assisting vegetation control contractor personnel in cleaning vegetation from our perimeter fencing.

Historical Data Record, comptroller Division, Jan-Mar 1972:

[NOTE: No mention of perimeter fence issues, herbicide or vegetation control in this history.]

Historical Data Record, Procurement Office, Jan-Mar 1972:

[NOTE: No mention of perimeter fence issues, herbicide or vegetation control in this history.]

388th Tactical Fighter Wing, April through June 1972, Volume 1, history (AFHRA Call Number K-WG-388-HI, Apr-Jun 1972, V. 1, IRIS Number 902649):

[NOTE: No mention of any vegetation control issues in this volume of the history.]

388th Tactical Fighter Wing, April through June 1972, Volume 2, history (AFHRA Call Number K-WG-388-HI, Apr-Jun 1972, V. 2, IRIS Number 902650):

Tab 10, 388th Civil Engineering Squadron, Historical Data Record, Apr-Jun 1972:

[NOTE: No mention of herbicides or perimeter fence vegetation control issues in this history.]

Tab 11, 388th Security Police Squadron, Historical Data Record, Apr-Jun 1972:

Page 7, Facilities for Base Security: We are continually assisting vegetation control contractor personnel in cleaning vegetation from our perimeter fencing. Herbicide was used as a means of vegetation control during this period.

[NOTE: This is the first time herbicides are mentioned as being used on the perimeter fence at Korat.]

[NOTE: There was no historical data record submitted for the Comptroller Office in this history.]

[NOTE: No mention of herbicides in the Procurement Office historical data record.]

41

388th Tactical Fighter Wing, July through September 1972, Volume 1, history (AFHRA Call Number K-WG-388-HI, Jul-Sep 1972, V. 1, IRIS Number 902651):

[NOTE: No mention of herbicides or vegetation control in this volume of the history.]

388th Tactical Fighter Wing, July through September 1972, Volume 2, history (AFHRA Call Number K-WG-388-HI, Jul-Sep 1972, V. 2, IRIS Number 902652):

Tab 11, 388th Civil Engineering Squadron, Historical Data Record, Jul-Sep 1972:

[NOTE: No mention of herbicides or perimeter fence vegetation control issues in this history.]

Tab 12, 388th Security Police Squadron, Historical Data Record, Jul-Sep 1972:

Page 6, Facilities for Base Security: We are continually assisting vegetation control contractor personnel in cleaning vegetation from our perimeter fencing. Herbicide was used as a means of vegetation control during this period.

[NOTE: This is the Second time herbicides are mentioned as being used on the perimeter fence at Korat.]

[NOTE: No mention of herbicides in the Comptroller Office historical data record.]

[NOTE: There was no historical data record submitted for the Procurement Office for this history.]

388th Tactical Fighter Wing, October through December 1972, Volume 1, history (AFHRA Call Number K-WG-388-HI, Oct-Dec 1972, V. 1, IRIS Number 902653):

Page 59, Supply: Also unique was the requirement to begin disposition of chemicals stored at Camp Friendship, the adjacent army installation that now functions primarily to house USAF personnel TDY to this area and to contain U.S. Army Stratcom facilities.

Page 78, Security: Related to the improved fields of fire and also to improve observation was the application of herbicide for vegetation control. However, considerable external heavy brush remained near much of the perimeter fence.

[NOTE: Herbicides were still being used in this quarter. The Third time this has now been mentioned.]

42

388th Tactical Fighter Wing, October through December 1972, Volume 2, history (AFHRA Call Number K-WG-388-HI, Oct-Dec 1972, V. 2, IRIS Number 902654):

388th Supply Squadron Historical Data Record, Oct-Dec 1972:

Page 13, Storage and Issue Section: All chemicals stored at Camp Friendship are in the process of being disposed. The Bio-Environmental Engineer from Takhli visited us for 2 days and gave helpful instructions as to the disposition of the chemicals. These instructions are being complied with on a scheduled basis.

[NOTE: Unfortunately, it is not stated exactly what type of chemicals were stored and ultimately disposed.]

388th Civil Engineering Squadron Historical Data Record, Oct-Dec 1972:

[NOTE: No mention of vegetation control or herbicides in this history.]

388th Security Police Squadron Historical Data Record, Oct-Dec 1972:

Page 6, Facilities for Base Security: We are continually assisting vegetation control contractor personnel in cleaning vegetation from our perimeter fencing. Herbicides was used as a means of vegetation control during this period.

[NOTE: This is the Third time herbicides is mentioned.]

Comptroller Office Historical Data Record, Oct-Dec 1972:

[NOTE: No mention of herbicides in the Comptroller Office historical data record.]

[NOTE: There was no historical data record submitted for the Procurement Office for this history.]

388th Tactical Fighter Wing, January through March 1973, Volume 1, history (AFHRA Call Number K-WG-388-HI, Jan-Mar 1972, V. 1, IRIS Number 902655):

[NOTE: No mention of herbicides or perimeter fence issues in this volume of the history.]

388th Tactical Fighter Wing, January through March 1973, Volume 2, history (AFHRA Call Number K-WG-388-HI, Jan-Mar 1973, V. 2, IRIS Number 902656):

388th Security Police Squadron, Historical Data Record, Jan-Mar 1973:

[NOTE: No mention of any vegetation control or herbicide use.]

388th Comptroller Division, Historical Data Record, Jan-Mar 1973:

43

[NOTE: No mention of any vegetation control or herbicide program spending or budget or contracts.]

388th Civil Engineering Squadron, Historical Data Record, Jan-Mar 1973:

[NOTE: No mention of any vegetation control or herbicide use.]

388th Tactical Fighter Wing, April through June 1973, Volume 1, history (AFHRA Call Number K-WG-388-HI, Apr-Jun 1973, V. 1, IRIS Number 902657):

Page 143, Security Police Problems: Vegetation control and the maintenance/repair of base defense towers and bunkers and the Thai guard’s facilities were problems during the period. Inadequate support was received in these areas from base civil engineering, resulting in the Security Police accomplishing these projects through self-help.

Page 144: Coordination with the RTA [Royal Thai Army] was completed in May for assistance in vegetation control, with approximately 15 percent of the perimeter cleared prior to the period’s close.

[NOTE: It appears that this vegetation control is clearing the overgrown foliage as opposed to using herbicides to keep the already cut and cleared areas from becoming a problem. The Royal Thai Army had to be coordinated with to assure no misunderstandings arose when the Security Police mowed and cut the grass around the perimeter.]

388th Tactical Fighter Wing, April through June 1973, Volume 3, history (AFHRA Call Number K-WG-388-HI, Apr-Jun 1973, V. 3, IRIS Number 902659):

388th Security Police Squadron Historical Data Record, Apr-Jun 1973:

Page 1, Chief, Security Police: Problems existed with utilization of security police and Thai Security Guards and vegetation control. We had been using our personnel to correct discrepancies noted in vegetation control, maintenance/repair of base defense towers, bunkers, and Thai Guard facilities which are all responsibilities of the civil engineer.

Page 8, Air Base Defense Section: Coordination was made in May 1973 with the RTA [Royal Thai Army] for assistance in removing vegetation from outside of the US Air Force boundary fence. This project is still in progress with approximately 15 percent of the perimeter being accomplished.

[NOTE: Here the historical record is more specific—the Royal Thai Army was actually helping remove vegetation from the perimeter fence line. This indicates that this vegetation control was cutting and mowing and not herbicide spraying as spraying would leave debris.]

44

388th Civil Engineering Squadron Historical Data Record, Apr-Jun 1973:

[NOTE: No mention of any vegetation control or herbicide use in this history.]

388th Comptroller Division Historical Data Record, Apr-Jun 1973:

[NOTE: No mention of any vegetation control or herbicide program spending or budget or contracts.]

388th Tactical Fighter Wing, July through September 1973, Volume 1, history (AFHRA Call Number K-WG-388-HI, Jul-Sep 1973, V. 1, IRIS Number 902660):

Page 139, Vegetation Control, MOA and MSA: Continued unsatisfactory progress was noted this period in the battle against vegetation growth in Munitions Operations Areas (MOAs) and Munitions Storage Areas (MSAs). Grass from two to three feet in height was observed growing adjacent to several munitions stacks. The 388th Chief of Maintenance, Colonel Charles E. Funderburg, called for immediate action to correct the deplorable situation, and preliminary efforts for development of a priority system to handle vegetation problems began as the quarter ended.

[NOTE: Again, a lot of talk but no action.]

388th Tactical Fighter Wing, July through September 1973, Volume 3, history (AFHRA Call Number K-WG-388-HI, Jul-Sep 1973, V. 3, IRIS Number 902662):

388th Security Police Squadron Historical Data Record, Jul-Sep 1973:

Page 9, Air Base Defense Section: Vegetation control is progressing steadily and with complete coordination and cooperation with Thai Army and USAF personnel, although there is no foreseeable end.

[NOTE: No mention of how the vegetation control is being conducted.]

388th Civil Engineering Squadron Historical Data Record, Jul-Sep 1973:

[NOTE: No mention of vegetation control or use of herbicides in this history.]

388th Comptroller Division Historical Data Record, Jul-Sep 1973:

[NOTE: No mention of vegetation control contracts or purchase of herbicides in this history.]

388th Tactical Fighter Wing, October through December 1973, Volume 1 (AFHRA Call Number K-WG-388-HI, Oct-Dec 1973, V. 1, IRIS Number 902663):

45

Page 115, Base Security: During the first week of Nov 73, the 388 CSG received a “Security Enhancement Visit” from PACAF. Results of this informal staff assistance unit pointed out certain deficiencies in areas of vegetation control at the base perimeters, weapon security, and weapons management, among others. Items critiqued on this informal inspection were immediately corrected at all level involved.

388th Tactical Fighter Wing, October through December 1973, Volume 3 (AFHRA Call Number K-WG-388-HI, Oct-Dec 1973, V. 3, IRIS Number 902665):

388th Supply Squadron Historical Data Record, Oct-Dec 1973:

Page 12, Maintenance and Supply: Chemicals in Warehouse 15A Camp Friendship were moved to 11E, and plywood was moved from Camp Friendship and re-warehoused in 11F.

[NOTE: Unfortunately, no explanation of what type of chemicals is provided in this history.]

388th Security Police Squadron Historical Data Record, Oct-Dec 1973:

Page 5, Operations: The base perimeter fence, all gun bunkers and fighting positions were sprayed with herbicide to control vegetation growth.

[NOTE: This is the Fourth time herbicides is mentioned for Korat RTAFB. The last (and third) time was in the October through December 1972 quarter. Evidently, vegetation control was something not enforced for quite a while, until the Inspector General’s informal inspection took place in November 1973.]

388th Civil Engineering Squadron Historical Data Record, Oct-Dec 1973:

[NOTE: No mention of vegetation control or use of herbicides in this history.]

388th Comptroller Division Historical Data Record, Oct-Dec 1973:

[NOTE: No mention of any contracts or payments for vegetation control or herbicides.]

388th Tactical Fighter Wing, October through December 1973, Volume 4 (AFHRA Call Number K-WG-388-HI, Oct-Dec 1973, V. 4, IRIS Number 902666):

Supporting Document 115, Letter, LtCol Larry J. Runge, Chief, Resources Management Division, Directorate of Security Police, Headquarters Pacific Air Forces, to Major Frederick C. Marcks, Chief of Security Police, 388th Combat Support Group, dated 20 December 1973:

Attachment 1, Item 1, 388 Security Police Squadron, Korat RTAFB, Thailand, Base Defense:

46

Discussion: Vegetation control on much of the installation perimeter was very poor. In some instances, the grass was taller than the perimeter fencing.

Recommendations: Improve vegetation control between the perimeter fences and remove debris that affords cover and concealment.

[NOTE: Again, acknowledging the problem, but no action recorded of solving the problem.]

388th Tactical Fighter Wing, January through March 1974, Volume 1, history (AFHRA Call Number K-WG-388-HI, Jan-Mar 1974, V. 1, IRIS Number 1000690):

[NOTE: No mention of vegetation control or herbicide use in this history.]

388th Tactical Fighter Wing, January through March 1974, Volume 3, history (AFHRA Call Number K-WG-388-HI, Jan-Mar 1974, V. 3, IRIS Number 1000692):

388th Security Police Squadron Historical Data Record, Jan-Mar 1974:

Page 5, Operations: A security enhancement projects was initiated through CES [civil engineering squadron] Road and Grounds to clear a belt of terrain 100 feet outward from the perimeter fence.

[NOTE: This implies a quick fix to the vegetation problem, as opposed to the use of herbicides. Roads and Grounds had the bulldozers and road graders, so perhaps that is why this particular civil engineering squadron section was chosen to assist the security police. However, after the area was “clear”, the use of herbicides to keep the foliage down to a manageable level cannot be ruled out. It should be pointed out that the previous quarter also noted poor vegetation control, so it appears that the base was slow in responding to vegetation problems and spent more time talking about it than doing anything about it.]

388th Civil Engineering Squadron Historical Data Record, Jan-Mar 1974:

Page 10: The following work orders were completed during the past quarter via service contracts: Cleaning of vegetation from the oxidation ponds of the sanitary sewage system and increasing depth of each.

[NOTE: This would entail a digging and scooping out—herbicides would not have been used for this operation.]

47

[NOTE: No mention of vegetation control or herbicide use for security issues like the perimeter fence in this history.]

388th Comptroller Division Historical Data Record, Jan-Mar 1974:

[NOTE: No mention of funding for vegetation control contracts or herbicide purchases in this history.]

388th Tactical Fighter Wing, April through June 1974, Volume 1, history (AFHRA Call Number K-WG-388-HI, Apr-Jun 1974, V. 1, IRIS Number 1001285):

Page 66, Security, Vegetation Control: A serious problem of vegetation control on the base perimeter and gun emplacements was noted during the last month of this quarter. The slide presentation was shown to the Base Defense Council pointing out the seriousness of the problem. Corrective action had begun as the quarter ended.

[NOTE: The past two quarters (Oct-Dec 1973 and Jan-Mar 1974) had also pointed out problems with vegetation. Plans were made, but not documented that they were carried out.]

388th Tactical Fighter Wing, April through June 1974, Volume 3, history (AFHRA Call Number K-WG-388-HI, Apr-Jun 1974, V. 3, IRIS Number 1001287):

388th Security Police Squadron Historical Data Record, Apr-Jun 1974:

Page 5, Operations: Vegetation control on the base perimeter and gun emplacements became a serious problem during the last month of this quarter. A color slide briefing identifying this problem was developed and presented to the Base Defense Council. As a result, immediate action was taken to eliminate this problem.

[NOTE: Unfortunately, exactly what actions that were taken were not explained. Also, since there was a vegetation clearance program during the January through March 1974 period, but now the foliage had returned, it appears that large wholesale attempts to curb the vegetation were onetime events that were not followed up on, but left alone until the foliage became an eyesore or security issue once again.]

388th Civil Engineering Squadron Historical Data Record, Apr-Jun 1974:

Chronology: May Grass cutter defaulted on contract.

[NOTE: Other than the one mention of the contractor whose job was to cut the grass on the base, no mention is made of any other vegetation control or herbicide use in this history.]

48

388th Comptroller Division Historical Data Record, Apr-Jun 1974:

[NOTE: No mention of any contracts concerning vegetation control or purchasing of herbicides.]

388th Tactical Fighter Wing, July through December 1974, Volume 1, history (AFHRA Call Number K-WG-388-HI, Jul-Dec 1974, V. 1, IRIS Number 1005587):

Page 81, Security Area of Responsibility: ON the first of August 1974, the 388th Security Police became responsible for the security of Camp Friendship and Jones Park which together with Korat and the Thai Air Force area make up the total military complex of the Korat area. In assuming this responsibility, the 388SPS relieved the U.S. Army of the task. The 388SPS posted 11 towers, assigned a two-man Security Alert Team and a switch board operator to fulfill this task. A Thai Security Guard force of 58 men was transferred to the air base defense section of the 388SPS to help in manning these security posts.

[NOTE: No mention of vegetation control or herbicide use in this history; however, with the transfer of Camp Friendship and Jones Park to Korat, vegetation control for these two areas would naturally be taken on by the USAF. However, it appears both areas were more in a caretaker status than actual operation, supported by the fact that only a two man security team from the 388th Security Police Squadron was responsible for both new areas. It appears that the Thai Air Force took the security burden (and consequently the vegetation control issue) for these two areas more than the USAF.]

388th Tactical Fighter Wing, July through December 1974, Volume 4, history (AFHRA Call Number K-WG-388-HI, Jul-Dec 1974, V. 4, IRIS Number 1005590):

388th Comptroller Division Historical Data Record for Jul-Sep 1974:

[NOTE: No mention of any contracts concerning vegetation control or purchasing of herbicides.]

388th Comptroller Division Historical Data Record for Oct-Dec 1974: [NOTE: No mention of any contracts concerning vegetation control or purchasing of herbicides.]

388th Civil Engineering Squadron Historical Data Record for Jul-Sep 1974:

[NOTE: No mention of any vegetation control programs or work, or any mention of herbicides in this history.]

388th Civil Engineering Squadron Historical Data Record for Oct-Dec 1974:

[NOTE: No mention of any vegetation control programs or work, or any mention of herbicides in this history.]

49

388th Security Police Squadron Historical Data Record for Jul-Sep 1974:

[NOTE: No mention of any vegetation control programs or work, or any mention of herbicides in this history.]

388th Security Police Squadron Historical Data Record for Oct-Dec 1974:

Page 5, Air Base Defense: During November and December a rash of barrier fence concertina wire thefts were experienced in the areas of Tower #19, Tower #12, Tower #9, Tower #6, and MSA [munitions storage area] area. Corrective action included permanent USAF sentries posted in affected Towers, additional patrol coverage, increased vegetation control, and installation of trip flares on outer base barriers.

Page 6: Vegetation control improved immensely from the last reporting period. The entire MSA area fence was cleared by contract workers and a 50 ft. clear zone was provided by civil engineering personnel and heavy equipment.

[NOTE: Vegetation control appeared to be applied around the munitions area using contract workers and heavy equipment to clear the foliage away. No mention of herbicides for this type of clearing work.]

388th Tactical Fighter Wing, July through December 1974, Volume 6, history (AFHRA Call Number K-WG-388-HI, Jul-Dec 1974, V. 6, IRIS Number 1005592):

Supporting Document 193, Korat AB, Thailand Base Facilities Inspection, 17-10 October 1974:

Tab CC, 388th Civil Engineering: The lawn mower repair area was dirty.

[NOTE: The above is only included to show that grass cutting, also known as vegetation control, was also accomplished with the use of lawn mowers.]

Supporting Document 225, Letter, 388th TFW/RU (Colonel Richard D. Hayes Jr., Deputy Commander for Resources) to 388TFW/CC (Colonel John J. Glossbrenner), Special Working Group Recommendations to Resolve Pilferage of Brass Case Ammunitions, dated 26 November 1974:

Page 2: Problem: Vegetation control inside the MSA, under and outside the fence was overgrown and hindered effective surveillance/detection of penetrators.

Solution: Base Civil Engineers have coordinated with the contractor to expedite vegetation control. Additionally, Base Civil Engineers will bulldoze the area from the MSA fence out to a point 100 feet away. This will provide a clear area for much improved surveillance/observation of penetrators.

50

Page 3: Problem: Lack of formal approval to utilize herbicide is hindering vegetation control.

Solution: Coordination has been affected with Base Civil Engineers to obtain approval to utilize a herbicide. They reported that they have an adequate supply on hand, plus personnel, equipment and technical know how to apply however, require American Embassy approval. When obtained, the liquid will be applied and trip flares installed in the area outside the fence.

[NOTE: Well, there it is—bulldozers and lawn mowers, not herbicides were used at Korat. The use of herbicides required the approval through the American Embassy.]

Supporting Document 227, Message, 388 CSG/SP (Major Frank K. Martin, Chief, Security Police Squadron) to CINCPACAF/IGS, “Corona Lock, HAF/IGS(W) 7406, 300445Z Nov 1974, Part II, Nonnuclear Munitions:

Page 5 of 6: Base CE has coordinated with the grass cutting contractor to expedite vegetation control within the munitions storage area. The vegetation within the area is now at an acceptable level. Additionally, CE will bulldoze the area from the munitions storage area fence out to a point of 50 feet. This will provide a clear zone for much improved surveillance/observation of penetrators.

[NOTE: As can be seen from the above, only the American Embassy could approve of the use of herbicides on the USAF bases in Thailand. Therefore, it should come as no surprise that herbicides are not mentioned since the October through December 1973 quarter, probably because the American Embassy had not approved herbicides spraying since that time for Korat.]

Need More Research January through June 1975, when the base closed.

Page 69, Nakhon Phanom RTAFB: NKP also had the usual rainy season vegetation problems, but heavy use of herbicides kept the growth under control in the fenced areas. Interior vegetation was usually kept closely cut.

Page 65, Nakhon Phanom RTAFB, aerial view, 1966:

51

Nakhon Phanom RTAFB:

[NOTE: Before the 634th Combat Support Group Wing took over as the host unit of Nakhon Phanom, the 6235th Air Base Squadron was the housekeeping organization. The 6235th Air Base Squadron histories were submitted to the AFHRA both as separate histories and as supporting documents to the 35th Tactical Group histories.]

35th Tactical Group, 1 January through 30 June 1965 (AFHRA Call Number K-GP-35-HI, Jan-Jun 1965, IRIS Number 435562):

Historical Data Record, 6235th Air Base Squadron, 21 Apr-1 Jul 1965:

Page 2, Narrative: Security was and is still one of the major problems of support. About twelve (12) TDY air police were on hand in May 65. By 30 June 65 all TDY air police had departed and air police operations are now carried out by one supervisor and five (5) air police personnel.

52

The Civil Engineering section is making a superhuman effort to keep the base in physical operating condition. Ground power requirements are going up causing a strain on the equipment. The roads and grounds people are very busy with erosion control and repair of roads during this rainy season. The building and repair work for carpenters is enormous. It is an endless task.

[NOTE: As with other Thai bases that were just starting up, NKP’s priority at this time was not perimeter fence and vegetation control issues. There is no hint of any use of herbicides at NKP at this time.]

635th Air Base Squadron, July through December 1965 (AFHRA Call Number K-SQ-AB-6235-HI, Jul-Dec 1965, IRIS Number 411864):

[NOTE: No mention of any vegetation control, in fact, there is complaints that during the rainy season the vegetation and bad roads with ruts were so bad around the perimeter of the base that only foot patrols could get through—no vehicles.]

634th Combat Support Group, April through December 1966 (AFHRA Call Number K-GP-SUP-634-HI, Apr-Dec 1966, IRIS Number 444457):

[NOTE: The 634th CSG initially opened NKP in April 1966 and was responsible for the construction of the base in preparation for the 56th Air Commando (later Special Operations) Wing, which arrived in April 1967.]

Page 32, New Facilities: The construction of new facilities resulted in the clearance of 700 acres of land by the 634th Civil Engineers. Prior to 1 July 1966, all trees which had been felled were merely pushed aside from actual construction sites. Beginning in July and Early August, the felled trees (estimated in the thousands), in addition to others that were felled later, were carried to scattered safe areas and destroyed by fire.

When clearing started for the increased building, a policy was immediately implemented to prevent any trees from being felled, unless it was to make room for a structure. The anticipated results of this continuing program was that Nakhon Phanom RTAFB would always retain a park-like appearance. Soil conservation was emphasized at all times.

53

Clearing of NKP in April 1966 for new construction.

54

NKP, April 1966, felled trees pushed aside from actual construction sites.

55

NKP, July and August 1966, felled trees by new construction are moved to a safe area…and prepared for burning. Above, fuel is added to the pile, below, the trees are burned.

56

606th Air Commando Squadron, Weekly Activity Reports, 28 March through 25 December 1966 (AFHRA Call Number K-SQ-A-CMDO-606-SU-RE-W, 28 Mar-25 Dec 1966, IRIS Number 410604):

606 ACS Weekly Activities Report, 21 December 1966, from 606 Air Commando Squadron Commander, Colonel Harry C. Aderholt to CINCPACAF (DPLAN), for the period of 0001 hours, 12 December through 2400 hours 18 December 1966, paragraph 3c, UC-123, subparagraph (3):

“A new and significant training sortie was flown, when for the first time 606th personnel flew a low-level spray training mission. First set of “B” components for spray capability is expected 5 Jan 1967.”

[NOTE: The unit does not state what type of spraying this could be—insecticide or herbicide. However, the 11 January 1967 weekly report makes it very clear what the intent was—defoliation. See below.]

606th Air Commando Squadron, Weekly Activity Reports, 26 December 1966 through 16 April 1967 (AFHRA Call Number K-SQ-A-CMDO-606-SU-RE-W, 26 Dec 1966-16 Apr 1967, IRIS Number 410605):

57

606 ACS Weekly Activities Report, 21 December 1966, from 606 Air Commando Squadron Commander, Colonel Harry C. Aderholt to CINCPACAF (DPLAN), for the period of 0001 hours, 2 January through 2400 hours 8 January 1967, paragraph 3c, UC- 123, subparagraph (3):

“Practice defoliation missions were flown again giving training in low-level procedures as well as defoliation techniques.”

[NOTE: This is the last time spray missions for 606th Air Command Squadron UC-123s is mentioned in the weekly reports (the reports ended 16 April 1967). Besides the airlifting support of equipment and personnel within Thailand, the emphasis for the 606th’s UC- 123s shifted to the idea of using these aircraft to drop flares at night over discovered enemy truck convoys in Laos, on their way to Vietnam, and the accompanying fighter aircraft could then attack the trucks. This mission became known as Candlestick, and such was the positive results that this became the primary combat mission for the UC- 123s of the 606th Air Commando Squadron. So what about the practice spray missions? With the information provided, it apparently did not go any further than a few practice missions. Herbicide spraying did not become a mission of the 606th Air Commando Squadron. All of the weekly activity reports listed out the munitions expended, and it would be reasonable to expect the number of gallons of defoliant sprayed, if it had been sprayed, would have been listed. However, there is no indication in these reports either of any spraying. What did they spray in the practice missions? That is unknown. It could have been commercial-grade herbicides, Agent Orange, Agent Blue, Agent White, or, it could have been harmless water as the whole point of the practice flights were for the aircrew to learn the flying techniques of how to spray herbicides. There is no mention of any actual herbicide spray missions being undertaken. Since the weekly reports cover all combat missions in detail, the omission of spray missions indicate that none took place. Without any further information, nothing concrete about herbicides being used at Nakhon Phanom Royal Thai Air Force Base, Thailand, can be gained by this 12 December 1966 through 8 January 1967 practice training that never resulted in any combat operations.]

634th Combat Support Group, January through 8 April 1967, (AFHRA Call Number K-GP-SUP-634-HI, Jan-8 Apr 1967, IRIS Number 444458):

Page 12, Security: The major problem in the area of base security was theft or pilferage of both government and personal property. Virtually overnight, during base guild-up, tons of vital equipment were transported into the base without adequate storage facilities.

The quantity of equipment and material was so great that it became necessary to store equipment in open storage areas. The only available site for open storage was the north end of the base which at that time, surrounded by dense jungle and foliage.

The base was being penetrated nightly by persons believed to be living in the small villages surrounding the base. The pilferers began taking only small portable items, but by late winter and early spring of 1967, the base was experiencing pilferage from groups as large as 20 or 30 persons who were

58 directing their efforts toward such valuable items as electrical equipment, copper wire and large quantities of building material.

In an effort to stoop the thefts, by February much of the jungle had been cleared around the storage areas which fenced with concertina wire, lighted and guarded by both Thai and US Forces. Roving patrol teams of Security Policemen and Thai Security Guards were placed to cover the most susceptible spots for thefts along the perimeter. But, security forces were too small to cover the many entry and escape routes which the surrounding jungle area provided the thieves. When one point was secure, the thieves merely changed or moved to another area such as smaller construction sites.

Page 26, Facilities: Construction of a new perimeter road was in progress. It was estimated that it would take 12 miles of laterite road. A 150 foot wide perimeter clearing had been completed. Sixty guard towers were to be construction on the cleared section close to the roadway to increase the security of the base.

Supporting Document 10, Historical Data Record of the 56th Security Police Squadron, Jan-8 Apr 1967:

Page 2: However, by late winter and spring of 1967, we were experiencing pilferage from groups as large as twenty or thirty person who were directing their efforts toward those more valuable items, such as electrical equipment, copper wire and large quantities of building material. By February of 1967, much of the jungle had been cleared and our storage areas were fenced with concertina wire, lighted and guarded by both Thai and US Forces.

Supporting Document 11, Historical Data Record of the 56th Civil Engineering Squadron, Jan-8 April 1967:

Page 1, Mission:

Maintains all structures, roads, ditches, side walks, airfields, fences and surrounding wooded areas.

Responsible for all general purpose janitorial services.

Responsible for all insect and rodent control.

Page 2, Narrative: Work continued on the perimeter road.

[NOTE: As can be seen from the above entries, herbicides were not the choice of getting rid of foliage. The use of the words “cleared” and “clearing” insinuates the use of removing vegetation with road graders and bulldozers instead of spraying with herbicides, waiting for the vegetation to die, then having to clear it with heavy equipment anyway. The above does not indicate that any herbicides were used at this time at NKP’s perimeter fence area.]

59

56th Air Commando Wing, 8 April through 30 June 1967, (AFHRA Call Number K-WG-56-HI, 8 Apr-Jun 1967, IRIS Number 451110):

Page 27, Facilities: The first phase of the runway construction project was completed on 3 May 1967 when the new 6,200 foot by 96 foot M8AI steel matted taxiway was officially opened.

The actual work on the taxiway began in September 1966 with the stripping off of top soil. In December, work was commenced on the taxiway. A total of 600,000 square feet of steel matting was used on the taxiway.

Completion of the taxiway brought Nakhon Phanom RTAFB into the “Jet Age.” Shortly after the official opening, a T-39 landed to become the first jet to land at NKP.

The new taxiway opening and use as the runway, marked the end of the Pierced Steel Planking (PSP) era at NKP. The PSP runway was being removed and replaced by the aluminum matting.

NKP, May 1967, new runway and taxiway are completed. Note the distance to the trees.

56th Air Commando Wing July through September 1967 history, (AFHRA Call Number K-WG-56-HI, Jul-Sep 1967, IRIS Number 451111):

[NOTE: No mention is made of any vegetation control in the narrative of the history.]

Supporting Document 17, History of the 56th Supply Squadron, Jul-Sep 1967:

[NOTE: No mention is made of any vegetation control in this history.]

60

Supporting Document 18, History of the 56th Civil Engineering Squadron, Jul-Sep 1967:

[NOTE: No mention is made of any vegetation control in this history.]

Supporting Document 21, History of the 56th Security Police Squadron, Jul-Sep 1967:

[NOTE: No mention is made of any vegetation control in this history.]

Supporting Document 23, History of the Comptroller, Jul-Sep 1967:

[NOTE: No mention is made of any vegetation control in this history.]

Supporting Document 24, History of the Base Procurement Office, Jul-Sep 1967:

[NOTE: No mention is made of any vegetation control in this history.]

Extract, Chronology of Thirteenth Air Force, 1 January through 31 December 1967, Volume I (AFHRA Call Number K750.01, Jan-Dec 1967, V. 1, IRIS Number 1114989):

Page 57, 11 October 1967 entry: In-country clearance was sought for six C-123 herbicide aircraft and 60 personnel to operate from NKP for a 15-day period. The project involved defoliation of Steel Tiger [southern Laos] routes.

[NOTE: This planned herbicide use was not for the base, but instead, NKP would be used as a forward operating location for a 15 day period to spray tactical herbicides in southern Laos. The tactical herbicides would be brought in and sprayed in Laos by the Ranch Hand unit.]

56th Air Commando Wing October through December 1967 history, Volume 1 (AFHRA Call Number K-WG-56-HI, Oct-Dec 1967, V. 1, IRIS Number 451112):

Page 56, Facilities: Most of the actual construction on the base was done by Det 3, 556th Civil Engineering Squadron (RED HORESE—(Rapid Engineer Deployment – Heavy Overseas Repair Squadron Engineers), base at U-Tapao RTAFB, Thailand.

The mission of the 56th civil Engineering Squadron was to maintain all structures, roads, ditches, sidewalks, airfields, fences and surrounding wooded areas, water lines nan sewage disposal systems. In addition, the squadron produced all the water and electrical energy and was responsible for such things as insect and rodent control, fire protection, trash and garbage disposal and general purpose janitorial services.

[NOTE: No mention of vegetation control in Security Police, Comptroller or Procurement in this volume of the history.]

61

56th Air Commando Wing October through December 1967 history, Volume 2 (AFHRA Call Number K-WG-56-HI, Oct-Dec 1967, V. 2, IRIS Number 451113):

Supporting Document 44, History, 56th Supply Squadron, Oct-Dec 1967:

[NOTE: No mention of vegetation control issues in this history.]

Supporting Document 62, History, 56th Civil Engineering Squadron, Oct-Dec 1967:

[NOTE: No mention of vegetation control issues in this history.]

Supporting Document 64, History, 56th Security Police Squadron, Oct-Dec 1967:

[NOTE: No mention of vegetation control issues in this history.]

Supporting Document 68, History, Base Procurement Office, Oct-Dec 1967:

[NOTE: No mention of vegetation control issues in this history.]

Supporting Document 70, History, Comptroller, Oct-Dec 1967:

[NOTE: No mention of vegetation control issues in this history.]

56th Air Commando Wing, January through March 1968, Volume 4 (AFHRA Call Number K-WG-56-HI, Jan-Mar 1968, V. 4, IRIS Number 451117):

Supporting Document 125, Historical Data Report, 56th Civil Engineering Squadron, Jan-Mar 1968:

Page 1, Mission: Maintains all structures, roads, ditches, sidewalks, airfields, fences and surrounding wooded areas.

Responsible for all insect and rodent control.

[NOTE: No mention of any perimeter fence issues such as construction, vegetation control or herbicide use.]

Supporting Document 132, Historical Data Report, 56th Security Police Squadron, Jan-Mar 1968:

Page 1, Mission: The primary mission of the 56th Security Police Squadron is security of the combat capability of the 56th Air Commando Wing, protection of USAF resources within the confines of Nakhon Phanom RTAFB, enforcement of law and order among persons subject to the [uniform] code [of military justice].

[NOTE: No mention of any perimeter fence issues such as construction, vegetation control or herbicide use.]

62

56th Air Commando Wing, April through June 1968, Volume 1 (AFHRA Call Number K-WG-56-HI, Apr-Jun 1968, V. 1, IRIS Number 451118):

Tab M, Historical Data Record, 56th Civil Engineering Squadron, Apr-Jun 1968:

Page 1, Mission: Maintains all structures, roads, ditches, sidewalks, airfields, fences, and surrounding wooded areas.

Responsible for all insect and rodent control.

Page 3, Base Civil Engineer Equipment: Type Vehicle Quantity Sprayer & Duster 2

Page 4, Facility Construction Status, as of 30 June 1968:

Const % Est. Qtr Facility Scope CWE ($000) Compl Compl Calendar

Perimeter Security Road LS 573 3% 4/68

Perimeter Security Lighting LS Incl in Above 4% 4/68

Perimeter Security Fence LS Incl in Above 5% 4/68

Page 10, Land Management: A land management plan is currently in the programs development stage. Because of the instantaneous development of this installation and its rapid growth a plan is late in coming, however, as-built drawings are being updated and future development plans are currently in use. Complete compliance with AFR 126-4, Soil and Water Management is projected in the very near future. Contractor’s service is used to control the rapid jungle vegetation growth and maintain the appearance of the base. Grass and vegetation is cut to a height of not less than two inches and not more than four inches. Grassed areas are mowed weekly. Ditches and streams are trimmed weekly by hand labor to prevent clogging of drainage culverts. Cost for this service is approximately $13,000 per year.

Page 29, Entomology: One of the 13th AF I.G. team write ups for Civil Engineering during their visit in January 68, was that the entomology section had not developed a pest control

63 plan. It was later discovered that all 13th AF bases lacked a suitable plan, and a suspense was levied on all bases by higher headquarters.

The plan, the first and only one ever prepared for this base, was completed and forwarded in advance of the 15 April 68 suspense. Not only was the plan the first one for this base, it was judged one of the best plans in PACAF according to a letter of commendation from Brigadier General Archie S. Mayes, Deputy Chief of Staff for Civil Engineering PACAF [dated 7 May 1968].

Supporting Document 2, Memo, RAFRCE- Nakhon Phanom to AFRCE-Thai, Subject: Narrative Construction Progress Report for Week Ending Wednesday, 12 June 1968, dated 12 June 1968:

Page 5, Paragraphs 22 through 24: Road, Perimeter/Security; 67/851-147; LW; 3%; November 68: Grubbing is complete for the southeast corner of base and west perimeter, and approximately 50% complete for the north perimeter. There was no further progress since the last report. Anticipate very little or no progress during this monsoon season.

Lighting, Perimeter/Security; 67/872-84A; LS; 4%; December 68: Grubbing is complete for the southeast corner of the base and west perimeter, and approximately 50% complete for the north perimeter. There was no further progress since the last report. Anticipate very little or no progress during this monsoon season.

Fence, Perimeter/Security; 67/872-247; LS; December 68: Grubbing is complete for the southeast corner of the base and west perimeter, and approximately 50% complete for the north perimeter. There was no further progress since the last report. Anticipate very little or no progress during this monsoon season.

Page 11, Special Remarks: This will be the final Narrative Construction Progress Report due to the temporary deactivation of the Resident AFRCE office at Nakhon Phanom RTAB.

Tab N, Historical Data Record, 56th Security Police Squadron, Apr-Jun 68:

Page 1, Mission: To prevent close-in enemy reconnaissance, infiltration, raids, ambushes, and attacks by guerrilla or other groups; to contain enemy forces which have penetrated the airbase areas and to destroy the enemy by counterattack.

[NOTE: No mention of any perimeter issues or vegetation control issues in this history.]

56th Special Operations Wing, July through September 1968, Volume 1 (AFHRA Call Number K-WG-56-HI, Jul-Sep 1968, V. 1, IRIS Number 451123):

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[NOTE: The 56th Air Commando Wing was redesignated as the 56th Special Operations Wing as of 1 August 1968.]

Page 99, Facilities: On 11 September almost three inches of rain fell between 0001 and 0300 hours local. Two feet of water covered the runway’s centerline, swirling drainage flow ripped the matting loose from the base, damaging runway light cables and causing the lights to fail. Starting at 1490 feet from the south end 132 feet of matting floated six feet to the west; the next 232 feet moved 28 feet; and the last 72 feet were displaced 24 feet.

Page 100: Concern for base security was heavily emphasized during the quarter, following the overt attack by hostile forces against Udorn RTAFB. Several programs were started to improve NKP’s security perimeter.

Page 101: One of the first projects was clearing jungle vegetation from the base perimeter. This work started with in-house labor and was continued by a contractor.

Another project was to develop a security fence, lights, and access road around the perimeter. Although the final design had not been approved by PACAF at the close of the quarter, $555,000 in construction funds had been budgeted.

Page 105, Security Police: Base security received renewed emphasis following the 26 July attack on Udorn RTAFB. This attack marked the first time a Thailand base came under an open assault.

NKP, although not experiencing an attack this quarter, maintained a constant vigil. Colonel Roland K. McCoskrie, wing commander, outlined the attack threat to the base in his end of tour report:

Our specific vulnerability stems from the fact that an enemy force can infiltrate to within an extremely close range of the base. Having accomplished this, a high trajectory rocket or mortar attack can be directed against the installation…

Page 108: A Special Forces officer, Maj. William D. Patton, later replaced by Captain Blair, was assigned to the base, 1 August, as Ground Defense Liaison Officer.

Initial ground defense problems observed by Major Patton were (1) observation and fields of fire were restricted because of the poor positioning of weapons, absence of observation towers, lack of defoliation and poor illumination; Concertina wire was not staked down and as a result it was removed by indigenous personnel on a daily basis. Patrols from the security police were dispatched daily to replace the stolen wire. It was obvious if the local villagers could remove concertina wire without being detected, an enemy force could penetrate the perimeter without being detected.

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Page 112: On 1 August all USAF commanders in Thailand were requested to evaluate and submit to 13th AF IGS their requirements for fencing and lighting of base perimeter and resources area boundaries plus an all weather base perimeter and feeder access roads. In addition, multiple fencing was planned to be placed around base perimeters where appropriate.

Page 113: The base responded to 13th’s request for a jungle clearance plan, 21 August. The local plan estimated 120 days to clear 850 acres of jungle inside the base perimeter. It would involve 750 local nationals and 40 USAF NCOs.

Appendix VII, Tab O, Historical Data Record of the 56th Civil Engineering Squadron, 1 July to 30 September 1968:

Page 3, Base Civil Engineer Equipment: Type Vehicle Quantity Sprayer & Duster 2

Page 4, Facility Construction Status, as of 30 Sept 1968:

Const % Est. Qtr Facility Scope CWE ($000) Compl Compl Calendar

Perimeter Security Road LS 573 3% unk

Perimeter Security Lighting LS Incl in Above 4% unk

Perimeter Security Fence LS Incl in Above 5% ink

Page 20, Security: The concern for base security has been heavily emphasized during this quarter especially after the overt attack by hostile forces against another Thai military installation. Several programs were initiated to provide a better security perimeter for NKP. One of the projects under way included jungle clearance along the base perimeter (see photo, below).

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Photo extract from 56th Civil Engineering Squadron history for July-September 1968, “During cleaning operations on the east perimeter. Vegetation control and disposal being accomplished by service contract.”

[NOTE: The following comments, while transcripted from the 56th Civil Engineering Squadron history, also on page 20, are originally from the daily history documents, “The Daily Dairy” and are those of the Base Civil Engineer (BCE), Lt Col John G. Rice.]

“Some labor force will be cutting vegetation on the east perimeter today. I have pulled my cutting crew from the airfield areas and intend to use the Red Horse laborers from the sandbagging operation in the old ammo storage area. All necessary paper work will be in procurement today and Col Ward (Lt Col Robert W. Ward, Procurement Officer) plans to have a meeting of prospective bidders in his office today at 1600 hours. The in- house labor force will perform for the few days required to get a contractor on base and then they will return to their previously assigned tasks.” --dated 6 August 1968.

“I dispatched an answer to 7/13AF on action I am taking to accomplish vegetation control by service contract. I have cleared this with 13AF DCEM and we are preparing necessary specifications to get PACAF approval. 13AF DCEM says it should almost be automatic. We will clean up the internal areas similarly

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to the perimeter clean up except we will not remove large or desirable trees.” –dated 13 September 1968.

Another project is underway to develop a security fence, lights, and access road around the perimeter. One proposal was similar to drawing, below. A finalized design was not completed as of the end of this quarter, but is anticipated shortly from PACAF. The required funding of $550,000 has been accomplished.

NKP proposed perimeter fence security plan drawing, July-September 1968. Note that at the time, there was no fence completely surrounding NKP, so there was no place to spray herbicides. Up to this time, the topic of herbicide use is not mentioned in any NKP unit histories.

[NOTE: Also, in late June, the Thirteenth Air Force Security Defense Survey Team arrived on base and reviewed the base defense and issued the following report, which also emphasized vegetation control:]

Page 26, Commander’s Conclusions: This period should have been enough to dampen one’s spirits. It seemed that all our problems were caused by and/or the solution hindered by, the rains and it’s consequences. Although receiving slightly below normal rainfall, we did receive a daily average of over ½ inch. Whoever before heard of waking up in the morning and finding that your runway had floated away? It really did! And the reaction of our clearly superior non-commissioned officers was to quickly handle it as a new challenge.

Supporting Document 7, Memo from 56SOW/BCEE to 56SOW/BC, Subject:” Findings and Determination for Vegetation Control project, Dated 16 August 1968:

1. Request the attached Findings and Determination for Vegetation Control on the perimeter be approved.

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2. This service is considered essential to mission support and is necessary for the security of the base. In-service personnel are not available to perform this service. The dense bush vegetation growth prevents the Security Police from fully providing the protection that is required.

Signed JOHN G. RICE, Lt Col, USAF Base Civil Engineer

Tab P, Historical Data Record, 56th Security Police Squadron, Jul-Sep 1968:

[NOTE: No mention of base perimeter issues, such as fencing, lighting or vegetation control is made in this history.]

Nakhon Phanom RTAFB Ammo Storage Area, July 1968.

56th Special Operations Wing, July through September 1968, Volume 2 (AFHRA Call Number K-WG-56-HI, Jul-Sep 1968, V. 2, IRIS Number 897603):

Supporting Document 35, Colonel Roland K. McCoskrie, 56th Special Operations Wing Commander’s End of Tour Report:

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Page 27, Security Assessment: Our specific vulnerability stems from the fact that an enemy force can infiltrate to within an extremely close range of the base. Having accomplished this, a high trajectory rocket or mortar attack can be directed against the installation. The enemy is aided in this respect by jungle approaches and natural growth on the perimeter of the base. Some clearing of these approaches has been accomplished, but from a standpoint of security and defense, a great deal more is needed.

Once we install the fences, lighting, and all-weather roads which security reviews and inspections say we need, we will increase the observation/detection capability of the in-place security force.

[NOTE: Notice that the wing commander has set the priority system for perimeter defense: 1) Fences, 2) lighting, 3) roads, and finally then foliage control.]

[NOTE: Udorn RTAFB was attacked on 26 July 1968, which prompted the below message to be sent to all USAF bases in Thailand:]

56th Special Operations Wing, July through September 1968, Volume 3 (AFHRA Call Number K-WG-56-HI, Jul-Sep 1968, V. 3, IRIS Number 451125):

[NOTE: After the attack on Udorn RTAFB on 26 July 1968, a flurry of messages outlining base defense measures to be taken, along with groups of inspectors and study groups from higher headquarters descended on various bases to provide review each base’s security needs and provide assistance where they could. See below:]

Supporting Document 67, Message, 27 July 1968, Deptuy Commander, 7/13 AF, Udorn Afld, Thailand to 8TFW, Ubon; 355TFW, Takhli; 388TFW Korat; 432TRW Udorn; 56ACW, NKP; 6310CSG, Don Muang; 6350CSG, U-Tapao; MACTHAI; 7AF, TSN; 13AF, Clark; HQ PACAF; AMEBM Bangkok, Thailand; American Counsl, Udorn, Subject: Lessons Learned From The Attack on Udorn, 26 Jul 68:

Paragraph 2: Lessons Learned. Following is a discussion of lessons learned. Conclusions are very preliminary and are forwarded without further documentation for the benefit of commanders in Thailand. a. Thai guards performed well as members of joint UJSAF/Thai Teams. It is probably well to maintain the feeling of joint responsibility. b. Lack of perimeter lighting, watch towers, inadequate fencing, weeds, and close perimeter afforded the enemy increased surprise and east of penetration. Selective construction of more bunkers would have enhanced the defense, although care required to avoid making these available to infiltrators.

[NOTE: The rest of the message deals with the need for flare ships, fire discipline, Thai guard and forces support and radio coordination. The final paragraph states:]

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Paragraph 3: Commanders will take the following steps:

A. Immediately assess availability of Thai forces to support defense of base. B. Evaluate procedures and communications for coordination of base defense during emergency and make adjustments as possible C. Review training status of USAF and Thai Guards, and initiate retraining on a scheduled basis. D. Take steps to develop a standby flare ship capability at Udorn, Ubon, NKP, and Korat. E. Review base defense plan with an eye to covering critical areas which are adjacent to the perimeter.

[NOTE: In essence, the Deputy Commander of 7/13th Air Force was ordering the base commanders in Thailand the above steps. As can be seen, vegetation or ‘weed’ control would fall under subparagraph E, above, and was the last item mentioned and the least forceful of the ordered steps to take.]

Extract, Supporting Document 88, Message, (written 2 August, sent 3 August 1968), 56CSG, Lt Col Rochelle, NKP to 13AF/IGS, Clark AFB, Phil, Subject: Thailand Base Defense Survey:

From Lt Col Rochelle to 13 AF (IGS. As outlined in my previous msg the objective of this current survey is to study and come up with recommendations, if any, concerning the overall air base defense posture of all Thailand bases.

This survey was requested by Deputy Commander 7/13AF.

Present team composition consist of Lt Col Rochelle, MSgt Adkin and TSgt Nadeau, 13AF IGS and special invited members Lt Col Garred, U.S. Army Ground Defense Advisor 7AF IGS and MSgt Ryan USAF 7AF IGS.

Survey of Base Defensive Posture is to include but not necessarily limit to: A. Area Defense Command Control B. Base Defense Command Control C. Base Defense Equipment D. Base Defense Manpower E. Base Defense Operations/Plans F. Base Defense Physical Barrier Program G. Base Defense Tactical Support H. Base Defense Passive Defense Measures

[Administrative concerns of this team is omitted.]

So far survey at Udorn and NKP has brought forth three major problem areas which require action by 13AF staff. Number One—[ammunition issues, and attempts to correct are omitted]. Second problem encountered at both bases is shortages of security police and Thai guard personnel. Third problem is an almost total lack of adequate physical aids i.e. fence, perimeter lights, towers, perimeter roads etc.

[The rest of the message deals with manning corrections and are omitted here.]

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[NOTE: No mention of vegetation control was made in this message of this survey team.]

Extract, Supporting Document 74, Message, 56 Combat Support Group (BSP), Major William D. Patton, US Army to Commanding Officer, Detachment 2, ARAG/JUSMAGT, Korat, 4 August 1968:

1. A USAF Security Team from 7/13 AF visited the NKP Air Base during the period 2 through 4 August. Team was composed of Lt Col Garred (US Army), Lt Col Rochelle and three NCO’s (USAF). The purpose of their visit was to conduct an inspection of the internal security system of the base and to report their findings and recommendations to the Deputy Commanding General, 7/13 AF (Udorn).

2. Omitted.

3. During the above mentioned visit, CO Det II directed me to conduct a study and forward him my recommendations as to what assistance should be provided by 2D Army (FWD). I am presently unable to provide a realistic evaluation or recommendation for the following Reasons:

A. Omitted.

B. The basic problem as pertains to the defense of the base is one of internal defense. The following reasons are cited:

1. Observation and fields of fire are restricted because of the poor positioning of weapons, absence of observation towers, lack of defoliation and poor illumination.

Supporting Document 84, Message, Deputy Commander, 7/13AF Udorn to AIG 7296, 1 August 1968, Subject: Thailand Security Program:

For: Senior Commanders all 7/13AF Bases in Thailand. Insure that immediate action is taken to evaluate and submit in one package to 13AF (DCE) with information copies to this HQ’s and 13AF IGS requirements for fencing and lighting of base perimeter and resource area boundaries, and all weather base perimeter and feeder access roads. Where appropriate, multiple fencing will be programmed around base perimeters. These packages will in effect consolidate all previous requests for physical aids and include any new requirements of PACAFM 207-25. Forward packages so as to arrive HQ 13AF NLT 15 Aug 68.

[NOTE: Again the Deputy Commander for 7/13th Air Force is spelling out the priorities for air base defense in Thailand. Note that there is no mention of vegetation control. However, just a couple of weeks later, the Deputy Commander for 7/13th Air Force notified Nakhon Phanom of a Thai General Officer visiting NKP for the express purpose of reviewing foliage control at NKP, see below:]

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Supporting Document 86, Message, Deputy Commander for 7/13AF, Udorn, to 56th Combat Support Group NKP, Subject: Visit of Lt Gen Kriangsak, 14 August 1968:

Lt Gen Kriangsak is visiting your base Friday 16 Aug 68. He favors clearing heavy wooded areas around base. Request you be prepared to brief Gen Kriangsak and Gen Seith on requirements, specifically:

(1) Prepare a map designating those areas you desired cleared of woods or brush. (2) Designate clear zones or restricted areas where night curfew is to be imposed. (3) Take action to surround curfew zone and cleared zone with concertina. (4) Be prepared to discuss defense facilities and base defenses plan. (5) Plan helicopter tour for Lt Gen Kriangsak and Maj Gen Seith so areas can be reviewed from air and correlated with map.

[NOTE: In addition to the above visitors, a Base Defense Study Group composed of both Thai and US members were coming to Nakhon Phanom along with Lt Gen Kriansak (or Krigsad, depending upon which message you review). 7/13th Air Force Information Office informed NKP of this additional group with the following:]

Supporting Document 87, Message, 7/13th Air Force Information Office, Bangkok Thailand to 56 Special Operations Wing, Nakhon Phanom Airport, Thailand, Subject: Base Defense Study Groups, 17 August 1968:

For: Command & Protocol at 56 Special Operations Wg, Deputy Commander Protocol and MDC at 7/13 AF.

Subject group will be visiting your base in two groups. First group consisting of Col Sonsak, Supreme Command Headquarters Forward J3, Capt Puchong, Supreme Command Headquarters, Forward J2, Lt Col Kirkwood, MACTAHI J3, Maj Halleburton, MACTAHI J2, and Capt Cary, MACTAHI J2. Will arrive 19 Aug at 1430 via C-130. Will Stay for six days.

Second group consisting of Lt Gen Krisad, Deputy Chairman, Joint Chief of Staff, National Security Command, Supreme Command Headquarters, Lt Gen Kamjon, Supreme Command Headquarters Forward Attached, Mr. Stokes, American Embassy SA/C1, Brig Gen Baer, Dep COMUSMACTHAI, Col Vibul, Supreme Command Headquarters Forward J3, Col Pradas, Supreme Command Headquarters Forward J2, Lt Col Adams, American Embassy, Pomil, and MAF Edgenaisson MACTHAI SJS will arrive 20 Aug at 0930 via U-21.

Departure time unknown.

[NOTE: The anticipated visit came, and the Wing Commander provided the 1/13th Air Force Deputy Commander a report on how it went. See below:]

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Supporting Document 85, Message, 56th Special Operations Wing Commander, Colonel Roland K. McCoskrie to Deputy Commander, 7/13th Air Force, Subject: Jungle Clearance NKP RTAFB, 21 August 1968:

Reference conversations Lieutenant General Kriangsak, Major General Seith and Colonel McCoskrie, 20 August 1968, following is local estimate of scope of project for clearing of jungle inside the fence at NKP RTAFB.

A. There are approximately 850 acres to be cleared. B. Based on a 120 day performance time: 750 local nationals including 30 working leaders. 40 NCOs, grounds maintenance and equipment operators (if rental equipment is furnished with operators, can be reduced to 30). 20 Dump Trucks. 6 Dozers with discs and drags (D-6 size). C. This force could clear all scrub, underbrush, and small trees including disposal by burning of all removed debris. D. Cost estimate: 750 LNS $72,000, 40 NCOs $76,800, 20 trucks $48,000, 6 D-6 Dozers $45,000, supplies, tools and equipment $11,000, for a total of $252,800. Adding 10 per cent contingency of $25,280, the Grand Total is $278,080.

This project would be over and above present construction and maintenance programs. Subject to your concurrence we are preparing a priority O&M project for submission to 13AF for overhire authority and funds to perform this work. The 30-40 NCO supervisors and equipment operators are additive to our present BCE and/or Red Horse strength. In the meantime we will initiate the project using Red Horse labor and equipment on days when weather prohibits other work.

[NOTE: As can be seen from the above messages, the attack on Udorn was a ‘wake-up call’ to all Thai bases to strengthen the physical barriers around their bases. Higher Headquarters emphasized the fences, lighting, road systems and bunkers as the most immediate needs, and foliage control seems to be a distant last in this order of precedence. However, a service contract was let for local nationals to cut and clear away vegetation. The de-emphasis on vegetation control may stem from the fact that it was under contract to clear and a visiting Red Horse Rapid Engineering Deployment, Heavy Operational [or overseas] Repair Squadron, Engineer; team of civil engineer specialists deployed to work at an air base on large construction projects. Therefore the uniformed personnel of the 56th Special Operations Wing did not appear to pay it much attention as someone else (Red Horse and local contractors) appeared to be taking care of that particular aspect of the base security situation.]

56th Special Operations Wing, October through December 1968, Volume 1 (AFHRA Call Number K-WG-56-HI, Oct-Dec 1968, V. 1, IRIS Number 451126):

Page 94, Facilities: The vegetation control project which was started last quarter as a security measure continued throughout this quarter.

By the end of December the clearing for security fence around the base was 80 per cent complete. Red Horse reported that three per cent of the work had been

74 completed for the roads, five per cent for the fence and four per cent for the lights.

[NOTE: A Rapid Engineering Deployment, Heavy Operational [or overseas] Repair Squadron, Engineer; team of civil engineer specialists deployed to work at an air base on large construction projects, and a local contract had been let and local nationals were cutting and clearing away the vegetation. See the July through September 1968 history, above for more details. However, Red Horse was clearing the jungle away to erect a perimeter fence, since none was present at this time, not to remove vegetation from a fence. Therefore, cutting and grading were the means to accomplish this, not using herbicides.]

Tab K, Historical Data Record, 56th Civil Engineering Squadron, Oct-Dec 1968:

Page 3, Base Civil Engineer Equipment:

Type Vehicle Quantity Sprayer & Duster 2

Page 5, Facility Construction Status: Cons % Est. Qtr. Facility Scope Compl Compl Calendar

Security Package (Perimeter) LS See Below Security Lights, Perimeter LS 0% 2/69 Security Roads, Perimeter LS 10% 1/69 Security Fence, Perimeter LS 0% 1/69

Page 14, Narrative: In the area of security a vegetation control plan to clear the base perimeter is being accomplished. Work is by Red Horse and contract.

Tab L, Historical Data Record, 56th Security Police Squadron, Oct-Dec 1968:

[NOTE: No mention of any perimeter issues in this unit history.]

56th Special Operations Wing, January through March 1969, Volume 1 (AFHRA Call Number K-WG-56-HI, Jan-Mar 1969, V. 1, IRIS Number 451128):

Page 99, Facilities: A jungle clearance project was started 7 March. The project encompassed 885 acres and included clearing vegetation inside the base perimeter. Chemical treatment to the cleared area was planned to help control future growth. The work was contracted.

Page 100: The overall base security project was approximately 40 per cent completed by the end of the reporting period. The project included roads, guard towers, fencing and lights. The road was approximately 45 per cent completed at the end of the quarter. Half of the prefabricated guard towers were in position. Completion of the project was not expected before the end of the rainy season.

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Page 102, Security: The primary mission of the 56th Security Police Squadron was to prevent close-in enemy reconnaissance, infiltration, raids, ambushes, and attacks by guerrilla or other insurgent groups. The squadron was also responsible for containing enemy forces which might penetrate the base areas and to destroy the enemy by counterattack.

Page 103: During January, security police erected an additional 16 hardened bunkers on the north perimeter. The north, south and east perimeters were cleared of jungle vegetation a minimum distance of 300 feet to effect optimum fields of fire for bunker positions. Also overlapping K-9 patrols were utilized in resources protection.

A review of base perimeter defenses was made in February to include evaluation of additional land acquisition for in-depth defense of Task Force Alpha. This project was funded and approved by Thirteenth Air Force and incorporated into existing perimeter physical security.

[NOTE: As seen from the above, the jungle was ‘cleared’ so weapons located in bunkers near the perimeter could have a clear view to acquire enemy targets. This would require a quick removal of foliage, not the slow process and dead debris that herbicides would leave. Since a Red Horse unit was involved (a unit with large equipment), the quick way to solve the problem would have been through the use of bulldozers and graders.]

Page 105: A total of 129 bunkers were constructed by security police personnel during this quarter on the base perimeter. Four more were projected. Also five perimeter towers were built by Red Horse. Three more were planned.

Tab K, Historical Data Record, 56th Civil Engineering Squadron, Jan-Mar 1969:

Page 2, Mission: The primary mission of the 56th Civil Engineering Squadron is to acquire, construct, maintain, and operate real property facilities at Nakhon Phanom RTAFB and Mukdahan Air Station and provide related management, engineering, and other support work and services. The most significant examples which are included in the mission are to: a. Maintain all structures, roads, ditches, sidewalks, airfields, fences, and surrounding wooded areas. i. Provide for insect and rodent control.

Page 6, Base Civil Engineer Equipment:

Type Vehicle Quantity Sprayer & Duster 2

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Page 11, Facility Construction Status: Cons % Est. Qtr. Facility Scope Compl Compl Calendar

Security Package (Perimeter) LS See Below Security Lights, Perimeter LS 0% Unk Security Fence, Perimeter LS 0% Unk Security Roads, Perimeter LS 10% 2/69

Page 29, Jungle Clearance: This project was started on 7 March 69; estimated completion date is 6 July 69. This project encompasses 885 acres and will clear vegetation inside the base perimeter; Trees with a diameter of eight inches or more will be left standing. A chemical treatment to the cleared area will help control future growth. This project is being accomplished by contract.

[NOTE: No mention of Red Horse in the above.]

Page 30, Security Package: The base security project is approximately 40 per cent complete. This project includes roads, guard towers, fencing, and lights. The road is approximately 45 per cent complete and half of the prefabricated guard towers are in position. The Road and Guard towers will be completed before the rain but the leveling and installation of the fence lines may be deferred until the next construction season.

Tab L, Historical Data Record, 56th Security Police Squadron:

Page 3, Narrative: A total of 129 bunkers were constructed by Security Police personnel on the Base perimeter. Four more are projected.

Five perimeter Towers were built by Red Horse. Three more are projected.

[NOTE: No mention in the Security Police Squadron unit history of vegetation control.]

56th Special Operations Wing, January through March 1969, Volume 2 (AFHRA Call Number K-WG-56-HI, Jan-Mar 1969, V. 2, IRIS Number 451129):

Supporting Document 42, Message, 56 CMBT SPT GP, Nakhon Phanom RTAFB Thai to 7/13AF, Udorn RTAFB, Thai, Subject: Base Security Council, drafted 13 January 1970, sent 14 January 1970:

1. OPLAN207-69 approved by 13th AF (IGS). Received 60 rounds of 90 mm ammunition. Security police erected an additional 16 hardened bunkers on the north perimeter. The north, south and east perimeter has been cleared of jungle vegetation a minimum distance of 300 feet to effect optimum fields of fire for bunker positions. Overlapping K-9 patrols are being utilized in resource protection. Base commander and chief of security police are coordinating joint defense plans with Thai military authorities. Security police

77 trained 83 Royal Thai AF infantry personnel in tactics and weapons qualification on M-16 and M-60 (Completed 21 Dec 68).

[Rest of message omitted as it does not address perimeter foliage issues.]

Supporting Document 43, Message, 56 CMBT SPT GP, Nakhon Phanom RTAFB Thai to 7/13AF, Udorn RTAFB, Thai, Subject: Base Security Council, 11 February 1970:

1. A review of base perimeter defenses was made to include evaluation of additional land acquisition for in-depth defense of Task Force Alpha. This project funded and approved by 13AF and incorporated into existing perimeter physical security aids package previously approved. Perimeter road construction is progressing satisfactorily. Fencing and lighting installation is not presently underway due to lack of material. Red Horse commander is attempting to expedite materials thru DCM channels.

[Rest of message omitted as it does not address perimeter foliage issues.]

[NOTE: At various times in this history it is noted that ‘chemicals’ is being put down by the Thai contractors to control vegetation growth. Unfortunately, it does not state what type of chemicals, but since it is a contract with a Thai company, it would have been something that they could procure on their own, which points to commercially available in Thailand type of vegetation control. Also note that construction around the perimeter fence has slowed down due to lack of materials.]

Thirteenth Air Force, 1 July 1968 through 30 June 1969, Volume 1 (AFHRA Call Number K750.01, FY 1969 (1 Jul 68-30 Jun 69), Vol 1, IRIS Number 899069):

[NOTE: After the attack on Udorn in July 1968, efforts were made to improve base defense in Thailand. The below entry concerns Thailand as a whole as of 28 April 1969:]

Page I-244, Base Defense: Other improvements in the defense posture were authorization for 303 sentry dogs, steps toward a complete conversion of the commercial vehicle fleet to M- Series vehicles; conversion from a single-channel non-tactical network to a dual- channel system; improved weapons inventory including arming all Thai guards with M-16 rifles. Other beneficial steps were constructing physical security aids such as bunkers, gun emplacements, erecting 368,531 linear feet of fixed fortification fencing, and defoliation of perimeter areas.

Thirteenth Air Force, 1 July 1968 through 30 June 1969, Volume 4 (AFHRA Call Number K750.01, FY 1969 (1 Jul 68-30 Jun 69), Vol 4, IRIS Number 899072):

Supporting Document 184, Message, HQ 13AF to CINCPACAF/Commander, 281130Z April 1969, Subject: Base Defense/Security – Thailand:

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Page 4 of 5, paragraph 6 d: Defoliation is underway and in various stages of completion.

[NOTE: As can be seen, with only one sentence out of five pages of this message, vegetation control did not merit much discussion. To clear the areas near the perimeter fences quickly to afford a defensive advantage, the foliage would have to be removed quickly. Herbicides do not do this as the debris is still required to be removed. Initial vegetation control was most likely conducted by mowing, cutting, burning, bull-dozing or use of other heavy equipment like road graders.]

56th Special Operations Wing, April through June 1969, Volume 1 (AFHRA Call Number K-WG-56-HI, Apr-Jun 1969, V. 1, IRIS Number 451130):

Page 104, Facilities: The monsoon season which began in May brought problems involving airfield drainage and erosion. These problems were expected to continue throughout the monsoon season and continued efforts were made to identify work to be accomplished during the upcoming dry season [starting in the fall].

Page 109, Security: Six more perimeter towers were built during this quarter making a total of eleven.

Page 110: On 2 June a Thai guard [Par San Korta] was accidentally killed when a bunker [A-34] collapsed on him during heavy rains. Both Thai guards and security police personnel attended the cremation ceremonies held in Khon Kean.

Following this accident, base civil engineers inspected remaining bunkers. As a result all existing roofs were removed. All bunkers scheduled for modification were to be inspected by civil engineers prior to security police acceptances. Daily inspections by security supervisors of all existing bunkers was conducted. Modifications were expected to be completed early next quarter.

[NOTE: The above is included to illustrate the arrival of the monsoon rains and that herbicide treatment would not have been utilized as it would have been ineffective in such rainy weather.]

Tab K, Historical Data Record, 56th Civil Engineering Squadron, Apr-Jun 1969:

Page 6, Base Civil Engineer Equipment:

Type Vehicle Quantity Sprayer & Duster 2

Page 11, Facility Construction Status: Cons % Est. Qtr. Facility Scope Compl Compl Calendar

Security Package (Perimeter) LS See Below Security Lights, Perimeter LS 0% 4/69

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Security Fence, Perimeter LS 0% 3/69 Security Roads, Perimeter LS 10% 3/69

Page 20, Narrative: This quarter marked the end of the fiscal year.

Page 22, Perimeter Guard Towers 67 SMCP: Eleven guard towers have been completed as of the end of June The security guards have moved in and are using these facilities.

[NOTE: No mention of the vegetation control around the perimeter fence area in this history. Notice that the construction season starts around October and ends around May, stopped by heavy monsoon rains.]

Tab L, Historical Data Record, 56th Security Police Squadron, Apr-Jun 1969:

Page 4, Narrative: Six (6) more perimeter towers were built during this quarter making the total, eleven (11).

56th Special Operations Wing, July through September 1969, Volume 1 (AFHRA Call Number K-WG-56-HI, Jul-Sep 1969, V. 1, IRIS Number 451132):

Page 110, Security: Also during this quarter, a system of setting up trip flares and a daily check by the SAT in the area was initiated on the base perimeter fence.

[NOTE: No mention of vegetation control in this history.]

Tab K, Historical Data Record, 56th Civil Engineering Squadron, Jul-Aug 1969:

Mission: The primary mission of the 56th Civil Engineering Squadron is to acquire, construct, maintain, and operate real property facilities at Nakhon Phanom RTAFB and Mukdahan Air Station and provide related management, engineering, and other support work and services. The most significant examples which are included in the mission are to: a. Maintain all structures, roads, ditches, sidewalks, airfields, fences, and surrounding wooded areas. i. Provide for insect and rodent control.

Base Civil Engineer Equipment:

Type Vehicle Quantity Sprayer & Duster 2

Facility Construction Status: Cons % Est. Qtr. Facility Scope Compl Compl Calendar

80

Security Package (Perimeter) LS See Below Security Lights, Perimeter LS 8 4/69 Security Roads, Perimeter LS 92 3/69 Security Fence, Perimeter LS 80 3/69

O&M Projects Accomplished by Contract:

Cons % Est. Qtr. Facility Scope Compl Compl Calendar

Const Storage Bldg, Toxic Chemical 450 SF 55 3/69

Major Projects Under Construction: Perimeter security road, lights & fence, FY 67 SMCP, by Red Horse estimated completion Nov 69.

During the period of July-August 1969, progress on all exterior work was hampered due to unusually high amounts of rain. The adequacy of the airfield drainage was severely tested and proved capable of handling a large quantity of water in a short period of time (Approximately four inches in less than an hour). There was considerable erosion in some of the drainage structures and sand bagging was required. The large quantities of rain did take their toll on the base streets. Base course failure was extensive and major repairs are required.

While the rains did have a devastating effect in many areas, they aided in base beautification. Barren areas were seeded and fertilized which will eliminate dust during the next dry season and mud during the monsoons. In addition, contracts were let to sod many areas where erosion was a continuing problem and shrubs and trees were planted to make the base more attractive.

Historical Data Record, 56th Civil Engineering Squadron, Sep 1969:

Mission: No change.

Facility Construction Status: Cons % Est. Qtr. Facility Scope Compl Compl Calendar

Security Package (Perimeter) LS See Below Security Lights, Perimeter LS 15 4/69 Security Roads, Perimeter LS 94 4/69 Security Fence, Perimeter LS 98 4/69

O&M Projects Accomplished by Contract:

Cons % Est. Qtr. Facility Scope Compl Compl Calendar

81

Const Storage Bldg, Toxic Chemical 450 SF 100 3/69

Completed Projects: Toxic Chemical Storage Building: The 450 SF [square foot] building was completed on 20 Sep 69. It will aid the Civil Engineering Entomology Shop by allowing additional storage space for chemicals.

Commander’s Conclusions: The monsoon rains tapered off during the month of September permitting a resumption of horizontal work. The projects designed to enhance the beauty of the base progressed rapidly. NKP shall soon forget the rather unpleasant days of old when everywhere one looked, he saw only red dust or red mud. The sodding and shrubbery works and the painting of numerous buildings have given the base a new face.

Tab L, Historical Data Record, 56th Security Police Squadron, Jul-Aug 1969:

Mission: To prevent close in enemy reconnaissance, infiltration, raids, ambushes, and attacks by guerrilla or other insurgent groups; to contain enemy forces which have penetrated the airbase areas and to destroy the enemy by counter attack.

Page 2, Narrative: A system of setting up trip flares and a daily check sheet by the SAT in the area was initiated on the base perimeter fence. In conjunction with the modification of the perimeter bunkers, discarded ammo boxes were dismantled and the wood was used to put roof on the modified bunkers.

Historical Data Record, 56th Security Police Squadron, Sep 1969:

Mission: no change.

Page 2, Narrative: During the month of Sep 69, the following physical security aids were constructed through Self-Help projects by the Security Police. All materials used for these projects was salvage material, therefore keeping all costs to an absolute minimum.

a. A total of nine bunkers were built on the outside perimeter of the MMS area as close-in-defenses. b. A total of six guard shacks were constructed for the Entry Control Points to the Flight Line as close-in-defenses.

432nd Tactical Reconnaissance Wing, July through September 1969, Volume 2 (AFHRA Call Number K-WG-432-HI, Jul-Sep 1969, V. 2, IRIS Number 457857):

Supporting Document 88, Thirteenth Air Force Security Defense Survey, signed by Colonel T.L. Simpson, dated 19 September 1969, to 8, 56, 355, 388, 432, and 635 Combat Support Groups:

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Page 1, paragraph 1: A defense survey was conducted at Ubon RTAFB, NKP TRAFB, Udorn RTAFB, Takhli RTAFB, U-Tapao RTNB, and Korat RTAFB, Thailand during the period 23-30 June 1969. Survey team members were Major D.E. Clemente, Civil Engineering Officer, AFRCE Thai, and Captain F. Capone, Security Police Officer, 13AF (IGS). The purpose of the survey was to reassess the 1968 security package, identify additional requirements for perimeter defense security facilities, and to assess the impact of Red Horse withdrawal on security construction programs.

Page 2, General comments on base defense security facilities, paragraph d: A continuing vegetation control program is required for cleared areas under and between perimeter security fences. The area between the fences is intended to be used as a no-man’s land with additional detection and deterrent devices such as trip flares, TSSE, tangle-foot, etc. being employed within. In view of the above, a mowing operation for vegetation control will be impossible. As a result, a conscientiously controlled program of vegetation control through the use of herbicides must be applied. Application of herbicides must be directed toward retarding growth to provide a cleared area, but under no circumstances should the type or quantity applied result in destruction of root structure so as to create a serious erosion problem. Additionally, remaining growth should be of sufficient height so as to provide camouflage for detection and deterrent devices planted in the cleared area.

56th Special Operations Wing, October through December 1969, Volume 1 (AFHRA Call Number K-WG-56-HI, Oct-Dec 1969, V. 1, IRIS Number 451134):

Page 209, Facilities: October saw the completion of a perimeter security fence on 1 October. The double fence runs around the entire base, a distance of approximately 10 miles, and will aid the security police in the protection of the installation.

Page 212: Assistance was requested from Thirteenth Air Force to procure the services of RANCH-HAND to defoliate the ordnance drop area. Herbicides available here were of a sterilant type and could not be used. Application must be by air because the area is overgrown and ground application would be extremely dangerous due to live munitions in the area.

[NOTE: See text of complete message in Volume 4, below.]

Page 213: During November, it was requested that two TD-20 dozers be provided to the 56th Civil Engineering Squadron [Nakhon Phanom] by the 355th Civil Engineering Squadron [Takhli] for a period of six months staring on 1 December. These dozers were required to grade the perimeter area of the base for security purposes. Work would require four dozers for a period of six months. Two rental dozers were required in addition to these two TD-20s to permit completion of the perimeter security area and other essential earth work on the airfield and adjoining areas.

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[NOTE: The above shows the primary means of vegetation control—the removal of vegetation by bull dozers from around the perimeter fence area for security purposes. See below for the full text of the message in Volume 4.]

International Harvester TD-20 Bulldozer during construction at Phu Cat Air Base, Vietnam in April 1967, operated by member of the 819th Civil Engineering Squadron (RED HORSE). This was the type of bulldozer the 56th CES was requesting at NKP for vegetation control.

Page 219, Security: Lt. Col. O.D. Steffey from PACAF (IGS) conducted a staff assistance visit between 20 and 21 October. He made several recommendations to improve the security posture of the base to include (a) modification of guard towers to better protect the sentry; (b) additional vegetation control to provide sentries clear line of vision by removing obstructions in addition to denying hostile forces any concealment; and (c) installation of additional concertina wire safeguards along the perimeter and bunker line to provide additional physical safeguards for both the base and sentries alike.

[NOTE: The above entry shows that vegetation control is still not being done, or not being done very well, as higher headquarters keeps bringing the topic to the base’s attention. The staff assistance visit is in late October, and by 26 November 1969, the base is asking for bulldozers to clear the perimeter area for security purposes. The following message is included in the 56th SOW history:

Supporting Document 117, Message, 56th combat Support Group [Civil Engineering] to 13AF/DCEM/Clark AB Philippines [Civil Engineering], and 355th

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Combat Support Group/BCE [Civil Engineering], Takhli RTAFB, Thailand, 26 November 1969:

Subject: TD-20 Dozers for NKP

1. Request two TC-20 dozers be provided to 56 CES by the 355 CES for a period of six months staring on 1 Dec 69. 2. These dozers are required to grade the perimeter a4rea of the base for security purposes. Work will require four dozers for a period of six months. 3. Two rental dozers will be required in addition to the two TD-20’s to permit completion of the perimeter security area and other essential earth work on the airfield and adjoining areas. 4. Paragraphs 1 and 2 above confirm telecom between your Captain Delph and our Sgt Leslie, 24 Nov 69.

Signed

Harry H. Magazu, Lt Col, USAF Chief, Programs Division

And

George R. Grube, Lt Col, USAF Base Civil Engineer

NOTE: The above entries for the October through December 1969 time period show that cutting and scraping the vegetation was the method used in controlling the foliage around the base perimeter fence. Although Agent Orange was discussed as a means to clear a bomb drop area, there is no evidence that the request was honored and clearly shows that Tactical Herbicides were not available to Nakhon Phanom.]

[NOTE: The above request for bulldozers was honored, as can be seen from the 355th Tactical Fighter Wing’s October through December 1969 history, which includes all of the message traffic the Dozers generated:

355th Tactical Reconnaissance Wing, October through December 1969, Volume 2 (AFHRA Call Number K-WG-335-HI, Oct-Dec 1969, V. 2, IRIS Number 456443):

Historical Data Record, 355th Civil Engineering Squadron, Oct-Dec 1969:

Page 11: On 25 Nov 69 a message was received from the 56th CSG at Nakhon Phanom RTAFB requesting the loan of two TD-20 dozers to be used on the perimeter security project at that base. On 2 Dec 69 a message was received from 13AF directing that these dozers be shipped to NKP as soon as possible. The dozers were shipped approximately 13 Dec 69.

Attachment 24, Message, 251034Z Nov 69

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From 56 CMBTSPTGP Nakhon Phanom Aprt Thai To RUMMWKA/13AF/DCEM/Clark Subject: TD-20 Dozers for NKP

1. Request two TD-20 dozers be provided to 56 CES by the 355 CES for a period of six months staring on 1 Dec 69.

2. These dozers are required to grade the perimeter area of the base for security purposes. Work will required four dozers for a period of six months.

3. Two rental dozers will be required in addition to the two TD-20’s to permit completion of the perimeter security area and other essential earth work on the airfield and adjoining areas.

4. Paragraph 1 and 2 above confirm TELECON between your Captain Delph and our Sgt Leslie, 24 Nov 69. BT #3596

Attachment 25, Message, 280540Z Nov 69 From 355 CMBATSPTGP Takhli AB Thailand To 13AF/DCEM/Clark AB Phil Subject: TD-20 Dozers for NKP (56 CSG, BCEP Msg, 2510342Z Nov 69)

Two (2) each TD-20 Dozers will be available for loan/shipment on 29 Nov 69.

Attachment 26, Message, 020705Z Dec 69 From 13AF, Clark AB Phil To RUMOREA/56CSG BCE NKP Aprt Thai Subject: TD 20 Dozers for NKP

Ref. A. 56/BCE/MSG 251034Z Nov 69 Same Subj. B. 355/BCE/MSG 281100Z Nov 69 Same Subj.

Ref (B) indicates that Ref (A) req for loan of 2 EA TD-20 Dozers for 6 months can be provided. Upon completion of hand receipt action transportation should be arranged by 56/BCE. Req this HQ (DCEM) be advised when Dozers arrive NKP. BT #0485]

[NOTE: Again, the above shows that NKP did not have any herbicides available and for quick action, relied on bulldozers to clear the vegetation from around the base.]

56th Special Operations Wing, October through December 1969, Volume 2 (AFHRA Call Number K-WG-56-HI, Oct-Dec 1969, V. 2, IRIS Number 451135):

Tab K, Historical Data Record, 56th Civil Engineering Squadron, October 1969:

The primary mission of the 56th Civil Engineering Squadron is to acquire, construct, maintain, and operate real property facilities at Nakhon Phanom RTAFB and Mukdahan Air Station and provide related management,

86 engineering, and other support work and services. The most significant examples which are included in the mission are to: a. Maintain all structures, roads, ditches, sidewalks, airfields, fences, and surrounding wooded areas. i. Provide for insect and rodent control.

Facility Construction Status: Cons % Est. Qtr. Facility Scope Compl Compl Calendar

Security Package (Perimeter) LS See Below Security Lights, Perimeter LS 15 4/69 Security Roads, Perimeter LS 94 4/69 Security Fence, Perimeter LS 100 4/69

Completed Projects: FY 67 SMCP Project: A perimeter security fence was completed 1 Oct 69. It is a double fence that runs around the entire base, a distance of approximately 10 miles. The fence will aid the Security Police in protecting the base.

Commander’s Conclusion: A considerable effort was expended this past month in getting ready for the turnover of Red Horse construction projects to the Army (Company B, 809 Engineering Battalion) and a Red Horse Detachment from RVN.

Historical Data Record, 56th Civil Engineering Squadron, November 1969:

Commander’s Conclusions: During this past month our efforts were concentrated on the finalization of transferring construction projects from Red Horse to the Army (Company B, 809 Engineering Battalion) and PACAF Prime Beef Team #5 from RVN.

Historical Data Record, 56th Civil Engineering Squadron, December 1969:

Commander’s Conclusions: Work was started on the perimeter security package, water and sewage mains, an aircraft maintenance facility and the primary power distribution system.

Complete clearing of the area between the perimeter security fences was started this month and the [Civil Engineering Squadron] shops have worked in an outstanding manner. The efforts are paying off and when completed any intruder will have to expose himself if entry is to be made.

[NOTE: It appears that vegetation control at the perimeter fence at Nakhon Phanom was the use of the TD-20 Bulldozers that effected a “complete clearing” near the perimeter fences. No hint of herbicide use is found in this history.]

Tab L, Historical Data Record, 56th Security Police Squadron, October 1969:

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Mission: To prevent close in enemy reconnaissance, infiltration, raids, ambushes, and attacks by guerrilla or other insurgent groups; to contain enemy forces which have penetrated the airbase areas and to destroy the enemy by counter attack.

Page 6, Air Base Defense: On 7 Oct 69, the grass cutting on the perimeter was started.

Page 7, Chief Security Police: Lt Col O.D. Steffey from PACAF (IGS) Office conducted a staff Assistance Visit of the 56th Security Police Squadron between 20 and 21 Oct 69. He made several recommendations to improve the security posture of the base to include (i) modification of guard towers to better protect the sentry; (ii) additional vegetation control to provide sentries clear line of vision by removing obstructions in addition to denying hostile forces any concealment; and (iii) installation of additional concertina wire safeguards along the perimeter and bunker line top provide additional physical safeguards for both the base and sentries alike.

Historical Data Record, 56th Security Police Squadron, November 1969:

Page 2, Narrative: Concertina wire was strung from the main gate up to the south end of the flight line thus closing a vulnerable area at the entrance to the base.

Page 3: A civilian contract for cutting the tall grass along the perimeter was completed. This improved the observation of the external portion of the base and insures better security of the internal area.

[NOTE: Coupled with the use of bulldozers, this civilian contract to mow the grass around the perimeter adds to the evidence that herbicides were not used at Nakhon Phanom at this time.]

Historical Data Record, 56th Security Police Squadron, December 1969:

[NOTE: No mention of perimeter fence or vegetation control issues in this history.]

56th Special Operations Wing, October through December 1969, Volume 4 (AFHRA Call Number K-WG-56-HI, Oct-Dec 1969, V. 4, IRIS Number 451137):

Supporting Document 116:

Message, 1022Z hours, 7 November 1969 (Originally Classified Confidential, now declassified) From: 56th Combat Support Group, Nakhon Phanom Royal Thai Air Force Base, Thailand To: Thirteenth Air Force/ DCEM (Deputy Chief of Staff, Civil Engineering, M), Clark Air Force Base, Philippines Information Copies to: 7/13th Air Forces, Udorn Air Force Base, Thailand and AFRCE-Thai, Bangkok Thailand

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Subject: Jungle Clearance of Ordnance Drop Area (Unclassified Title) Previous Messages This Message is in Reference to: 56th Combat Support Group/Base Civil Engineer/456 MMS-E (originally classified Confidential), 0755Z hours, 30 October 1969; and 13th Air Force Deputy Chief of Staff, Civil Engineering M, Message of 0235Z hours, 6 November 1969.

Request assistance to procure services of Ranch-Hand to defoliate the ordnance drop area. Herbicides available are of sterilant type and cannot be used. Application must be by air because area is overgrown and ground application would be extremely dangerous due to live munitions in the area.

(Downgrade this message in accordance with Group 4 declassification procedures—downgrade at three year intervals until declassified after 12 years).

Signed by George R. Grube, Lieutenant Colonel, USAF, Base Civil Engineer

[NOTE: The above proves that NKP did not have any Tactical Herbicides, but when they believed they needed them, they had to ask for them from the only USAF organization that had Tactical Herbicides—Ranch Hand in Vietnam. Following the 56th Special Operations Wing histories through September 1970, the topic of spraying the ordnance drop area by Ranch Hand operations is not brought up again. This would insinuate a denial of the request.

Thirteenth Air Force Chain of Command Summary: A review of the Thirteenth Air Force histories for the July 1969 through June 1971 period failed to find any mention of the 56th Civil Engineering Squadron commander’s request for aerial spraying of defoliant. In fact, there is no mention of any herbicide plans or operations in the histories. Consequently, there is no copy of any response to the 56th Civil Engineering Squadron’s request contained within these histories.

Seventh/Thirteenth Air Force Chain of Command: A courtesy copy of the 56th Civil Engineering Squadron Commander’s request for aerial spraying of herbicides on the ordnance drop area was sent to 7/13 Air Force at Udorn, so a review of that combined organization’s histories was also conducted.

Summary of Seventh/Thirteenth Air Force Chain of Command Research: There is no discussion in the histories, nor any supporting documents, concerned with the proposed plan to use Ranch Hand aerial spraying of herbicides for vegetation control at the ordnance drop area of Nakhon Phanom Royal Thai Air Force Base, Thailand. There is no doubt that the request was made, but it does not appear that it was followed up, and therefore insinuates that the request was not acted upon. A review of all of the 1969 and 1970 Seventh/Thirteenth Air Force histories do not reveal any undertakings to clear Nakhon Phonom’s ordnance drop zone area with aerial spraying of herbicides.

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Seventh Air Force Chain of Command: Since the Thirteenth Air Force did not have Agent Orange, Orange II, White, Blue, Pink, Green, Purple, Pink-Green, or Trinoxol or Dinoxol available, that organization would have to turn to the Seventh Air Force to obtain and conduct the aerial spraying in Thailand. Therefore, research was conducted in the following Seventh Air Force organizational histories for any clues of conducting Herbicide spraying in Thailand.

12th Special Operations Squadron: A review of the 12th Special Operations Squadron histories, appended to the 315th Special Operations Wing history for the October through December 1969 period (AFHRA Call Number K-WG-315-HI, Oct-Dec 1969, IRIS Number 455449), does not mention any missions to Thailand. This would insinuate that the 56th Civil Engineering Squadron’s request was never received by the one organization that actually conducted aerial herbicide spraying.

A review of all 12th Special Operations Squadron histories, from October 1969 through June 1970, failed to find any mention of any aerial spraying of herbicides in Thailand. On 19 April 1970, the order was issued to cease all defoliation missions using Agent Orange. Since orange was no longer available, all defoliation missions previous planned for this herbicide mixture had to be shifted to Agent White. On 9 May 1970 the squadron suspended all defoliation missions. On 7 January 1971, all crop destruction aerial spraying was stopped.—See “Operation Ranch Hand, The Air Force and Herbicides in Southeast Asia, 1961-1971” by William A. Buckingham, JR., Page 167 and 175.

Since the 12th SOS, 315th Special Operations Wing were subordinate to the Seventh Air Force, a review of the Seventh Air Force Civil Engineering histories for the January through December 1969 time period (AFHRA Call Number K740.07, Jan- Dec 1969, Vol. 1, IRIS Number 524230, CE Section) was undertaken. It does not make any mention of the plan to spray an ordnance drop area by Ranch Hand operations.

A review of the Seventh Air Force Deputy Chief of Staff for Plans historical reports for the January through December 1969 period failed to uncover any mention of Ranch Hand operations in Thailand (AFHRA Call Number K740.07, Jan-Dec 1969, V. 2, IRIS Number 898774).

A review of the Seventh Air Force Deputy Chief of Staff for Operations historical reports for the January through December 1969 period failed to uncover any mention of Ranch Hand operations in Thailand (AFHRA Call Number K740.07, Jan-Dec 1969, V. 3, IRIS Number 524231).

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A review of the Seventh Air Force Deputy Chief of Staff for Operations historical reports for the January through June 1970 period failed to uncover any mention of Ranch Hand operations in Thailand (AFHRA Call Number K740.07, Jan-Jun 1970, V. 1, IRIS Number 524233).

A review of Seventh Air Force Intelligence Section’s reports on Ground Fire Threat Analysis for MACV Designated Herbicide Targets, Herbicide Mission Threat Studies, and Herbicide Target Area Threat Summary for the July through December 1969 period failed to include any analysis of any threats for Ranch Hand aircraft for any herbicide missions in Thailand. This would indicate that herbicides missions in Thailand were not taking place (History of Seventh Air Force, 1 July – 31 December 1969, Volume 3, Part 2; AFHRA Call Number K740.01-25, Jul-Dec 1969, V. 3, Pt. 2, supporting documents C-79 through C-81, IRIS Number 523996).

A review of the Seventh Air Force Plans Section’s documents concerning Ranch Hand operations during the latter half of 1969 revealed that the Commander-in-Chief Pacific (CINCPAC) had directed that the Commander United States Military Assistance Command-Vietnam (COMUSMACV) to phase down defoliation operations. CINCPAC pointed out that the annual program cost was now approaching $40,000,000; continued alleged destruction and loss to the Government of Vietnam economy of thousands of acres of marketable timber; continued alleged accidental defoliation and damage to tens of thousands of acres of rubber trees, orchards and crops, with resultant indemnity costs and inequities; continued high propaganda value of the program to Viet Cong organizers at the local level as well as to the National Liberation Front at the Paris meetings; and continued misgivings by segments of the scientific community, both U.S. and Government of Vietnam, regarding unknown long range ecological consequences of continued massive use of herbicides, had convinced him to start the process to eventually stop Ranch Hand operations. In light of these circumstances, expanding the Ranch Hand operations into Thailand appears to run contrary to the desires of the CINCPAC (History of Seventh Air Force, 1 July – 31 December 1969, Volume 1, Part 2, Narrative, Chapters IV – VIII; AFHRA Call Number K740.01-25, Jul-Dec 1969, V. 1, Pt. 2, Page 232 through 234, IRIS Number 523985).

Summary of Seventh Air Force Chain of Command Research: Since the Thirteenth Air Force did not have Agent Orange, Orange II, White, Blue, Pink, Green, Purple, Pink-Green, or Trinoxol or Dinoxol available, that organization would have to turn to the Seventh Air Force to obtain and conduct the aerial spraying in Thailand. As can be seen from the above research notes, there is no indication in the official Seventh Air Force organizational histories, at any level, of any request from Thirteenth Air Force to

91

conduct any aerial herbicide spraying in Thailand in regards to spraying an ordnance drop area of Nakhon Phanom Royal Thai Air Force Base, Thailand.

Therefore, although the request was made, it was never honored and Tactical Herbicides were not used to clear out the vegetation at Nakhon Phanom’s munitions drop area.]

56th Special Operations Wing, January through March 1970, Volume 1 (AFHRA Call Number K-WG-56-HI, Jan-Mar 1970, V. 1, IRIS Number 451138):

Page 132, Facilities: Another major accomplishment during January was the clearing of the perimeter security area and north runway overrun. Both these projects were completed by in house forces. The completion of this project has resulted in a much safer airfield from both security and flying operations viewpoints.

Page 136, Security: The primary mission of the 56th Security Police Squadron was to prevent close-in enemy reconnaissance, infiltration, raids, ambushes, and attacks by guerrilla or other insurgent groups. The squadron was also responsible for containing enemy force which might penetrate the base areas and to destroy the enemy by counterattack.

56th Special Operations Wing, January through March 1970, Volume 2 (AFHRA Call Number K-WG-56-HI, Jan-Mar 1970, V. 2, IRIS Number 451139):

Tab J, Historical Data Record, 56th Civil Engineering Squadron, Jan 1970:

Page 2, Mission: The primary mission of the 56th Civil Engineering Squadron is to acquire, construct, maintain, and operate real property facilities at Nakhon Phanom RTAFB and Mukdahan Air Station and provide related management, engineering, and other support work and services. The most significant examples which are included in the mission are to: a. Maintain all structures, roads, ditches, sidewalks, airfields, fences, and surrounding wooded areas. i. Provide for insect and rodent control.

Page 13, Programming Actions: During January, Programs Development programmed eleven projects, developed the February 13th AF RPRRB folders and updated the C.1.1. and F.1.1. Master Plan Tabs. A few of the more significant projects developed this month are as follows:

NKP 14-1 Maintain unimproved grounds. This project will prevent erosion of topsoil, and provide sight clearance for security guards around the perimeter of the base.

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Page 18, Commander’s Conclusions: Clearing of the perimeter security area and North runway overrun was completed by in-house forces. The professional completion of this project has resulted in a much safer airfield both from the security and flying operations’ viewpoints.

Historical Data Record, 56th Civil Engineering Squadron, Feb 1970: Page 2, Mission: No change.

Page 15, The following projects were under construction by the Army during February:

MCP Line Item 67S/012. Install lights on perimeter of base. Project is 17% complete.

Historical Data Record, 56th Civil Engineering Squadron, Mar 1970:

Page 2, Mission: No change.

Page 14, Engineering & Construction Actions: The following projects were under construction by the Army during February: MCP Line Item 67S/012. Install lights on perimeter of base. Project is 35% complete.

Page 15, BCE Work Accomplishments with In-House Personnel: Re-graded the area between the two perimeter security fences to remove vegetation.

[NOTE: The above again reinforces the fact that the primary means of vegetation control was the use of a bulldozer, not herbicides. No mention of herbicides is made in the January through March 1970 histories.]

Tab K, Historical Data Record, 56th Security Police Squadron, Jan 1970:

Page 1, Mission: To prevent close in enemy reconnaissance, infiltration, raids, ambushes, and attacks by guerrilla or other insurgent groups, to contain enemy forces which have penetrated the airbase areas and to destroy the enemy by counterattack.

Page 2, Narrative: A communications project was initiated which will result in installing 50 direct line phones in the perimeter bunkers and towers.

Historical Data Record, 56th Security Police Squadron, Feb 1970:

[NOTE: No perimeter fence issues raised in this history.]

Historical Data Record, 56th Security Police Squadron, Mar 1970:

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[NOTE: No perimeter fence issues raised in this history.]

[NOTE: No mention of herbicides in the Jan-Mar 1970 edition of the history; only the use of bulldozers to remove foliage.]

56th Special Operations Wing, April through June 1970, Volume 1 (AFHRA Call Number K-WG-56-HI, Apr-Jun 1970, V. 1, IRIS Number 451142):

Page 103, Facilities: The primary mission of the 56th Civil Engineering Squadron was to acquire, construct, maintain, and operate real property facilities at Nakhon Phanom RTAFB and provide related management, engineering, and other support work and services. The most significant examples which are included in the mission are to maintain all structures, roads, ditches, sidewalks, airfields, fences, and surrounding wooded areas. Provide for insect and rodent control.

Overview: Weather conditions during this quarter were a deciding factor in construction progress. Rainfall during May of this quarter exceeded the previous record high (20.43 vs. 19.1 inches) and measurable rain occurred 22 days during the month. The normal fifteen year average rainfall of 8.5 inches was far exceeded and pavement repair was seriously hampered during this period.

Page 104: June again had close to a record rainfall with the same results.

Problem areas: Excessive rainfall.

Failure to receive oil switches and constant current regulators of the perimeter security lights.

[NOTE: No mention of perimeter fence issues in the Security portion of the 56th Special Operations Wing history.]

56th Special Operations Wing, April through June 1970, Volume 2 (AFHRA Call Number K-WG-56-HI, Apr-Jun 1970, V. 2, IRIS Number 451143):

Tab N, Historical Data Record, 56th Civil Engineering Squadron, Apr 1970:

Page 1, Mission: No change.

Page 15, Engineering & Construction Actions: The following Service Contracts were written and forwarded to Procurement during the month of April:

Vegetation Control

Page 16, The following projects were under construction by the Army during April:

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MCP Line Item 67S/012. Install Lights on Perimeter of Base. Project is 95% complete.

Page 17, BCE Work Accomplishments with In-House Personnel: Some of the major items completed this month are as follows:

Graded a fire break around the Thai Ammo Storage Area.

Page 20, Commander’s Conclusions: April reminded us all that the monsoon season was approaching and to be prepared for many days of rain, thunderstorms and inherent damage to facilities and utility systems.

Historical Data Record, 56th Civil Engineering Squadron, May 1970:

Page 1, Mission: No change.

Page 11, Programs Division: In addition to the O&M Projects prepared, 5 MCP projects were prepared for 3rd Quarter 71 Urgent Milcon and forwarded to 13AF. The project list follows:

Ordnance Drop Area – Provides an area for aircraft with in-flight emergencies to drop their ordnance prior to landing.

[NOTE: One has to wonder if this new ordnance drop area replaced or added to the one that had been suggested earlier to have sprayed with Agent Orange to defoliate and reveal the unexploded ordnance in November 1969.]

Base Security Facility – This project will entail emergency access roads for security police vehicles and intrusion prevention fencing in several areas.

Page 17, Engineering & Construction Actions: The following projects were under construction by the Army during May: MCP Line Item 67S/012. Install Lights on Perimeter of Base. Project is 95% complete.

Page 21, Commander’s Conclusion: Weather conditions during May 1970 were a deciding factor concerning construction progress. Rainfall during this month exceeded the previous record high and measurable rain occurred 22 days during the month. The previous record rainfall of 19.1 inches was displaced by a rainfall of 20.43 inches. The normal fifteen year average rainfall of 8.5 inches was far exceeded and pavement repair was seriously hampered during the period.

The major problems faced during May were: Excessive rainfall.

Failure to receive the oil switches and constant voltage regulators for the perimeter security lights.

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Historical Data Record, 56th Civil Engineering Squadron, Jun 1970:

Page 2, Mission. No change.

Page 13, Engineering & Construction Actions: Design on the following projects was completed during the month of June: NKP 65-1, Maintain Perimeter Security.

The following projects were awarded for construction during the month of June: NKP 65-1, Maintain Perimeter Security.

Page 14: The following projects were under construction by the Army during June: MCP Line Item 67S/012. Install Lights on Perimeter of Base. Project is 99% complete.

Page 18, Commander’s Conclusions: Weather conditions again during June 1970 were a deciding factor concerning construction progress. Rainfall during the month was 33.4 inches, only .03 inches less than the previous record high. Pavement work was seriously curtailed as the work on water mains and other horizontal type construction.

Major problems were: Excessive rainfall.

Failure to receive oil switches and constant current regulators for the perimeter security lights.

Tab O, Historical Data Record, 56th Security Police Squadron, Apr 1970:

Page 1, Mission: No change.

Equipment Status: Perimeter lighting was completed and turned on from Alpha-1 to Bravo-7 and in all of Delta sector.

[NOTE: The SPS historian must have meant the lighting was completed in the Delta sector only, as the 56th CES histories note that the complete lighting project was not complete.]

[NOTE: No other mention of perimeter issues in this history.]

Historical Data Record, 56th Security Police Squadron, May 1970:

Page 1, Mission: No change.

[NOTE: No mention of perimeter issues in this history.]

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Historical Data Record, 56th Security Police Squadron, Jun 1970:

Page 1, Mission: No change.

[NOTE: No mention of perimeter issues in this history.]

[NOTE: While the perimeter received scant attention during the April through June 1970 period at NKP, Higher Headquarters at Thirteenth Air Force was still very much concerned with the vegetation control around it’s Thailand bases. See below.]

388th Tactical Fighter Wing, April through June 1970, Volume 3, history (AFHRA Call Number K-WG-388-HI, Apr-Jun 1970, V. 3, IRIS Number 457290):

Supporting Document 358, Letter, Major Richard Geisler, Director of Security Police, Office of Inspector General, Headquarters Thirteenth Air Force (IGS), to 8 Cmbt Spt Gp (BSP); 56 Cmbt Spt Gp (BSP), 355 Cmbt Spt Gp (BSP), 388 Cmbt Spt Gp (BSP), 432 Cmbt Spt Gp (BSP), 631 Cmbt Spt Gp (BSP), and 635 Cmbt Spt Gp (BSP), “Vegetation Control,” 15 Jun 1970:

Department of the Air Force Headquarters Thirteenth Air Force (PACAF) APO SAN FRANCISCO 96274 15 Jun 1970 REPLY TO ATTN OF: IGS

SUBJECT: Vegetation Control

TO: 8 Cmbt Spt Gp (BSP) 432 Cmbt Spt Gp (BSP) 56 Cmbt Spt Gp (BSP) 631 Cmbt Spt Gp (BSP) 355 Cmbt Spt Gp (BSP) 635 Cmbt Spt Gp (BSP) 388 Cmbt Spt Gp (BSP)

1. The attached correspondence is forwarded for your information and appropriate action.

2. The USAF Inspector General has expressed concern over attacks on bases in Thailand during which the enemy used the foliage cover bordering the bases to their advantage and has directed that emphasis be placed on the clearing and control of vegetation.

3. Although the maintenance and control of vegetation in and around the base is the responsibility of Base Civil Engineers, continuous emphasis must be given this program by the Chief of Security Police. When necessary, viz, to provide clear fields of fire, observation of approaches to resource areas, etc., consideration must be given to self-help programs as the only practical expedient. After all, our security force personnel lives are at stake as well as

97

adversely affecting base defense operations. Therefore, vegetation must be controlled to assure that surveillance of the fence line and surrounding areas is not impeded.

4. This subject will continue to be an item of special interest during staff visits and general inspections.

FOR THE COMMANDER

RICHARD E. GIESLER, Maj, USAF 1 Atch Director of Security Police PACAF (IGSS) (C) Ltr, Office of Inspector General subj as above, 18 May 70, w/2 Atch n/c

Cy to: 7/13AF (BSP)

56th Special Operations Wing, July through September 1970, Volume 1 (AFHRA Call Number K-WG-56-HI, Jul-Sep 1970, V. 1, IRIS Number 451145):

Page 105, Facilities: One major effect of the heavy rain fall at NKP was a rapid deterioration of paved and unpaved vehicle access surfaces, as well as, serious erosion of slopes and drainage provisions.

Page 106: The prime construction time at NKP reasonably was October through March…

[NOTE: No mention of perimeter issues in this history.]

56th Special Operations Wing, July through September 1970, Volume 2 (AFHRA Call Number K-WG-56-HI, Jul-Sep 1970, V. 2, IRIS Number 451146):

Tab J, Historical Data Record, 56th Civil Engineering Squadron, Jul 1970:

Page 14, Engineering & Construction Actions: The following projects were under construction by the Army during the month of July:

MCP Line Item 67S/012. Install Lights on Perimeter of Base. Project is 100% complete.

Page 16, BCE Work Accomplishments with In-house Personnel: Sprayed revetments in the Munitions Maintenance Squadron area.

[NOTE: Unfortunately, it is not noted what was sprayed on these revetments and the 456th Munitions Maintenance Squadron histories do not mention this event at all. Without further information, speculation as to what was sprayed on the revetments (diesel fuel to keep grass from growing, grass seed to keep the

98 revetment from eroding, insecticide to keep insects from the area, or herbicides to keep the weeds down but allows the grass to grow) remains unfounded.]

Page 18, Weather conditions and many visitors during July were deciding factors concerning construction progress. Rainfall for the month was 26.7 inches well above the average yet far below the record of 47.2 inches. Horizontal construction was seriously curtailed by the weather.

Major Problems were: Heavy rainfall.

Failure to receive the oil switches and constant current transformer for the perimeter security lights.

Army progress continues to lag because of insufficient materials, equipment and lack of a desire to complete the work in a timely manner. This problem has persisted since the Army started work on the assigned projects.

Page 19: It appears as though we will be able to energize the entire perimeter security lighting system during August providing the constant current transformers are received.

The first month of the new fiscal year was hectic. Change in personnel, monitoring of the numerous contacts awarded last fiscal year, supporting the Army, rain and a few other conditions contributed to the turmoil.

[NOTE: No mention of perimeter issues in this history.]

Historical Data Record, 56th Civil Engineering Squadron, Aug 1970:

Page 13, Operations and Maintenance Division: Some of the major items completed by BCE In-house forces during the month of August: Installed concrete pads and fenced in all perimeter road transformers.

Installed street lights south side main street to perimeter road.

Page 20, Commander’s Conclusion: The Southwesterly monsoon continued to be the principal factor affecting construction progress. Rainfall for the month totaled 46.4 inches, more than twice the average of 20.5 inches for August. This seriously hampered outside construction efforts.

Major Problems were: Heavy rainfall.

Army construction progress continued to lag because of a decided lack of resolute action, as well as poor weather conditions. Job sites have been continually left in a state of disarray with long periods of inactivity. Many hours of over-time type work have been expended by the BCE Plumbing Shop making

99 emergency repairs to sewer lines which have become stopped because of poor workmanship, improper installation, or combinations thereof.

[NOTE: No mention of perimeter issues in this history.]

Historical Data Record, 56th Civil Engineering Squadron, Sep 1970:

Page 23, Commander’s Conclusion: With the coming of the dry season and the ending of the monsoons repairs and new construction work picked up. Rainfall for the month totaled 28.6 inches. This was about 5 inches above previous record for the month of September but the clear weather we did have allowed major efforts to be concentrated on laying matting in unpaved areas.

There was a back-log of plumbing job orders and service calls. Contributing causes have been low water pressure, lack of bench stock items for repair service, and poor construction of water and sewage lines by the U.S. Army Corps of Engineers Construction Company. Corrective measures were taken by temporarily assigning three Local National laborers from Roads and Grounds to the Plumbing Shop.

Co B, 809 Engineer Battalion, US Army has officially departed NKP. A small number of personnel remain attempting to complete the water line project acceptance by Civil Engineering. Grave doubt exists that this can be accomplished and CE is resigned to making required repairs and modifications to place the utility system in operation.

[NOTE: No mention of perimeter issues in this history.]

Tab K, Historical Data Record, 56th Security Police Squadron, Jul 1970:

Page 1, Mission: To prevent close in enemy reconnaissance, infiltration, raids, ambushes and attacks by guerilla or other insurgent groups; to contain enemy forces which have penetrated the air base areas; and to destroy the enemy by counterattack.

[NOTE: No mention of perimeter issues in this history.]

Historical Data Record, 56th Security Police Squadron, Aug 1970:

[NOTE: No mention of perimeter issues in this history.]

Historical Data Record, 56th Security Police Squadron, Sep 1970:

[NOTE: No mention of perimeter issues in this history.]

56th Special Operations Wing, October through December 1970, Volume 1 (AFHRA Call Number K-WG-56-HI, Oct-Dec 1970, V. 1, IRIS Number 451148):

Page 204, Facilities:

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The road structure within the 8.8 mile perimeter consisted of 12 miles of paved surface roads and several miles of well graded dirt and gravel access roads. All were adequate for mission requirements.

Page 207, 56th Civil Engineering Squadron: Extensive jungle clearing operations were planned for the quarter, but a lack of heavy equipment and qualified operators caused a postponement until the following quarter. This represented the largest area of complaint for the 56th Civil Engineering Squadron. The age and general condition of heavy construction equipment led to long periods of maintenance and parts down times and delayed scheduled projects.

Page 208: The Operations and Maintenance Section completed 2,186 work orders during the quarter. Some of the major items were:

Cut and cleared a 50 foot fire break in MMS area.

[NOTE: Again it appears that bulldozers were the primary means of clearing vegetation away from the base boundary.]

56th Special Operations Wing, October through December 1970, Volume 2 (AFHRA Call Number K-WG-56-HI, Oct-Dec 1970, V. 2, IRIS Number 451149):

Tab L, Historical Data Record, 56th Civil Engineering Squadron, Oct 1970:

Page 14, Operations and Maintenance: Some of the major items completed this month are: Cut grass on flight line and throughout base; also removed approximately 12 dead trees.

Page 15: This organization continues to operate with only two pieces of earth moving equipment and will continue to do so but to complete all tasks required for the coming month with this equipment is virtually impossible. The high VDP [vehicle down for parts] rate of our heavy construction equipment is impairing our ability to effectively complete our required jobs.

Page 21, Commander’s Conclusions: The dry season has begun with rainfall for October totaling only 2.65 inches. The clear weather allowed contractors and our organization to start many construction projects and continue with the necessary repairs. This month we also did much clean-up and grading of areas on the base.

With the dry season here we still do not have enough equipment operators.

Other problems we have encountered are that our equipment is old and requires constant maintenance and repair. We do not have enough graders to complete the required work. We have requested assistance to borrow equipment from other BCE units in Thailand.

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Historical Data Record, 56th Civil Engineering Squadron, Nov 1970:

Page 14, Operations and Maintenance: Some of the accomplishments and major items completed: Cut and cleared 50’ fire break inside and outside security fences MMS area.

Page 23, Commander’s Conclusions: The weather for the month was dry which enabled our construction and repair program to continue at full speed.

On Sunday, 15 November, an F-105 crashed on final approach after the pilot ejected safely. The plane demolished the guard tower at the Northwest corner of the perimeter road and seriously injured a Thai guard. The Fire Department rescued the guard and extinguished the fire. Other Civil Engineering personnel supported EOD in recovery of munitions.

Page 24: The old construction equipment continues to be a problem. However, motor grades were obtained from Udorn and Ubon RTAFB on a loan basis. In addition, the DZK grader was made operational; therefore, the rental grader will be returned 28 November.

Historical Data Record, 56th Civil Engineering Squadron, Dec 1970:

Page 17, Operations and Maintenance: Some of the major items completed during the month of December: Removed 55 dead trees from various locations on station. Received one grader and D-6 from contract maintenance. Cut grass base wide; contact has expired.

Page 24, Commander’s Conclusion: A D-6 bulldozer was borrowed from Udorn RTAFB. Additionally, the NKP D-6 was returned from Contract Maintenance and the TD-20 was returned to service by Heavy Equipment Maintenance. All three pieces of equipment have been utilized on projects which were stopped awaiting equipment availability. As soon as they complete projects of stockpiling sand, sanitary fill operation, and filling a ravine for Project Have Levy-Save Look, the equipment will be used for clearing operations.

Page 25: Lt Col John P. Thomas and Sgt John J. Black were TDY during the period 28 December 1970 to 1 January 1971. They visited Don Muang RTAFB AFRCE- THAI, and Takhli RTAFB. Through these visits they were able to borrow construction equipment for jungle clearing, expedite the review of NKP design projects, and investigate the feasibility of a service contract for dismantling prefabricated buildings at Takhli.

[NOTE: No herbicide use is mentioned in this history, but the emphasis on heavy equipment in conjunction with ‘jungle clearing’ lends support that the vegetation clearance issues were planned to be solved with the use or heavy construction equipment and their grading capability.]

102

Tab M, Historical Data Record, 56th Security Police Squadron, Oct 1970:

[NOTE: No mention of perimeter fence issues in this history.]

Historical Data Record, 56th Security Police Squadron, Nov 1970:

[NOTE: No mention of perimeter fence issues in this history.]

Historical Data Record, 56th Security Police Squadron, Dec 1970:

Page 2, Significant Statistics: Old concertina wire was replaced by new concertina wire on perimeter in areas where needed.

[NOTE: No mention of any herbicide use near the perimeter fence in this history.]

56th Special Operations Wing, January through March 1971, Volume 1 (AFHRA Call Number K-WG-56-HI, Jan-Mar 1971, V. 1, IRIS Number 451151):

Page 183, 56th Civil Engineering Squadron: Another security related project, termed “Jungle Clearance,” was started and will serve an equally important function of corrosion control. The plan was to clear and level acres of dense vegetation to prevent erosion and to allow better surveillance by security teams. The Thai Nationals who take a great deal of pride in “their” base willingly worked over-time and seven days per week on the project. By the end of the quarter the on-base portion was largely completed but clearing of a 100 yard strip beyond the perimeter fence remained to be done.

Page 188, Security and Law Enforcement: As part of the new concept the 56th Security Police Squadron was instrumental in completing the on-base portion of the Jungle Clearance Project.

56th Special Operations Wing, January through March 1971, Volume 2 (AFHRA Call Number K-WG-56-HI, Jan-Mar 1971, V. 2, IRIS Number 451152):

Tab J, 56th Civil Engineering Historical Data Record for January 1971:

Page 17, Other work accomplished included: Remove dead trees and thin where too dense.

Continued grading around the base perimeter road and cleaning and reshaping of open drainage ditches.

Page 18: Mow grass base wide, as required, due to expiration of contract.

Commander’s Conclusions: The new year began with a big push to get outside work and projects designed, funded, and completed before the rainy season.

103

Work started on clearing and leveling the jettison range. Together CE and EOD removed and disposed of 20 bombs.

Tab J, 56th Civil Engineering Historical Data Record for February 1971:

Page 16, Other Work Accomplished Included: Removed and graded trees and removed brush in areas in NE portion of base.

Made concentrated removal of debris and trees and grading of jettison range (ordnance drop) area located north of the runway, west of the dump road and bounded on the north and west by Perimeter Road.

Page 17: Mowed grass Base wide.

Page 23, Commander’s Conclusions: The jettison range has been cleared of trees and jungle vegetation and we are presently working on clearing thinning the area with in the perimeter fence. Approval has been received from MAC-TAHI to clear property that is Air Force owned north of the perimeter and a section east of the fence. The dry weather has enabled this project to go full speed ahead.

Tab J, 56th Civil Engineering Historical Data Record for March 1971:

Page 12, Programs Development: Capt Dickerson went TDY to Hq 13th AF to obtain approval for projects NKP 32-1, 50-0 (R-1), 15-2 and 16-2, totaling $50,050. He and the Base Comptroller, who accompanied him, discussed funding for equipment rental and the actual contract cost of the jungle clearing project, NKP 13-2.

Page 19, Other work accomplished or in progress included: Removed and burned dead trees.

Thinned stands of trees and graded NE sector and East side of the base from perimeter road back.

Continued removal of debris and trees and grading of jettison range (ordnance drop area) north of runway.

Page 24, Commander’s Conclusion: There was a big push in March to get projects approved and to begin projects during the dry season as the start of the monsoon season at NKP hampers Civil Engineering work.

One of the main projects we concentrated on was the jungle clearance program. Capt Warren C. Dickerson went to 13 Air Force and obtained equipment and funding approval for the project. Work progressed satisfactorily during the month with the help of rental and borrowed equipment plus many extra hours of work. Crews worked seven days a week. We initiated drainage improvement and erosion control in the areas cleared of trees and jungle growth. One problem

104 which hampered our progress was the high equipment VDP [vehicle down for parts] rate. Through this project base security will be increased.

105

106

Jungle Clearance project, March 1971 at NKP at the perimeter fence area. Note that this was a major clearing project, as opposed to simple vegetation control. No herbicide use is in evidence for this project.

Tab K, 56th Security Police Squadron Historical Data Record, January 1971:

[NOTE: No mention of perimeter fence issues.]

Tab K, 56th Security Police Squadron Historical Data Record, February 1971:

[NOTE: No mention of perimeter fence issues.]

Tab K, 56th Security Police Squadron Historical Data Record, March 1971:

[NOTE: No mention of perimeter fence issues.]

56th Special Operations Wing, April through June 1971, Volume 1 (AFHRA Call Number K-WG-56-HI, Apr-Jun 1971, V. 1, IRIS Number 451154):

Page 207, 56th Civil Engineering Squadron: Heavy rains curtailed construction efforts and created work in other areas. The Jungle Clearance project, discussed in the previous history, was delayed until the dry season while it took emphasis to keep the perimeter grass mowed, to clear draining ditches and grade numerous areas to allow for better drainage.

Page 212, Security and Law Enforcement: The Director of Security Police, 7th Air Force/13th Air Force, conducted a staff assistance visit from 26 to 28 April and reported what was termed “a serious lack of compliance with current directives.” The chief of the inspection team pointed out that the Jungle Clearance project, bunker construction and overall knowledge and enthusiasm of the personnel were deserving of the highest praise.

56th Special Operations Wing, April through June 1971, Volume 2 (AFHRA Call Number K-WG-56-HI, Apr-Jun 1971, V. 2, IRIS Number 451155):

Tab J, 56th Civil Engineering Squadron Historical Data Record for April 1971:

Page 15, Engineering & Construction Division” Design of the following projects was completed during the month of April:

NKP 25-2 Stabilize Perimeter Road Drainage. This project consist of reshaping and sodding of drainage ditches on Perimeter Road which was not included on the OICC MCP Project.

Page 17, Operations and Maintenance: Other work accomplished or in progress included: Continued removal and burning/disposal of trees and debris from North and NE sectors inside perimeter road and jettison range beyond perimeter; grading and erosion control of these areas.

Page 18:

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Cleared, cleaned, graded, and continued erosion control of perimeter road drainage ditches.

Page 23, Commander’s Conclusion: We had a gradual break into the rainy season with 2.41 inches of rain for April.

Progress on the perimeter clearing and airfield erosion control projects continued satisfactorily and continued to receive a high priority. Major concentration was directed toward clearing drainage ditches and seeding cleared areas. Bulldozers cleared and shaped the main drainage ditches along the east perimeter and the old dump area.

Page 24: Major Castillo hand-carried projects to AFRCE-THAI and 13 AF on 1 April. His trip also included a conference with MACTHAI on the disposition of DZK vehicles and permission to use herbicides on fence lines.

[NOTE: Major Mel Castillo, Chief, Operations & Maintenance of the 56th Civil Engineering Squadron, while on a trip to take proposed civil engineering projects to Air Force Regional Civil Engineer-Thailand for approval, also met with Military Assistance Command/Thailand to expressly obtain approval to use herbicides on the perimeter fence at Nakhon Phanom RTAFB. This supports the contention that herbicides, up to April 1971, were NOT used at NKP. Also, it appears that there was a lot of planting vegetation, as opposed to destroying it, for erosion concerns near the perimeter.]

Tab J, 56th Civil Engineering Squadron Historical Data Record for May 1971:

Page 14, Engineering & Construction Division: The following projects were awarded during the month of May: NKP 58-1, Maint. Perimeter Road NKP 66-1, Erosion Control

Page 16, Operations and Maintenance: Significant work accomplished or in progress included: Concentrated on grounds maintenance and grass mowing with all available operational equipment.

Page 17: Fabricated ordnance disposal warning signs to post around perimeter of recently cleared and graded munitions disposal area north of Perimeter Road.

Page 23, Commander’s Conclusion: The monsoon season began with 15.04 inches of rain for May. This was five inches greater than the mean. Some outside work, such as the pouring of concrete and perimeter clearing, was delayed right after heavy storms, but then continued.

Ground crews seeded several areas along the perimeter and removed debris obstructing several airfield and perimeter culverts. The work on perimeter

108 clearance has been completed until the end of the rainy season. The problem facing us now is keeping the grass mowed to insure base security.

[NOTE: Once again the planting of grass is mentioned, and the fact that mowing was the preferred method of vegetation control at the perimeter fence. At this point, May 1971, approval had NOT been obtained to use herbicides at the perimeter fence at NKP.]

Tab J, 56th Civil Engineering Squadron Historical Data Record for June 1971:

Page 15, Engineering and Construction Division: Design of the following projects was completed during the month of June:

NKP 13-2, Clear Base Perimeter. This project consists of the removal of all undergrowth and trees 8” in diameter or less for a distance of 300’ on the East and West boundaries.

The following projects were awarded during the month of June: NKP 25-2, Stabilize Perimeter Road Drainage.

Page 18, Operations and Maintenance: Significant work accomplished or progress:

Concentrated effort on grass cutting, policing of the base and surface drainage correction.

Page 21, Commander’s Conclusion: As the end of the fiscal year approached stringent control s were placed on utilization of civil engineering supply monies. Only fuels, bench stock, priority I work orders, and work stoppage materials were purchased.

June ended with a total accumulation of 16.47 inches of rain. The Pavement and Grounds Section concentrated on grass mowing throughout the base. Particular emphasis was given to mowing along the perimeter fence and airfield areas. The Equipment Section cleaned drainage ditches and graded numerous areas to allow for better drainage during the monsoon rains.

Page 22: In preparation for the functions of Power Projection, Exterior Electrical Distribution, Refrigeration and Air Conditioning, Water and Waste, Entomology, Heating, and Liquid Fuels Maintenance being performed by contact effective 1 July, 62 Local Nationals were given RIF notices on 24 June so that they may accept positions offered by the contractor.

[NOTE: It does not appear that permission has been granted by higher headquarters to allow the use of herbicides at NKP by this time. Emphasis is still on mowing along the perimeter fence. The amount of rain also precludes the use of herbicides, since the heavy rains would dilute the mixture into impotency. The spending constraints, noted above, would also preclude obtaining herbicides, since this commodity did not fall into the categories listed as being ‘mission essential.’ Finally, starting with the new fiscal year 1972 (which started on 1 July

109

1971), routine base maintenance is now being contracted out. It is not clear, at this point, whether this includes grounds maintenance at the perimeter fence.]

Tab K, 56th Security Police Squadron Historical Data Record for April 1971:

Page 2, Significant Statistics: Twenty-four (24) Pressure Sensitive Intrusion Detectors were installed on the perimeter.

Captain Paduck, United States Marine Corps, MAC/V was briefed on the Balance Pressure System and the Pressure Sensitive Intrusion Detectors.

[NOTE: No mention of perimeter fence issues, such as herbicide use. Instead, attention is focused on the new Pressure Sensitive Intrusion Detectors in hopes that this new system will reveal attempted penetrations into the base.]

Tab K, 56th Security Police Squadron Historical Data Record for May 1971:

Page 2, Significant Statistics: Stand-off wire was constructed on three (3) drive-in bunkers and two (2) machine gun bunkers, and grass seed was planted on all drive-in and perimeter bunkers.

A large ridge n the off base perimeter between tower 6 and 7 was leveled and the fence was replaced at this location

[NOTE: No mention of any herbicide use. Just the opposite, grass was planted on and around the perimeter bunkers.]

Tab K, 56th Security Police Squadron Historical Data Record for June 1971:

[NOTE: No mention of any perimeter fence issues.]

Tab S, Base Procurement Office Historical Data Record for April 1971:

Page 2, Commander’s Conclusions: Timely response on equipment rental enabled the jungle clearance project to continue on schedule with the best possible results.

[NOTE: The above shows that the bulldozers used to clear away the jungle from the perimeter fence was rented from local Thai companies.]

Tab S, Base Procurement Office Historical Data Record for May 1971:

Page 2, Narrative: Work was completed on two projects of command interest for which the Procurement Division rented all the heavy equipment utilized. The projects were the repair of Ram Raj Dam, under the Civic Action program and perimeter jungle clearance.

Commander’s Conclusions:

110

Completion of the jungle clearance project should provide additional security on the perimeter at night and greatly increase the field of visibility in that area.

[NOTE: Again it is shown that the perimeter jungle clearance project was undertaken by rented heavy equipment (bulldozers) from local Thai contractors and herbicides were not used in this project.]

Tab S, Base Procurement Office Historical Data Record for June 1971:

[NOTE: No perimeter fence issues are discussed in this history.]

56th Special Operations Wing, July through September 1971, Volume 1 (AFHRA Call Number K-WG-56-HI, Jul-Sep 1971, V. 1, IRIS Number 451157):

Page 159, 56th Civil Engineering Squadron: A major program during the quarter was the cutting of grass and vegetation and the placing of sod on areas where there was no grass. The heavy rainfall and warm climate caused rapid growth and large crews of Thai Nationals were used extensively to keep the base looking neat and well-trimmed, especially prior to the arrival of the many VIPs who visited NKP during the quarter.

56th Special Operations Wing, July through September 1971, Volume 2 (AFHRA Call Number K-WG-56-HI, Jul-Sep 1971, V. 2, IRIS Number 451158):

Tab J, 56th Civil Engineering Squadron Historical Data Record for July 1971:

Page 18, Operations and Maintenance Division: Significant work accomplished or in progress: Concentrated on in-house effort of grass cutting and application of herbicide to control vegetation growth.

Supervised grass cutting by contract resumed 9 July 1971 after long delay and rental mower equipment.

[NOTE: This is the First Time Herbicides are mentioned for use at NKP. Evidently, permission was finally granted to use herbicides. While it is unclear if the use of herbicides was for internal vegetation control (i.e., the on-base baseball field), or for use around the perimeter fence from the above, it is made clear on Page 17 of the August 1971 edition of the 56th CES history that this herbicide was used for the Base Perimeter Fence.]

Tab J, 56th Civil Engineering Squadron Historical Data Record for August 1971:

Page 14, Engineering and Construction Division: The following projects were awarded during the month of August: NKP 13-2 Clear Base Perimeter.

Page 17, Operations and Maintenance: Significant work accomplished or in progress: Continued effort on grass cutting and monitoring of contract grass mowing.

111

Application of herbicide to retard vegetation growth around perimeter.

[NOTE: Finally, a specific statement about herbicide use for the perimeter fence at Nakhon Phanom RTAFB. It appears that this herbicide use started in July 1971. However, it appears that it was a onetime use, over the months of July and August 1971.]

Tab J, 56th Civil Engineering Squadron Historical Data Record for September 1971:

[NOTE: No mention of any perimeter fence issues, including herbicide use or any other means of vegetation control in this history.]

Tab K, 56th Security Police Squadron Historical Data Record for July 1971:

Page 2, Significant Statistics: CE is approximately three fourths completed in clearing the vegetation around the base perimeter.

Tab K, 56th Security Police Squadron Historical Data Record for August 1971:

[NOTE: No mention of any perimeter fence issues, including herbicide use or any other means of vegetation control in this history.]

Tab K, 56th Security Police Squadron Historical Data Record for September 1971:

[NOTE: No mention of any perimeter fence issues, including herbicide use or any other means of vegetation control in this history.]

Tab S, Base Procurement Office Historical Data Record, July 1971:

Page 2, Narrative: During the month of July, no new construction projects were awarded by Base Procurement. Construction in the future will be handled by the Thailand Procurement Center. Base Procurement no longer monitors Civil engineer and routine base supply purchase requests which are forwarded to Thailand Procurement Center. Contract Maintenance is gathering estimates to forward as purchase requests to TPC for yearly maintenance service contracts in areas such as copying machine maintenance.

[NOTICE: No mention of vegetation control issues in this history.]

Tab S, Base Procurement Office Historical Data Record, August 1971:

[NOTICE: No mention of vegetation control issues in this history.]

Tab S, Base Procurement Office Historical Data Record, September 1971:

[NOTICE: No mention of vegetation control issues in this history.]

112

56th Special Operations Wing, October through December 1971, Volume 1 (AFHRA Call Number K-WG-56-HI, Oct-Dec 1971, V. 1, IRIS Number 902025):

Pages 173-174, Security and Law Enforcement: The following improvements were made in base defense in the last quarter of 1971 (Interview, Wing Historian with CMSgt. C.B. Millard, Chief of Perimeter Defense, 28 Feb 72).

The jungle was cleared back from the base perimeter for an additional 100 yards by a Thai contractor. Areas inside the perimeter on the northeast side were also cleared so that any infiltrators would have no cover to hide under.

[NOTE: From the above, it appears that a Thai contractor with heavy equipment was used to clear the vegetation outside of the perimeter fence, as well as some portions inside of the perimeter fence. The use of the word “cleared” denotes a large scale and quick solution to the vegetation problem, such as bulldozer use. It does not appear that herbicides were used in this particular operation.]

56th Special Operations Wing, October through December 1971, Volume 3 (AFHRA Call Number K-WG-56-HI, Oct-Dec 1971, V. 3, IRIS Number 902027):

Tab J, 56th Civil Engineering Squadron Historical Data Record, October 1971:

Page 15, Engineering and Construction Division: Design of the following projects was completed during the month of October:

NKP 54-2, Install Perimeter Security Fencing. This project consists of installing new concertina wire around most of the base perimeter.

The following project was awarded during the month of October:

NKP 35-2, Install Security Fence.

Page 17, Operations and Maintenance Division: The following facts and work accomplishments are submitted for possible inclusion in the NKP RTAFB Historical Data Record, RCS: AU-DS for the period 01 thru 31 Oct 17:

Significant work accomplished or in progress (in addition to the normal day-to- day maintenance and operation work consisting essentially of minor road and airfield pavement repairs, erosion control, tree removal, vegetation control, storm drainage clearance, airfield sweeping, operation of sanitary fill, dumpster box refuse collection, continual base policing and clean up, septic tank pumping, sewage and water line repairs):

Page 19: Grading of dirt road around perimeter of POL Bulk storage area and the access road to nearby security guard bunker for surveillance and fire protection.

Removal of numerous dead trees in the northeast sector of the base and other areas.

113

Page 20: Erection of gate on access road to EOD area north of perimeter road.

Tab J, 56th Civil Engineering Squadron Historical Data Record, November 1971:

Page 15, Operations and Maintenance Division: Significant work accomplished or in progress in addition to the normal day-to-day maintenance and operation work consisting essentially of minor pavement repairs, erosion control, tree removal and disposal, vegetation control, storm drainage clearance, airfield sweeping, dumping of Dumpster refuse containers, operation of sanitary fill, water and sewage line repair and clearing, septic tank pumping, and policing/clean-up of primary base streets and areas of high pedestrian traffic:

Page 17: Perimeter Road – Grading of areas at North end of base, north east sector and east side of base approx. 200 yards inside of road line to eliminate rough spots and control vegetation growth in the interest of infiltration protection and surveillance.

[NOTE: This specifically states that vegetation control was conducted by grading. No herbicides were used for this project.]

Tab J, 56th Civil Engineering Squadron Historical Data Record, December 1971:

Page 14, Programs Division: Projects approved by 13AF: NKP 5-3, Clear Base Perimeter

[NOTE: It is not sure what is meant by “Clear Base Perimeter”. It is assumed that it has something to do with vegetation control, but it is not clearly stated.]

Page 16, Engineering and Construction Division: During the month of December there were 8 O&M contracts under construction. The following were completed during this month:

NKP 13-2, Clearing Base Perimeter – 13 Dec 71.

[NOTE: This may be the clearing of vegetation along the perimeter road noted in the previous month’s squadron history.]

Page 17, Operations and Maintenance Division: Significant work accomplished or in progress in addition to the normal day-to-day maintenance and operation work consisting essentially of minor pavement repairs, erosion control, tree removal and disposal, vegetation control, storm drainage clearance, airfield sweeping, dumping of Dumpster refuse containers, operation of sanitary fill, water and sewage line repair and clearing, septic tank pumping, and policing/clean-up of primary base streets and areas of high pedestrian traffic:

114

[NOTE: No perimeter fence issues are noted.]

Page 24, Commander’s Conclusion: Continuation on perimeter clearing took considerable time during the month as did cleanup of “Contractor’s Row.”

[NOTE: No mention of herbicide use in these histories, only heavy equipment connotations such as ‘clearing’ is used in connection of vegetation control.]

Tab K, 56th Security Police Squadron Historical Data Record, October 1971:

[NOTE: No mention of perimeter fence issues or herbicide use in this history.]

Tab K, 56th Security Police Squadron Historical Data Record, November 1971:

[NOTE: No mention of perimeter fence issues or herbicide use in this history.]

Tab K, 56th Security Police Squadron Historical Data Record, December 1971:

[NOTE: No mention of perimeter fence issues or herbicide use in this history.]

Tab S, Base Procurement Office Historical Data Record, October 1971:

[NOTE: No mention of perimeter fence issues or herbicide use in this history.]

Tab S, Base Procurement Office Historical Data Record, November 1971:

[NOTE: No mention of perimeter fence issues or herbicide use in this history.]

Tab S, Base Procurement Office Historical Data Record, December 1971:

Page 2, Commander’s Conclusions: With the winding down of the base level construction program the Base Procurement Office is becoming increasingly involved with emergency purchases and contractual maintenance. This office is also involved with coordinating purchase between the Thailand Procurement Center and various on-base activities.

[NOTE: No mention of perimeter fence issues or herbicide use in this history, nor is it expected to be noted in future histories since the contracts are now handled by the Thailand Procurement Center in Bangkok. In addition, there is a number of references to cost cutting and that a lot of projects were cancelled due to no funding. Perhaps vegetation control was affected by funding cuts.]

56th Special Operations Wing, January through March 1972, Volume 1 (AFHRA Call Number K-WG-56-HI, Jan-Mar 1972, V. 1, IRIS Number 902028):

[NOTE: No mention of perimeter fence issues or herbicide in this history.]

56th Special Operations Wing, January through March 1972, Volume 3 (AFHRA Call Number K-WG-56-HI, Jan-Mar 1972, V. 3, IRIS Number 902030):

115

Tab J, 56th Civil Engineering Squadron Historical Data Record, January 1972:

Page J-10, Programs Division: Program Development: Projects that were prepared and sent forth to 13th AF for approval:

PROJECT # DESCRIPTION COST

NKP 18-3 Replace Security Fences 22.6

Page J-15, Operations and Maintenance Division: Significant work accomplished or in progress in addition to the normal day-to-day maintenance and operation work consisting essentially of minor pavement repairs, erosion control, tree removal and disposal, vegetation control, storm drainage clearance, airfield sweeping, dumping of Dumpster refuse containers, operation of sanitary fill, water and sewage line repair, clearing septic tank pumping, and policing/clean-up of primary base streets and areas of high pedestrian traffic:

North perimeter – haul, pile and burn downed trees.

Page J-22, Commander’s Conclusions: Many work orders and requests were disapproved due to the lack of CE supply funds. The BCE, Comptroller and Supply have had many meeting in an effort to solve our funding problem.

[NOTE: Since so little attention has been paid in the histories concerning herbicide use since August 1971, it may have been a casualty to the funding crises experienced by civil engineering.]

Tab J, 56th Civil Engineering Squadron Historical Data Record, February 1972:

Page J-34, Programs Division: February saw some drastic changes made in supply funds management in view of austere funds available for the remainder of the fiscal year. Changes in supply procedures were made in the coordination with the Chief of Supply and the Comptroller which will allow better control of issued and due-out releases. Experience with these procedures during the latter part of February has proved favorable due to less funds expended and less fluctuation in the amount expensed.

Program Development: Six projects were approved and transferred to Engineering for design:

NKP 54-2, Install Security Fencing. NKP 18-3, Replace Security Fences.

Page J-39, Operations and Maintenance Division: Significant work accomplished or in progress in addition to the normal day-to-day maintenance and operation work consisting essentially of minor pavement

116 repairs, erosion control, tree removal and disposal, vegetation control, storm drainage clearance, airfield sweeping, dumping of Dumpster refuse containers, operation of sanitary fill, water and sewage line repair, clearing septic tank pumping, and policing/clean-up of primary base streets and areas of high pedestrian traffic:

Page J-40: MMS [munitions maintenance squadron] Grade and level fire break road around perimeter. [It appears that this is for the ammo dump area, since it is for the MMS.]

Page J-44, Commander’s Conclusions: Mr. Lau and Mr. Fung, PACAF/DE visited NKP on 11-12 Feb 1972 to assist the base on any environmental problems. They were pleased with our environmental program.

[NOTE: No specific mention of perimeter fence issues or herbicide in this history.]

Tab J, 56th Civil Engineering Squadron Historical Data Record, March 1972:

Page J-58, Operations and Maintenance Division: Significant work accomplished or in progress in addition to the normal day-to-day maintenance and operation work consisting essentially of minor pavement repairs, erosion control, tree removal and disposal, vegetation control, storm drainage clearance, airfield sweeping, dumping of Dumpster refuse containers, operation of sanitary fill, water and sewage line repair, clearing septic tank pumping, and policing/clean-up of primary base streets and areas of high pedestrian traffic:

Page J-59: Bldg. 2801, Repair perimeter towers.

Page J-66, Commander’s Conclusions: The shortage of supply money has severely hampered work in the shops. Where we would normally be spending $20,000.00 a week we are now restricted to only $3,000.00 a week. We have been forced to curtail even minimum essential maintenance requirements. We are still getting the job done, but it is becoming increasingly more difficult to scrape up enough supplies to keep the shops working. By reducing our order of long lead time items now, the required supplies will not be here when needed next fiscal year.

Tab K, 56th Security Police Squadron Historical Data Record, January 1972:

[NOTE: No mention of perimeter fence issues or herbicide use in this history.]

Tab K, 56th Security Police Squadron Historical Data Record, February 1972:

Page K-19, Problem Areas: Concertina wire is not available within 13AF for issue as requested for further reinforcement of the perimeter fence line.

117

Special Unit Accomplishments: One new perimeter bunker was constructed at the Northeast corner of the base to provide for greater coverage of the Klong and the perimeter fence line at this location.

[NOTE: No mention of herbicide use in this history.]

Tab K, 56th Security Police Squadron Historical Data Record, March 1972:

Page K-43, Narrative: Concertina wire was not available within 13AF for issue as requested to reinforce the perimeter fence.

New reveted bunkers on southeast corner of base in the vicinity of Tower 16 and Tower 5 constructed and filled.

Chain-link fencing secured over culverts between F-4 Aircraft parking area outside flightline in the vicinity of old Thai Guard area. Also, light reflectors for klong lights made from discarded K-9 food cans to direct light towards the klong and prevent the light from shining on the road and sentry positions.

Page K-44, Commanders Conclusion: Tightening of funds at this time of the fiscal year has not provided for adequate vegetation control on the exterior perimeter.

[NOTE: As suspected, a lack of funds impacted the vegetation control program for the perimeter fence area. It appears that herbicide use was contained only in the months of July and August 1971.]

Tab Q, Base Comptroller Historical Data Record, January 1972:

Page Q-2, Budget: Because of our current austere funding in Base Operating Support supplies, Civil Engineering has had to cancel minor construction work orders and establish a priority system through the Real Property Resource Review Board for approval of repair and maintenance work orders. Supply purchases have been restricted to recurring fuels, electrical generator parts and supply for mission supportive repair and maintenance work orders.

Tab Q, Base Comptroller Historical Data Record, February 1972:

Page Q-4, Budget: $212,300 increase in our annual budget was received. The Revised Annual Budget is now $8,397,800. Major areas of increase were TDY, facility projects and supplies.

Tab Q, Base Comptroller Historical Data Record, March 1972:

Page Q-6, Budget:

118

A $300,000 increase in the Base’s annual operating budget for supplies was received. A $47,100 decrease in facility projects was also received. The current annual program is $8,648,700.

The Budget Working Group and the Budget Advisory Committee were briefed on the financial program and the fact that we are approximately $700,000 short in supply funding. It was emphasized that all organizations are funded through mid or late May and that control should be initiated within the organizations to restrict purchases to mission essential requirements.

[NOTE: A lack of funding would impact any contractor-based vegetation control.]

56th Special Operations Wing, April through June 1972, Volume 1 (AFHRA Call Number K-WG-56-HI, Apr-Jun 1972, V. 1, IRIS Number 902031):

Aerial photograph of NKP is provided as page xxii:

NKP aerial view, July through September 1972.

56th Special Operations Wing, April through June 1972, Volume 3 (AFHRA Call Number K-WG-56-HI, Apr-Jun 1972, V. 3, IRIS Number 902033),

119

Document L, 56th Security Police Squadron history, 1-31 May 1972, page 5, Commander Conclusion, also paginated as DOC L 28:

Vegetation control on the north, east, and west sides of the outside perimeter was accomplished. Civil Engineers employed a disc harrow in order to prevent foliage from growing rapidly during the rainy season.

[NOTE: The above makes no mention of herbicides being used, possible because it is referring to inside the perimeter fence, which is noted in the CHECO report as being “closely cut.”]

56th Special Operations Wing, April through June 1972, Volume 3 (AFHRA Call Number K-WG-56-HI, Apr-Jun 1972, V. 3, IRIS Number 902033), Document L, 56th Security Police Squadron history, 1-30 June 1972, page 4, Narrative, also paginated as DOC L 48:

Due to heavy rains, vegetation control has become a daily task around the base perimeter.

Page 5, Commander’s Conclusion: Vegetation control has become difficult due to the heavy rains that occurred. Bunker detail worked every day they could in trying to keep the foliage from growing on the outer and inner perimeter.

[NOTE: The above makes no mention of herbicide use. Instead, a daily detail is cited as having to keep the foliage from growing, due to the heavy rains. Since rain would dilute and make any herbicide mixture impotent, it is most likely that this would be a cutting detail as opposed to a herbicide spraying detail.]

56th Special Operations Wing, July through December 1972, Volume 1 (AFHRA Call Number K-WG-56-HI, Jul-Dec 1972, V. 1, IRIS Number 902034):

Aerial photograph of NKP is provided as page xiv:

120

56th Special Operations Wing, July through December 1972, Volume 4 (AFHRA Call Number K-WG-56-HI, Jul-Dec 1972, V. 4, IRIS Number 902037), Document N, 56th Security Police Squadron history, 1-31 July 1972, page 5, Commander’s Conclusion, also paginated as DOC N 6:

Vegetation control on the north, east, and west sides of the outside perimeter was accomplished. Civil Engineers employed a disc harrow in order to prevent foliage from growing rapidly during the rainy season.

[NOTE: The above makes no mention of herbicide use.]

56th Special Operations Wing, January through March 1973, Volume 1 (AFHRA Call Number K-WG-56-HI, Jan-Mar 1973, V. 1, IRIS Number 902038):

Page 117, Security and Law Enforcement: Concertina wire was placed in the vicinity of the main gate for reinforcement of the perimeter fence line. Preventive perimeter post bunkers were repaired on the northeast portion of the base perimeter in order to increase the capability of full fire power in the event of hostile penetration.

[NOTE: Again the priority to secure the base’s security was through the means of physical barriers. No mention of vegetation control is made.]

121

56th Special Operations Wing, January through March 1973, Volume 3 (AFHRA Call Number K-WG-56-HI, Jan-Mar 1973, V. 3, IRIS Number 902040):

Tab L, 56th Civil Engineering Squadron Historical Data Report, Jan-Mar 1973:

Page L-9, Construction Management (for January 1973): Services on contracts for butane bottle gas, custodial services, septic tanks, intrusion alarm systems and vegetation control were performed as specified.

Page L-19, Construction Management (for February 1973): Services on Contracts for butane bottle gas, custodial [service,] septic tanks, intrusion alarm systems and vegetation control were performed as specified. Contracts were transferred from TSgt Zavarelli to SSgt Miller who will act as TRCO. New technical specifications were prepared for FY 74 contracts based upon PACAF Procurement Center standard statements of work.

[NOTE: The contract for vegetation control appears to be more in line with base beautification standards, such as grass cutting, shrub trimmings, sodding and flower planting than with foliage removal around the perimeter fence. But this is not specified. The March 1973 report does not mention vegetation control.]

Tab M, 56th Security Police Squadron Historical Data Report, Jan-Mar 1973:

Page M-4, Narrative (for January 1973): Concertina wire is still not available within 13AF for issue as requested for further reinforcement, of the perimeter fenceline.

[NOTE: No mention of herbicides or vegetation control in this history; instead, the emphasis is still on physical barriers.]

[NOTE: No mention of herbicides or vegetation control in the February 1973 report.]

Page M-43, Narrative (for March 1973): Concertina wire was placed in the vicinity of the Main Gate for reinforcement of the perimeter fence.

[NOTE: No mention of herbicides or vegetation control in this history; instead, the emphasis is still on physical barriers.]

Tab R, Accounting and Finance Historical Data Report, Jan-Mar 1973:

[NOTE: No mention of herbicides or vegetation control in these reports.]

Tab S, Base Procurement Office Historical Data Report, Jan-Mar 1973:

[NOTE: No mention of herbicides or vegetation control in these reports.]

56th Special Operations Wing, April through June 1973, Volume 1 (AFHRA Call Number K-WG-56-HI, Apr-Jun 1973, V. 1, IRIS Number 902040):

122

[NOTE: No mention of herbicides or vegetation control in this history.]

56th Special Operations Wing, April through June 1973, Volume 3 (AFHRA Call Number K-WG-56-HI, Apr-Jun 1973, V. 3, IRIS Number 902043):

Tab L, 56th Civil Engineering Squadron Historical Data Report, Apr-Jun 1973:

Page L-6, Pavements and Grounds (April 1973): Continued effort, drainage ditch cleaning & repair, road patching, dead tree removal and burning.

Page L-11, Engineering Design (April 1973): Final design revisions were completed for all of the following projects and preparation are being made for submission to the PACAF Procurement Center for advanced procurement:

NKP 54-2, Install Perimeter Security Fencing.

[NOTE: Even as the war has finished, the base still did not have a complete perimeter fence.]

Page L-23, Engineering and Construction (May 1973): Candidates for preparation of Military Interdepartmental Purchase Requests were proposed and are awaiting approval on:

NKP 12-4, Clear Base Perimeter, $95,100.00

[NOTE: The base civil engineer was preparing to spend money if any was made available at the end of the fiscal year to apply towards projects that he believed to be of significant value. Clearing the base perimeter of vegetation apparently was finally going to be addressed.]

Page L-31, Programs Division (June 1973): With the end of the fiscal year, NKP received $509,213.00 in FY 73 52X fallout funds, plus $38,800 in 53210 funds. With these funds, thirteen projects were awarded for $548,736. Some of the major projects included: … Clear Base Perimeter…

[NOTE: Although the way the base perimeter was to be cleared is not stated, it is interesting to note that clearing the base perimeter was not a USAF undertaken, but instead, a contractor who did the work and was paid by the USAF. This would reduce the likelihood that herbicides provided by the USAF would have been used in this clearing operation.]

Page L-32, Engineering and Construction: Funds were obligated to OICC for the following projects on 30 June 1973 with FY 73 fallout money:

Project Amount NKP 54-2, Install perimeter Security Fence $46,900.00 NKP 12-4, Perimeter Jungle Clearing $95,200.00

123

Page L-35, Commander’s Conclusions: The unexpected “windfall” of over $500,000 in FY 73 fallout monies will provide urgently needed repairs to our fire station, hootches, and roads. Security will be enhanced with extended clearing of the jungle outward from the perimeter and additional security fencing.

[NOTE: Although jungle clearance had not taken place by the end of June 1973, funding was in place to start a contract and have the problem tackled by a Thai company starting in July 1973. No hint of herbicides in use for this quarter’s historical report.]

Tab M, 56th Security Police Squadron, Historical Data Report, Apr-Jun 1973:

[NOTE: No mention of any perimeter fence issues, vegetation control or herbicide use.]

Tab E, History of Base Operations and Training, Apr 1973:

Page P-2, Disaster Preparedness: Supply picked up our decontamination chemicals to maintain in their warehouse. Supply is maintaining the following levels in their warehouse: Monoethanolamine – 5 [five] 55 gallon cans; Isopropyl Alcohol – 150 [one hundred and fifty] 5 gallon cans; DS-2 - 13 [thirteen] 5 gallon cans.

[NOTE: Although not a herbicide, the above may have confused some veterans as to what was contained in the barrels.]

May 1973:

Page P-5: Six of our five gallon cans of DS-2 that were leaking were repacked in 55 gallon drum and vermiculite for shipment to Pine Buff Arsenal, Arkansas, for disposal.

[NOTE: Although not a herbicide, the above may have confused some veterans as to what was contained in the barrels.]

Jun 1973:

Page P-8: We had difficulty with Supply in maintaining our isopropanol alcohol. The six pallets of cans (each pallet with 24 (twenty-four) 5 gallon cans) were marked with stock number 6505-299-8095, which is a medical supply number and cannot be stored in warehouses by regulation. Lt Col Turner, Chief of Supply, and Lt Col Ring straightened the situation out to allow us to store isopropanol alcohol in the base warehouse.

[NOTE: Although not a herbicide, the above may have confused some veterans as to what was contained in the barrels.]

Tab R, 56th Comptroller’s Office, Historical Data Report, Apr-Jun 1973:

124

Page R-27, Budget: Especially noteworthy is our final Facility Project Program. During the last two weeks of June, the following projects were funded with Command fallout funds:

Nakhon Phanom RTAFB Project Amount 12-4 Clear Base Perimeter $95,200

[NOTE: Another confirmation that end of year funding financed a contract for a Thai company to clear the vegetation away from the perimeter fence.]

Tab S, 56th Procurement Office, Historical Data Record, Apr-Jun 1973:

[NOTE: No mention of any perimeter fence issues, vegetation control or herbicide use.]

56th Special Operations Wing, July through September 1973, Volume 1 (AFHRA Call Number K-WG-56-HI, Jul-Sep 1973, V. 1, IRIS Number 902044):

Page 133, Base Security: NKP’s perimeter measures about 9.05 miles in a near perfect rectangle. It is enclosed with an inner fence of tanglefoot wire and an outer fence of triple standard concertina wire. Trip flares are attached to both fences.

Several klongs (sewage drainage ditches) intersects the perimeter at uneven intervals. All klongs are presently being equipped with Variable Frequency Processors (VFP) to detect movement, expected to be complete near 30 October 73.

[NOTE: No mention of herbicides or vegetation control in this history.]

56th Special Operations Wing, July through September 1973, Volume 3 (AFHRA Call Number K-WG-56-HI, Jul-Sep 1973, V. 3, IRIS Number 902046):

Tab L, 56th Civil Engineering Squadron, Historical Data Record, Jul-Sep 1973:

Page L-5, Programs Division: Funds were provided to Civil Engineering for 1st quarter FY 74, but were then withdrawn. This action left Civil Engineering in a critical situation.

Page L-8, Operations and Maintenance: The Operations and Maintenance Branch devoted the majority of its time to monitoring the Trans-Asia Contract Work Force. Responsibility for all service contracts was shifted from the Engineering and Construction Division to the Operations and Maintenance Division on 21 Sept. These contracts include: vegetation control, bottled propane gas supply, trash removal, septic tank cleaning, custodial, and intrusion alarm maintenance services. This transfer of responsibility also included the transfer of one inspector and one vehicle authorization.

125

[NOTE: The sudden pulling of funds undoubtedly affected which projects NKP wished to pursue, including the jungle clearance program planned from the previous quarter (April through June 1973, NKP 12-4 project); however, the service contract for vegetation control (most probably the grass cutting and hedge trimming type of service) was not affected. It is not noted if the jungle clearance program, funded from fall out funds from the previous fiscal year, was affected by the sudden withdraw of funding in this first quarter of the new fiscal year. It is not talked about at all in this history.]

Tab M, 56th Security Police Squadron, Historical Data Record, Jul-Sep 1973:

[NOTE: No mention of any perimeter issues, vegetation control, or use of herbicides in this history.]

Tab R, 56th Comptroller’s Office, Historical Data Record, Jul-Sep 1973:

[NOTE: No mention of any contracts or spending concerning vegetation control or the use of herbicides in this history.]

Tab S, 56th Procurement Office, Historical Data Record, Jul-Sep 1973:

[NOTE: No mention of any contracts or procurement issues concerning vegetation control or the use of herbicides in this history.]

56th Special Operations Wing, October through December 1973, Volume 1 (AFHRA Call Number K-WG-56-HI, Oct-Dec 1973, V. 1, IRIS Number 902047):

[NOTE: No mention of any perimeter, vegetation control issues or herbicide use in this history.]

56th Special Operations Wing, October through December 1973, Volume 2 (AFHRA Call Number K-WG-56-HI, Oct-Dec 1973, V. 2, IRIS Number 902048):

Tab 9, 56th Civil Engineering Squadron, Historical Data Record, Oct-Dec 1973:

[NOTE: No mention of any perimeter, vegetation control issues or herbicide use in this history. Project NKP 12-4, jungle clearance, is not mentioned.]

Tab 10, 56th Security Police Squadron, Historical Data Record, Oct-Dec 1973:

[NOTE: No mention of any perimeter, vegetation control issues or herbicide use in this history.]

Tab 18, 56th Base Procurement Office, Historical Data Record, Oct-Dec 1973:

[NOTE: No mention of any perimeter, vegetation control issues or herbicide use in this history.]

126

56th Special Operations Wing, January through March 1974, Volume 1 (AFHRA Call Number K-WG-56-HI, Jan-Mar 1974, V. 1, IRIS Number 1002572):

Page 61: Project NKP 54-2, originally designed in 1971, had been revised three times. Completion of this project would give NKP two completed perimeter fences with an additional portion utilized in conjunction with the pressure balance system. The project called for the clearing of the area of vegetation and installing a three tier concertina wire security fence along the perimeter boundaries. The 15 gauge wire was to be strung between 2.4 inch posts, 15 feet apart. A total of $46,800 was funded for the commercial contract. The start construction had been delayed several times because American officials have consistently revised the number of rolls of concertina wire to be supplied to reduce costs.

[NOTE: Evidently, Project NKP 12-4, jungle clearing from the perimeter area, and Project NKP 54-2 were combined and given the new project number Project NKP 54-2. According to Supporting Document 93, contained in Volume 3 of this January through March 1974 history, Project Number 54-2, Work Order Number 24340, Install Perimeter Second Fence, was contracted to United Commercial and Industrial Corporation, for $43,234, and was awarded to that contractor on 12 April 1974 with a start construction date of 30 April 1974. The Estimated Completion Date was 25 August 1974, and as of 11 May 1974, the project was 3.33 percent completed.]

56th Special Operations Wing, January through March 1974, Volume 2 (AFHRA Call Number K-WG-56-HI, Jan-Mar 1974, V. 2, IRIS Number 1002573):

Tab 8, 56th Civil Engineering Squadron Historical Data Record, Jan-Mar 1974:

Page 7, Facilities: During this reporting the following project designs were started and/or completed: q. NKP 54-2, Install Perimeter Security Fence. Design was completed by OICC and advertised for bids in March with a 2 Apr 74 estimated award date. Some of the required concertina wire will be provided by the base.

[NOTE: Although NKP 54-2 project required the clearing of vegetation by the contractor to install the additional fencing, no mention of vegetation control is made in this history.]

Tab 9, 56th Security Police Squadron Historical Data Record, Jan-Mar 1974:

[NOTE: No mention of any perimeter area issues, vegetation control or herbicide use in this history.]

Tab 14, 56th Base Comptroller Historical Data Record, Jan-Mar 1974:

[NOTE: No mention of any perimeter area issues, vegetation control or herbicide contracts or use in this history.]

127

Tab 20, 56th Base Procurement Office Historical Data Record, Jan-Mar 1974:

Page 1, Significant Statistics: During this quarter a total of $297,052.00 were expended. Approximately 70% of expenditures were for various types of services such as Custodial Services, Mess Attendants, Non-Tactical Radio Maintenance, Vehicle Wash, Aircraft Wash, Xerox Copying Service, Vegetation Control and other various services.

[NOTE: The above vegetation control probably means lawn cutting, hedge trimming and weed control and not the perimeter fence foliage control.]

56th Special Operations Wing, April through June 1974, Volume 1 (AFHRA Call Number K-WG-56-HI, Apr-Jun 1974, V. 1, IRIS Number 1000943):

[NOTE: No mention of any perimeter issues, vegetation control or herbicide use in this history.]

56th Special Operations Wing, April through June 1974, Volume 2 (AFHRA Call Number K-WG-56-HI, Apr-Jun 1974, V. 2, IRIS Number 1000944):

Tab 8, 56th Civil Engineering Squadron Historical Data Record, Apr-Jun 1974:

Page 7, Facilities: The following projects are under construction: i. NKP 54-2: Install Security Perimeter Fence. Project started on 17 Jun 74, and is at 25% completed.

Page 12, Operations and Maintenance: The Operations and Maintenance Branch devoted the majority of its time monitoring the Trans-Asia work force and all service contracts. All service contracts were either extended or new ones signed for FY75.

[NOTE: No specific mentions of any vegetation control items in this history.]

Tab 9, 56th Security Police Squadron Historical Data Record, Apr-Jun 1974:

[NOTE: No mention of perimeter area issues, vegetation control or the use of herbicide in this history.]

Tab 19, 56th Base Procurement Office Historical Data Record, Apr-Jun 1974:

Page 1, Significant Statistics: During this quarter a total of $273,957.00 were expended. Approximately 64% of expenditures were for various types of services such as Custodial Services, Mess Attendants, Non-Tactical Radio Maintenance, Vehicle Wash, Aircraft Wash, Xerox Copying Service, Vegetation Control and other various services.

[NOTE: The above vegetation control probably means lawn cutting, hedge trimming and weed control and not the perimeter fence foliage control.]

128

56th Special Operations Wing, July through September 1974, Volume 1 (AFHRA Call Number K-WG-56-HI, Jul-Sep 1974, V. 1, IRIS Number 1002898):

Page 70, Current Construction Projects: Construction work under Project NKP 54-2 [Install Security Perimeter Fence and clear vegetation away from perimeter fence] was behind schedule because the contractor waited too long to start work before the rainy season began. Civil Engineering personnel said the contractor also had not located the extra coils of concertina wire. Project 54-2 was designed to provide additional perimeter security fencing around the base.

[NOTE: No mention of perimeter area issues (besides the fact that work around the perimeter had slowed down), vegetation control or the use of herbicide in this history.]

56th Special Operations Wing, July through September 1974, Volume 2 (AFHRA Call Number K-WG-56-HI, Jul-Sep 1974, V. 2, IRIS Number 1002899):

Tab E, 56th Civil Engineering Squadron Historical Data Record, Jul-Sep 1974:

Page 13, Engineering and Construction: f. Project NKP 54-2, Install Perimeter Security Fence. Contract was let at pre- construction conference held on 22 April 74. The contractor did not start work until late June. The contractor received all government furnished materials. Since the contractor waited so long to start, the rainy season stopped him from paving in the Ammo Area. Also the contractor is having problems finding the additional 350 coils of concertina wire required to complete the project. The contractor has been on liquidated damages since 25 August 74 at $30.00/day with no scheduled completion date. OICC, Lt Morrison stated that the contractor has been notified but has not responded to correct the situation.

[NOTE: Although not stated, the contractor’s problem, probably due to it now being the rainy season, does not include the vegetation control that was also a part of this project. As soon as the rain stopped, the foliage issue would certainly be a rapidly growing problem. Otherwise, there is no mention of any vegetation control or use of herbicides in this history.]

Tab F, 56th Security Police Squadron Historical Data Record, Jul-Sep 1974:

[NOTE: No mention of perimeter area issues, vegetation control or herbicide use in this history.]

Tab P, 56th Comptroller Historical Data Record, Jul-Sep 1974:

[NOTE: No mention of perimeter area issues, vegetation control or herbicide use in this history.]

Tab R, 56th Base Procurement Office Historical Data Record, Jul-Sep 1974:

129

[NOTE: Normally, in this section under “Significant Statistics,” a laundry list of expenditures for various types of services are listed, including “vegetation control;” however, in this history, this service is left out. It could be part of the “and other various services,” that is in this paragraph, or, it could mean that the contract had run out and was not being pursued at this time.]

56th Special Operations Wing, October through December 1974, Volume 1 (AFHRA Call Number K-WG-56-HI, Oct-Dec 1974, V. 1, IRIS Number 1005783):

Page 40, Current Projects: Th4ree construction projects were underway or completed during the quarter. Foremost was the installation of a perimeter security fence. This project, using government furnished concertina wire was completed in December 1974.

[NOTE: Unfortunately, there is no mention of the vegetation clearing around the perimeter fence that the above project also contained. No mention of any vegetation control or use of herbicides in this history.]

56th Special Operations Wing, October through December 1974, Volume 2 (AFHRA Call Number K-WG-56-HI, Oct-Dec 1974, V. 2, IRIS Number 1005784):

Tab E, 56th Civil Engineering Squadron Historical Data Record, Oct-Dec 1974:

Page 4, Facilities: 12. NKP 54-2, Install Perimeter Security Fence – project is 100% completed in December. All concertina wire was government furnished material.

[NOTE: Unfortunately, there is no mention of the vegetation clearing around the perimeter fence that the above project also contained.]

Page 9, Engineering and Construction: c. Project NKP 54-2, install perimeter security fence – all work completed and accepted as of December.

[NOTE: Unfortunately, there is no mention of the vegetation clearing around the perimeter fence that the above project also contained.]

Tab F, 56th Security Police Squadron Historical Data Record, Oct-Dec 1974:

[NOTE: No mention of vegetation control or herbicide use in this history.]

Tab P, 56th Comptroller’s Office Historical Data Record, Oct-Dec 1974:

[NOTE: No mention of expenditures on vegetation control or herbicide use in this history.]

Tab R, 56th Procurement Office Historical Data Record, Oct-Dec 1974:

130

[NOTE: For a second quarter in a row, this section normally states under “Significant Statistics,” a laundry list of expenditures for various types of services are listed, including “vegetation control;” however, in this history, this service is left out. It could be part of the “and various other services,” that is in this paragraph, or, it could mean that the contract had run out and was not being pursued at this time.]

[NOTE: No funding is noted for vegetation control or herbicide use in this history.]

56th Special Operations Wing, January through March 1975, Volume 1 (AFHRA Call Number K-WG-56-HI, Jan-Mar 1975, V. 1, IRIS Number 1006661):

Page 43, New Construction: There were no new construction projects started during this quarter, primarily due to uncertainties of base tenure. Three FY76 projects were canceled in January 1975.

[NOTE: No mention of perimeter fence issues, vegetation control or herbicide use in this history. It is now obvious that the base was probably going to close and all but the most required maintenance was stopped.]

56th Special Operations Wing, January through March 1975, Volume 2 (AFHRA Call Number K-WG-56-HI, Jan-Mar 1975, V. 2, IRIS Number 1006662):

Tab E, 56th Civil Engineering Squadron Historical Data Record, Jan-Mar 1975:

[NOTE: No mention of vegetation control or herbicide use in this history.]

Tab F, 56th Security Police Squadron Historical Data Record, Jan-Mar 1975:

[NOTE: No mention of vegetation control or herbicide use in this history.]

Tab P, 56th Comptroller’s Office Historical Data Record, Jan-Mar 1975:

[NOTE: No mention of vegetation control or herbicide use in this history.]

Tab Q, 56th Procurement Office Historical Data Record, Jan-Mar 1975:

[NOTE: No mention of vegetation control or herbicide use in this history.]

[NOTE: It is not surprising that such housekeeping items such as vegetation control ceased to be reported as the base was starting to close at this time. Funding was tight and numerous projects were cancelled in preparation of getting the order to close the base.]

56th Special Operations Wing, April through June 1975, Volume 1 (AFHRA Call Number K-WG-56-HI, Apr-Jun 1975, V. 1, IRIS Number 1009064):

Page 50, Retrograde Activities:

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Effective 30 June 1975, the Thailand-wide U.S. Air Force contract with Trans- Asia Engineering Incorporated expired. This resulted in moving the facility support/upkeep base Civil Engineering Office. Due to the increased CE functions, 362 local nationals relieved as well as three U.S. civilians who filled management positions. The increased workload was also relieved with the arrival of 22 NCO’s under the Prime Beef Program. All this has allowed the CE shop to keep abreast of the most current developments.

[NOTE: With the imminent closure of Nakhon Phanom, some housekeeping contracts were cancelled, which included, no doubt, the mowing, trimming, and vegetation control at the base. It was now the responsibility of the 56th Civil Engineering Squadron.]

56th Special Operations Wing, April through June 1975, Volume 2 (AFHRA Call Number K-WG-56-HI, Apr-Jun 1975, V. 2, IRIS Number 1009065):

Tab E, 56th Civil Engineering Squadron Historical Report, Apr-Jun 1975: Page 2, Personnel Status: Effective 30 June, the civilian maintenance contractor, Trans-Asia, was officially terminated at the Civil Engineering organization has taken up the total responsibility for the operation of base utilities and performing base maintenance.

Page 10, Commander’s Conclusions: The contract between Trans-Asia Engineering Incorporated and the U.S. Air Force on all Thailand bases was terminated effective 30 June 1975. Extensive pre-planning was required to transfer all BCE functions from contract to USAF in- house operation. The combined work of all personnel, contactor included, resulted in an orderly and in a mass wage board rehire of 362 Local National former Trans-Asia employees.

[NOTE: Although Trans-Asia lost the contract, its employees were hired by the base to continue their duties (vegetation control included) under the base civil engineer.]

Tab F, 56th Security Police Squadron Historical Data Record, Apr-Jun 1975:

[NOTE: No mention of vegetation control or herbicide use in this history.]

Tab P, 656th Comptroller Division History, Apr-Jun 1975:

[NOTE: No mention of vegetation control or herbicide use in this history.]

Tab Q, 656th Base Procurement Office Historical Data Record, Apr-Jun 1975:

Page 1, Significant Statistics: During this quarter, a total of $239,168.00 were expended. Approximately 60% of expenditures were for various types of recurring services such as Custodial Services, Mess Attendants, Non-Tactical Radio Maintenance, Vehicle Wash, Aircraft Wash and various other services.

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[NOTE: It is assumed that part of the Custodial Services noted above were for vegetation control.]

[NOTE: The 56th Special Operations Wing transferred from NKP to MacDill AFB, FL as of 1 July 1975, replaced by the 656th Special Operations Wing. NKP was closed in October 1975.]

656th Special Operations Wing, July through October 1975, Volume 1 (AFHRA Call Number K-WG-656-HI, Jul-Oct 1975, V. 1, IRIS Number 1009402):

Chronology: July 1975 1 Following reassignment of the 56th Special Operations Wing (without personnel and equipment) to MacDill Air Force Base, Florida on 30 June 1975, the residual personnel remaining at Nakhon Phanom Royal Thai Air Force Base, Thailand were assigned to the 656th Special Operations Wing.

September 4 A Joint Chiefs of Staff directive established 31 October 1975 as the Nakhon Phanom RTAFB closure date, and directed inactivation of the wing. The 656 SOW immediately executed standdown and began preparation for aircraft functional check flights.

22 The 656th Special Operations Wing officially inactivated at 2400 hours local.

Page 1: Following inactivation of the wing, the 656th Combat Support Group remained in place to accomplish complete closure of Nakhon Phanom Royal Thai Air Force Base by 31 October 1975.

[NOTE: No mention of vegetation control or herbicide use in this history.]

656th Special Operations Wing, July through October 1975, Volume 2 (AFHRA Call Number K-WG-656-HI, Jul-Oct 1975, V. 2, IRIS Number 1009403):

Tab D, 656th Supply Squadron, Historical Data Record, Jul-Oct 1975:

[NOTE: No mention of vegetation control or herbicide use in this history.]

Tab E, 656th Civil Engineering Squadron, Historical Data Record, Jul-Oct 1975:

[NOTE: No mention of vegetation control or herbicide use in this history.]

Tab F, 656th Security Police Squadron, Historical Data Record, Jul-Sep 1975:

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Page 3, Narrative: On 28 July 1975, contacts were negotiated with civilian concerns to have garbage picked up at each security post at least once a week. A contract was also negotiated to insure that he grass growing in and around each security post was cut on a continuing basis.

Page 7: The removal/turn-in of sensors on the perimeter was completed on 18 September.

Tab F, 656th Security Police Squadron, Historical Data Record, Oct 1975:

Page 6, Narrative: The Air Base Defense mission was gradulally7 turned over to the Royal Thai Air Force throughout the closure period. The perimeter towers and bunkers were turned over to them one month before closure. Security Police withdrew to a secondary line of defensive bunkers nearer the cantonment area. Security Alert Teams and Quick Reaction Force response to the perimeter was retained. The entire security function was turned over to the Royal Thai Air Force six days before closure [17 October 1975].

[NOTE: As can be seen from the above, responsibility for base defense was transferred to the Royal Thai Air Force, so vegetation control along the perimeter would be their responsibility.]

Tab O, 656th Comptroller Division History, Jul-Oct 1975:

[NOTE: No mention of vegetation control or herbicide use in this history.]

Tab P, 656th Base Procurement Office Historical Data Record, Jul-Oct 1975:

[NOTE: No mention of vegetation control or herbicide use in this history.]

[NOTE: As of 31 October 1975, Nakhon Phanom Royal Thai Air Force Base no longer had any USAF forces present.]

Pages 70-72, Takhli RTAFB: [No mention of vegetation control is made. Vehicle, communications and lighting take up the security concerns devoted to this installation and therefore leads one to assume that vegetation in 1972, when the report was written, was not a problem at this base.]

Takhli RTAFB:

[NOTE: Before the 355th Tactical Fighter Wing took over as the host unit of Takhli, the 6235th Combat Support Group was the housekeeping organization. Before the 6235th was the 331st Air Base Squadron. The 6235th Combat Support Group histories were submitted to the AFHRA as supporting documents to the 35th Tactical Group histories.]

6011th Air Base Squadron, unk-8 Jul 1963 331st Air Base Squadron, 8 Jul 1963-7 May 1965

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6235th Combat Support Group 8 May-8 Nov 1965 355th Combat Support Group, 8 Nov 1965-10 Dec 1970 6235th Air Base Squadron, 11 Dec 1970-Apr 1971 CLOSED, April 1971-May 1972 366th Combat Support Group, 13 Jun-31 Oct 1972 6280th Combat Support Group, 1 Nov 1972-29 Jul 1973 347th Tactical Fighter Wing, 30 Jul 1973-14 Jul 1974 6280th Combat Support Group, 15 Jul-12 Sep 1974 CLOSED, 13 Sep 1974

35th Tactical Group, 1 January through 30 June 1964 (AFHRA Call Number K-GP-35-HI, Jan-Jun 1964, IRIS Number 435558):

Roster of Key Personnel:

Takhli, Thailand: 331st Air Base Sq Det 1, 401st Tactical Fighter Wing Det 12, 30th Weather Squadron

Historical Data Record, 331st Air Base Squadron:

Page 1, Mission: The mission of the 331st Air Base Squadron is to provide administrative, logistical and housekeeping support for all USAF units assigned, attached, or deployed to Takhli Air Base Thailand; to include rotational and contingency forces required to fulfill US commitments to Thailand.

Page 4, Operations: Detachment #1, 27 TFW from Cannon AFB, New Mexico continued to man our F-100 commitment at Takhli until April, 1964.

The fighter contingent at Takhli consisted of six (6) F-100 aircraft with the primary mission of training. During SEATO exercise Air Boon Choo, which was conducted from 20 to 30 April, the pilots of Det #1, 27 TFW, were supplemented with an additional 3 F-100’s from the 612th TFW of Clark AFB, Phil Islands.

On 29 April, 1964, Det #1, 27 TFW was relieved by Det #1, 401st TFW, of England AFB, Louisiana.

On 4 June 1964, Det #1, 401st TFW was relieved by Det #1, 3rd Fighter Wing, also of England AFB arrived at Takhli.

[NOTE: As can be seen from the above, Takhli was a semi-permanent base that primarily served small rotational fighter units. Air base defense was still the responsibility of the Royal Thai Air Force and not the USAF. Therefore, there is no call for vegetation control along the perimeter of the base and no herbicides were used by USAF forces at this time.]

35th Tactical Group, 1 July through 31 December 1964, Volume 3 (AFHRA Call Number K-GP-35-HI, Jul-Dec 1964, V. 3, IRIS Number 435561):

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Historical Data Record, 331st Air Base Squadron, Jul-Dec 1964:

[NOTE: There is no mention of any security issues in this history. The civil engineering section concerns itself with altering and maintaining various buildings and new construction in regards to shops, recreation facilities and swimming pool, runway overruns and power distribution systems. No vegetation control or herbicide use mentioned in this history.]

35th Tactical Group, 1 January through 30 June 1965 (AFHRA Call Number K-GP-35-HI, Jan-Jun 1965, IRIS Number 435562):

Page 1, Mission: To assist the RTAF in the training of personnel of the Royal Thai Air Force. To support USAF units and detachments located in Thailand, which are assigned or attached to the 2nd Air Division. To exercise operational control or command, as directed by competent authority, over those USAF units and detachments located in Thailand in support of the 2nd Air Division.

Page 3, Organization: The 6235th Combat Support Group was designated and organized at Takhli Air Base, Thailand, on 8 May 1965, with assignment to Thirteenth Air Force and attachment to the 2nd Air Division.

Also designated and organized at Takhli under the 6235th Combat Support Group on 8 May 1965 were the 6235th Support Squadron and the 6235th Materiel Squadron. The 331st Air Base Squadron at Takhli was discontinued on 8 May 1965, being inactivated and reverting to control of the Department of the Air Force.

355th Tactical Fighter Wing, July through December 1965 (AFHRA Call Number K-WG-355-HI, Jul-Dec 1965, IRIS Number 456395):

Page 2, Addition of Facilities: Despite problems, several gains were made during this period, mostly in facilities. The general appearance of the airfield improved and a greater safety factor achieved by cutting of tall grass throughout the area. Runway approaches were improved by cutting tall trees and filling in of a ditch beyond the southern overrun.

Page 17, Air Police Squadron: On November 8, the Air Police Section of the 6235th Combat Support Group was inactivated and the 355th Air Police Squadron activated.

Page 18: The Royal Thailand Air Force (RTAF) security provided one of their air police to accompany the off base patrol; one at the entrance gate and two for the Security Alert Team. In addition, nine to twelve basic trainee security guards were provided during the hours of darkness. They were used in the munitions storage are and along the flightline. However, this use of basic trainees proved useless for the troops were unreliable since they were untrained—tired from training all

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day and equipped with old weapons, consequently several were caught sleeping on duty.

Page 20, Civil Engineering Squadron: Conditions of Base Streets. The streets of the base have deteriorated rapidly due to the increase use and excessive loads. All streets were laterite base which gives way under excessive use and wet weather. Maintenance of the streets has been limited since Civil Engineers did not have the proper equipment and manhours to accomplish it.

Takhli RTAFB Main Gate, September 1965. No paved roads, no perimeter fence.

Supporting Document 16, Historical Data Report, 355th Security Police Squadron, Jul-Dec 1965:

Page 2, Facilities: During the period 1 Jul thru 20 Sep 65, the only air police facility was a temporary building located on the flightline. This building was completely renovated by off duty air policemen and divided into three rooms.

Physical Safeguards: Air Police personnel fabricated 300 portable stanchions, 200 restricted area signs, all traffic control signs and erected flight line barricades.

[NOTE: While trying to open a bare base, it should be kept in mind that the Air Police do not have authority over the entire complex and are barely able to conduct minimum security for the base. There is no perimeter fence at this time and vegetation control is not on their ‘to do’ list.]

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Supporting Document 16, Historical Data Report, 355th Civil Engineering Squadron, Jul-Dec 1965:

Page 1: Roads have deteriorated rapidly due to the increased use and excessive loads. All roads have a laterite base which gives way under excessive use and wet weather. Maintenance of roads has been limited since CE does not have proper equipment and available manhours to accomplish it. There is a request for approval of a $120,000.00 Road Maintenance contract at 13th Air Force which was submitted during December 1965.

[NOTE: No mention of vegetation control. At this time the CE squadron was more concerned about getting passable roads than foliage control.]

355th Tactical Fighter Wing, January through June 1966, Volume 1 (AFHRA Call Number K-WG-355-HI, Jan-Jun 1966, V. 1, IRIS Number 456396):

Page 68, U.S. Property: Even with the huge construction program going on at this base, it was reiterated by the Deputy Commander, 7/13AF that the United States did not own property in Thailand but was merely a guest of the Royal Thai Government. Therefore, the facilities being constructed were for American usage, butyl with American money, but in all sincerity belonged to the Thai Government. This hampered the construction program at various times, because no new projects or alterations to existing facilities could be made without prior approval of the Royal Thai Government.

Page 69: This meant that the facility would be drawn up locally by the Engineering and Construction Division with a cost estimate, then sent to higher headquarters for approval, then back to COMUSMACTHAI for them to send to the RTG for their siting approval and authority for construction. However, with the arrival of PRIME BEEF [or RED HORSE] teams from the CONUS for short period of time, it was requested of the RTG to let the RTAF commander at each particular installation give the siting and construction approval on critical projects to be accomplished by the teams. There was no answer as to the RTG position by the end of the period. So in the interim each base civil engineer would identify the projects and hand carry six copies of the site plans, narrative work scope, including justification and cost and type funding, through COMUSMACTHAI for RTAF approval/construction authority.

[NOTE: I include the above to show how complicated it was at this time to get any approval by the Thai government for construction at USAF bases. The use of herbicides, if desired, would have to go through the same process.]

Page 77, 355th Air Police Squadron: The AP squadron was to provide security for combat capability of the 355th TFW, protect all USAF resources, and enforce law and order on Takhli RTAFB. The Air Police squadron was augmented in March by Thai Security personnel. There were a total of 225 Thai reservists called back to active duty by the RTAF. The unit was the 4th Thai Security Guard Company, 1st Battalion. These personnel

138 were assigned to security duties in areas where armed guards were considered essential.

[NOTE: At this time USAF personnel were not allowed to carry weapons, so any armed sentries along the perimeter area would have been Thai Security personnel, not USAF members. Since the RTAF provided the security, the notion that there would be a sense of urgency for vegetation control during this time is a misunderstanding of the Thai attitude concerning security. The Thai’s believed that their bases were secure and that there was no security threat against them. Therefore, Thai officials would treat something like vegetation control around the base perimeter, to allow sentries to sound the alarm by observing enemy forces getting close to the base, as a foolish and unnecessary idea and precaution.]

355th Tactical Fighter Wing, January through June 1966, Volume 1 (AFHRA Call Number K-WG-355-HI, Jan-Jun 1966, V. 1, IRIS Number 456396); and Volume 3, Supporting Document 56, “Strange Story of How AF Got Rid of Its Goats,” Pacific Stars and Stripes Edition, Vol 22, No. 238, Saturday, August 27, 1966:

Pages 85-86: In mid-1965, certain areas of the base were becoming over grown with jungle growth. It was suggested that a heard of natural brush eaters, goats, be acquired. So First Lieutenant Michael K. Lusey, Air Police Squadron, purchased a herd of 44 goats on behalf of the Air Force to aid in disposing of the intense undergrowth.

Once the build-up started at Takhli sufficient machinery was sent in to accomplish grass and brush cutting, so the goats were no longer needed. But getting rid of them was easier said than done. The problem was: How does the base get rid of a herd of Air Force goats? Before a solution was reached they had become a problem of grave concern. The herd was bucked from one squadron or section to another because of being a nuisance and finally ended up on the fuel storage area. But still nobody wanted them as they stank and needed milking. They would pounce atop cars and trucks and the fuel tanks; get hung up in fences and bleat during the night, shattering nerves. And on top of this, they had grown dissatisfied with the brush they were supposed to be eating and starting eating the choice grass that base personnel had planted for beautification.

Base officials wanted to “Get rid of those goats!” But the salvage personnel determined that there was no officially legal way of destroying a herd of Air Force goats. The regulations tell all about how to get rid of working horses, mules, and dogs. Nothing about goats. Base salvage officer, Master Sergeant Richard J. Kaptiz, ruled that “You may not harm one hair on the goats. They are Air Force livestock and must be treated accordingly.” Kaptiz took the problem to the MACTHAI (Military Assistance Command-Thailand) salvage agent for an answer. A year after the goats were purchased came the final answer from Department of Defense and State Department officials located in Bangkok. They stated:

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“We will transfer the goats to the Department of State. Just a paper transaction. No goat homicides. No funds involved. Regulations permit transfer of property between U.S. Government agencies.”

Arrangements were made by base salvage section and the State Department to transfer the herd (now 49 strong) to a 2,000 acre farm in Northern Thailand under the guidance of the U.S. Operations Mission for Thailand. They were given to the of the Public Safety Department to bolster milk supplies. The area they were taken to was the mountain country of Chiang Mai, about 325 miles from Takhli.

Sergeant Kaptiz enlisted the aid of the 355th Transportation Squadron to move the herd north. The squadron assigned Senior Master Sergeant Arzie Templeton of Nashville, Tennessee, Airman First Class Donnie L. Duval of Danville, Virginia, and Airman First Class George S. Riley of Duluth, Minnesota, to assist Kapitz in the transfer. The foursome was given two one and a half ton trucks to accomplish the mission.

Elaborate plans were made to feed and water the goats and to bed them down overnight. The trucks rolled through the gate at 5 a.m. and headed north. The goats became irritated. They wouldn’t eat or drink at the way stations. Tumults were created as the trucks, loaded with the noisiest cargo on earth, passed through villages. Kapitz tried to console the herd. For an answer, two of the nannys kidded, or lambed or foaled or whatever it is goats do when they sprout offspring. “I am,” growled Kapitz, “supposed to be getting rid of goats—not getting more.”

At several points, drivers Duval and Riley were confronted with wild elephants. They skidded the trucks to a stop. The elephants trumpeted and the goats baaa- a-ed. The jungle was turned into bedlam. Finally the elephants turned up their noses and wandered off into the jungle. And so the caravan arrived at the American Consulate in Chiang Mai at 2 a.m. the following day. They roused the Consul General from his slumber. “Here, sir, are your goats,” Kaptiz announced.

Unbelievably unimpressed, the consul general yawned. “Put them in the compound and let’s get some sleep.”

So the goats were impounded in the compound for the rest of the night. Next morning, with the aid of native boys, they were reloaded into the trucks and the caravan made its way up through the mountain country to the Border Police Patrol ranch. As each of the goats scampered away to the freedom of their new home on the range, Kaptiz’s smile became broader. “Being a salvage officer has both its terrifying and rewarding moments,” he said.

[NOTE: As can be seen from the above, herbicides were not the primary means of vegetation control, but goats, at first, followed up by mowing.]

355th Tactical Fighter Wing, January through June 1966, Volume 3 (AFHRA Call Number K-WG-355-HI, Jan-Jun 1966, V. 3, IRIS Number 456398):

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Tab 46, 355th Civil Engineering Squadron Historical Report, 1 Jan through 20 June 1966:

[NOTE: No mention of vegetation control or any construction projects for the perimeter fence.]

Tab 49, 355th Security Police Squadron Historical Report, 1 Jan through 30 Jun 1966:

[NOTE: No mention of vegetation control or any construction projects for the perimeter defense.]

Supporting Document 56, “Strange Story of How AF Got Rid of Its Goats,” Pacific Stars and Stripes Edition, Vol 22, No. 238, Saturday, August 27, 1966 (see above in Volume 1 transcript for full article).

355th Tactical Fighter Wing, July through December 1966, Volume 1 (AFHRA Call Number K-WG-355-HI, Jul-Dec 1966, V. 1, IRIS Number 456399):

Page 108, Base Civil Engineer Projects in Progress Dec 66: 39-7 Perimeter Road – AMMO, 13,100 feet Under Contract

Page 110, Follow-Up Inspection: In August a follow-up inspection of the 13AF General Inspection of 21-26 February 1966 was conducted. During this inspection 45 of the closed discrepancies were reopened. Although most discrepancies had been corrected, there were still areas where improvement was needed.

Page 112: Open items in the Security Police Squadron included discrepancies in the munitions area. It was found that he munitions area was still not properly cleared of undergrowth and there were no perimeter lights around the area. There was still no perimeter road around the inside of the munitions storage dump and the team noted that the area could not be properly safeguarded without access to the fence at all points. A project for a perimeter fence and lighting was being proposed for submission to 13AF. The lack of a perimeter road or fence around the U.S. portion of the base was also expected to be corrected by a project submission to 13AF.

Page 114, Problem Areas: The lack of physical security safeguards, i.e., perimeter fence and lighting, with appropriate controlled entry points was considered a major security problem area which hopefully will be corrected in future programming plans.

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Takhli RTAFB’s main gate, late 1966. Original photo caption read: The main gate is the only authorized entry point to USAF facilities at Takhli RTAFB but because there is no fence on the perimeter of the base; thieves and other unauthorized persons can get on and off the base without going through the check point.

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Takhli’s Ammo Dump perimeter fence, 1966. Original caption read: The Takhli Ammo Dump, used for the storage of armament used by USAF aircraft, is watched over from towers situated on its perimeter. Only Thai guards are allowed to bear arms. All towers have not as yet been supplied with lights to better implement night-time security.

355th Tactical Fighter Wing, July through December 1966, Volume 3 (AFHRA Call Number K-WG-355-HI, Jul-Dec 1966, V. 3, IRIS Number 456401):

Supporting Document 26, Follow-Up To General Inspection of 355th Tactical Fighter Wing, Takhli, Thailand, 9 August 1966, by the Thirteenth Air Force Inspector General:

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Page 1, Cover letter of 24 August 1966 from 13AF/IGIN (Colonel Robert W. Gates) to 355th TFW, Subject: Report of Follow-Up Inspection of the General Inspection:

This is a Report of Follow-Up of the General Inspection conducted 21-26 February 1966. The Follow-Up Inspection was conducted 9 August 1966. During this inspection 45 of the closed discrepancies were reopened. Attached is the status of all discrepancies noted in the General Inspection.

Tab C, 355th Air Police Squadron: Operations: Findings: OPEN – The munitions area was not properly cleared of undergrowth. This constituted a security hazard as well as a potential fire hazard.

STATUS: The munitions area was not properly cleared of undergrowth, and there were no perimeter lights around area.

OPEN – There was neither perimeter road nor complete fencing around the U.S. portion of the base.

STATUS: Project Takhli 42-7 to build a perimeter road and fence was being proposed for submission to 13AF.

OPEN – There was a lack of physical safeguards around the flight line/aircraft parking area. Work orders had been submitted for fencing and lighting, but it appeared that too low a priority, combined with a lack of aggressive follow-up, had produced little results.

STATUS: Flight line parking areas were not fenced. Some fixed and some portable lights were insufficient.

Supporting Document 30, 355th Civil Engineering Squadron History, July- December 1966:

[NOTE: There is no mention of vegetation control in this unit’s history.]

355th Tactical Fighter Wing, January through June 1967, Volume 1 (AFHRA Call Number K-WG-355-HI, Jan-Jun 1967, V. 1, IRIS Number 456403):

Page 168, Facilities: During this six-month period, many acres of jungle on the base at Takhli were cleared for construction sites and to improve security for specific and general areas. As the jungle was pushed back, the base assumed a new face, with the appearance of organization and inhabitation as opposed to that of an outpost. This was particularly true in the new south cantonment area where the major portion of construction was in progress.

Page 184, Security Problem Areas:

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The lack of physical security safeguards (i.e., perimeter fence and lighting), with appropriate controlled entry points, was considered a major security problem area that hopefully would be corrected in the future.

355th Tactical Fighter Wing, January through June 1967, Volume 2 (AFHRA Call Number K-WG-355-HI, Jan-Jun 1967, V. 2, IRIS Number 456404):

Supporting Document 21, 355th Civil Engineering Squadron 1 January through 30 June 1967 history:

Page 2: Many acres of jungle on the base were cleared for construction sites and to improve security for specific and general areas. As the jungle was pushed back, the base assumed a new face, organized and inhabited, as opposed to that of an outpost appearance. This was particularly true in the new south cantonment area where the major portion of construction was in progress.

[NOTE: Clearing of jungle would denote bulldozing to immediately remove jungle growth for construction, not the use of slow acting and debris leaving herbicides.]

355th Tactical Fighter Wing, January through June 1967, Volume 3 (AFHRA Call Number K-WG-355-HI, Jan-Jun 1967, V. 3, IRIS Number 456405):

Supporting Document 33, 355th Security Police Squadron 1 January through 30 June 1967 history:

[NOTE: No mention of herbicide use or vegetation control along the perimeter fence line in this unit history.]

355th Tactical Fighter Wing, July through September 1967, Volume 1 (AFHRA Call Number K-WG-355-HI, Jul-Sep 1967, V. 1, IRIS Number 456406):

Page 209, Security: The lack of physical security safeguards (i.e., perimeter fence and lighting), with appropriate controlled entry points, continued during this quarter as a major security problem that hopefully might be corrected in the future.

[NOTE: No mention of vegetation control is made in this history.]

355th Tactical Fighter Wing, July through September 1967, Volume 3 (AFHRA Call Number K-WG-355-HI, Jul-Sep 1967, V. 3, IRIS Number 456408):

Supporting Document 31, 355th Civil Engineering Squadron, 1 July through 30 September 1967 history:

[NOTE: No mention of vegetation control is made in this history.]

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Supporting Document 35, 355th Security Police Squadron, 1 July through 30 September 1967 history:

[NOTE: No mention of vegetation control is made in this history.]

355th Tactical Fighter Wing, October through December 1967, Volume 1 (AFHRA Call Number K-WG-355-HI, Oct-Dec 1967, V. 1, IRIS Number 456409):

Page 98, Security: One security problem that carried over from the preceding quarter was the lack of physical security safeguards (i.e. perimeter fence and lighting), with appropriate controlled entry points. This was a major security problem that hopefully might be corrected in the future.

[NOTE: No mention of vegetation control is made in this history.]

355th Tactical Fighter Wing, January through March 1968, Volume 2 history (AFHRA Call Number K-WG-355-HI, Jan-Mar 1968, V. 2, IRIS Number 456412):

Appendix IV, 355th Combat Support Group Historical Data Report, Jan-Mar 1968:

Page 13, Security Police Squadron: Very few of the restricted areas have security fencing or lighting installed. Around the perimeter, most of these areas have been projected for fencing, lights and communication in MCP 70 [military construction program fiscal year 1970].

Page 14: [The narrative is concerned about the amount of theft on base]:

Several acts of improvements could be instituted on base such as fencing the base proper, installation of fences and lights around restricted areas.

[This insinuates that there wasn’t even a perimeter fence around Takhli in 1968.]

Attachment 3, 355th CES, Jan-Mar 1968:

Page 7: As a result of a USAF requirement for a bombing range in Thailand, the 355th Civil Engineering Squadron was directed to program the necessary support facilities to allow joint usage of the Royal Thai Air Force Scorable Bomb Range at Muan Kom (Chandi). Two (2) projects for construction by contract were initiated in February 19668. The work under project TAK 150-8 included the construction of a Helicopter Pad, Vehicle Shed, Water Tower and enclosing a Flank Tower. Project TAK 159-8 consisted of clearing approximately thirty seven (37) acres of dense vegetation on the range. These projects were under design by late March 1968.

Attachment 2 to Attachment 3, In-House Projects, 1 Jan 68-31 Mar 68:

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Work Order Number: 893-67

Clear all jungle obstruction and level area for a 1,000 foot radius around TACAN facility, 27 Mar 68, $19,328.32.

[NOTE: The above appears to be new construction clearing where a bulldozer would have been used to clear the jungle, not slow acting and debris leaving herbicides.]

355th Tactical Fighter Wing, April through June 1968, Volume 1 history (AFHRA Call Number K-WG-355-HI, Apr-Jun 1968, V. 1, IRIS Number 456414):

Page 118, Adequacy of Facilities: An important new wing facility became operational during this quarter with the opening of the Chandy Bombing Range on 25 June 1968. This facility was expected to be vital in the orientation and continuing training of aircrews of the 355th TFW and other U.S. Air Force elements based in Thailand.

[NOTE: No mention of vegetation control is made in this history. The opening of Chandy Bombing Range, noted above, shows how fast the jungle was cleared and the range put into operational use—something that herbicides would not have allowed—from the previous quarter’s order to come up with a plan for a bombing range.]

355th Tactical Fighter Wing, April through June 1968, Volume 2 history (AFHRA Call Number K-WG-355-HI, Apr-Jun 1968, V. 2, IRIS Number 456415):

Historical Data Record, 355th Civil Engineering Squadron, Apr-Jun 1968:

Attachment 1, Page 2, Minor Construction Projects Cont’d.:

Project No.: TAK 159-8 Title: Clearing at Chandy Range Cost ($000): 2.8 Started: 5-8 Completed: 6-8

355th Tactical Fighter Wing, April through June 1968, Volume 2 history (AFHRA Call Number K-WG-355-HI, Apr-Jun 1968, V. 2, IRIS Number 456415):

Appendix IV, 355th Combat Support Group Historical Data Report, Jan-Mar 1968:

Page 15, Security: On 11 June 1968, this unit received a message from 13AF directing that the security protective measures outlined in PACAF Manual 207-25, Security Police Guidance for Guerilla/Insurgency/Limited War Environments, be

147 implemented immediately. The PACAFM represented a compilation of Air Force experience in the defense of Air Bases in Vietnam. Basically, the changes that are, or will be required concern additional availability of personnel for immediate response to hostile acts and the attainment of combat designed equipment. Although austere manpower precludes full compliance, immediate steps have been taken to implement the manual within our capacity. Equipment now being authorized for Security Police usage has been ordered. This transition, especially to the use of combat designed equipment, will take time and is not expected to be immediate.

[NOTE: The emphasizes on people and equipment illustrates the mind-set of those in charge of the base’s defense and that such steps as vegetation control around the perimeter fence, when there was a perimeter fence, was not very high on the list of base defense preparations.]

History of the 355th Civil Engineering Squadron, Apr-Jun 1968: Page 5: Service contracts were prepared for services to be performed in FY69. These included custodial services, grounds maintenance, power plant maintenance and operation, refuse collection, water hauling and septic tank cleaning. Approval for the grounds maintenance contract has not been received from higher headquarters as of 30 June 1968.

[NOTE: Evidently the normal grass mowing, tree trimming and hedge clipping type duties within the base itself was contracted out to local national Thai companies whenever possible. Otherwise, there is no mention of vegetation control made in this history.]

355th Tactical Fighter Wing, July through September 1968, Volume 1 history (AFHRA Call Number K-WG-355-HI, Jul-Sep 1968, V. 1, IRIS Number 456418):

Page 94, Adequacy of Facilities: In an action designed to enhance security at Takhli RTAFB, the Wing submitted a program request to Thirteenth Air Force in August, 1968, for perimeter roads, double perimeter fencing around the base, and perimeter security lighting. This action was directed by Seventh Air Force/Thirteenth Air Force. However, Thirteenth Air Force informed Wing officials on 10 August 1968 that there was a known shortage of construction funds and that commanders would have to evaluate each requirement carefully. Thirteenth Air Force acknowledged that great emphasis was being given to the security program, but said there was no evidence that there would be “blank check” funding. That headquarters aid that projects for security facility requirements, both O&M and MCP [operations and maintenance; military construction program], would be submitted to PACAF as a complete package for approval. Thirteenth Air Force also reminded the Wing that siting approval by the Royal Thai Air Force was required for all projects, including types of fencing.

[NOTE: Despite the attention for security for the base, vegetation control is not mentioned in this history.]

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355th Tactical Fighter Wing, July through September 1968, Volume 3 history (AFHRA Call Number K-WG-355-HI, Jul-Sep 1968, V. 3, IRIS Number 456420):

Appendix 4, Historical Data Record of the 355th Civil Engineering Squadron, Jul-Sep 1968:

Page 6: In order to increase the security of the base, a program was submitted to 13AF, for perimeter roads, double perimeter fencing around the base and perimeter security lighting. These projects were directed by 7/13AF message.

The first revision of the FY-69 financial plan as accomplished during August and September. A subsequent review by 13AF reduced the minor construction program from $240,000 to $150,000, and also reduced our funds for rental equipment from $44,800 to $11,000. This cut in rental equipment funds will virtually eliminate the resources to perform clearing of jungle areas on base for increasing security.

[NOTE: The above clearly shows that any on-going vegetation control, at least on base, that had been in being was dependent upon equipment (i.e., mowers, bulldozers, etc.) to clear vegetation—not herbicides. Now it appears that on- base vegetation control would cease, due to lack of funds. It is not clear how this affected any perimeter vegetation control, if any existed at this time (so far no hint that there was any vegetation control at the perimeter fence at this time).]

Page 7: After much revision, and through considerable communication with higher headquarters, service contracts were finally approved and awarded for Ground Maintenance and Custodial Services. This releases military and other in-house personnel for other work necessary to the wing mission.

[NOTE: This appears to refer to the on base ground maintenance and vegetation control (grass mowing, shrub clipping, tree trimming), as opposed to foliage control on the perimeter fence.]

Appendix 4, Historical Data Record of the 355th Security Police Squadron, Jul- Sep 1968:

[NOTE: No mention of vegetation control is made in this history.]

[NOTE: Udorn RTAFB was attacked on 26 July 1968, which prompted the below message to be sent to all USAF bases in Thailand:]

56th Special Operations Wing, July through September 1968, Volume 3 (AFHRA Call Number K-WG-56-HI, Jul-Sep 1968, V. 3, IRIS Number 451125):

Supporting Document 67, Message, Deptuy Commander, 7/13 AF, Udorn Afld, Thailand to 8TFW, Ubon; 355TFW, Takhli; 388TFW Korat; 432TRW Udorn;

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56ACW, NKP; 6310CSG, Don Muang; 6350CSG, U-Tapao; MACTHAI; 7AF, TSN; 13AF, Clark; HQ PACAF; AMEBM Bangkok, Thailand; American Counsl, Udorn, Subject: Lessons Learned From The Attack on Udorn, 26 Jul 68:

Paragraph 2: Lessons Learned. Following is a discussion of lessons learned. Conclusions are very preliminary and are forwarded without further documentation for the benefit of commanders in Thailand. a. Thai guards performed well as members of joint UJSAF/Thai Teams. It is probably well to maintain the feeling of joint responsibility. b. Lack of perimeter lighting, watch towers, inadequate fencing, weeds, and close perimeter afforded the enemy increased surprise and east of penetration. Selective construction of more bunkers would have enhanced the defense, although care required to avoid making these available to infiltrators.

[NOTE: The rest of the message deals with the need for flare ships, fire discipline, Thai guard and forces support and radio coordination. The final paragraph states:]

Paragraph 3: Commanders will take the following steps:

A. Immediately assess availability of Thai forces to support defense of base. B. Evaluate procedures and communications for coordination of base defense during emergency and make adjustments as possible C. Review training status of USAF and Thai Guards, and initiate retraining on a scheduled basis. D. Take steps to develop a standby flare ship capability at Udorn, Ubon, NKP, and Korat. E. Review base defense plan with an eye to covering critical areas which are adjacent to the perimeter.

[NOTE: In essence, the Deputy Commander of 7/13th Air Force was ordering the base commanders in Thailand the above steps. As can be seen, vegetation or ‘weed’ control would fall under subparagraph E, above, and was the last item mentioned and the least forceful of the ordered steps to take.]

355th Tactical Fighter Wing, October through December 1968, Volume 1 history (AFHRA Call Number K-WG-355-HI, Oct-Dec 1968, V. 1, IRIS Number 456423):

Page 126, Adequacy of Facilities: As the quarter ended, requirements continued to exist for perimeter roads, double perimeter fencing, perimeter lighting, and further clearing of jungle areas for improving base security. Lack of funds caused this program to be slipped.

[NOTE: Note that a lack of money still caused the prevention of clearing vegetation away from the perimeter fence. See the 355th Security Police Squadron history, below, for more information as to the limited amount of

150 vegetation control conducted in this quarter. It does not appear that herbicides were used.]

355th Tactical Fighter Wing, October through December 1968, Volume 2 history (AFHRA Call Number K-WG-355-HI, Oct-Dec 1968, V. 2, IRIS Number 456424):

355th Civil Engineering Squadron Historical Data Report, Oct-Dec 1968:

Page 11: As attention upon security requirements for base defense increases, the Civil Engineers are establishing a program for the construction of personnel security bunkers throughout the base. As a trial model, this squadron constructed one 65 man bunker near the flight line. Future bunkers will be constructed on an organizational basis using troop labor with Civil Engineering forces providing materials and technical assistance.

[NOTE: The emphasis is upon bunkers, not vegetation control.]

355th Security Police Squadron Historical Data Report, Oct-Dec 1968:

Page 5, Security: A large shipment of Concertina Wire arrived on base and a mile and a quarter of Triple Strand Concertina Wire was placed on the North and East side of the perimeter before it was discovered that this wire belonged to another unit for a required commitment. Concertina Wire to continue around the base perimeter and restricted areas was ordered on 21 August 1968 and is back ordered in Base Supply. Other physical security safe guards such as fencing around restricted areas and perimeter has been ordered but is awaiting appropriated funds.

[NOTE: This insinuates that by the end of 1968, there still was no perimeter fence around Takhli.]

Page 8: Another problem area is the heavy jungle growth over the perimeter and various areas of the installation. A monthly contract by Civil Engineers is in being and approximately forty percent of this growth on the USAF portion of the base has been removed. Recommend that vegetation control be continued in these areas or this problem will occur again in about three months.

[NOTE: Evidently, a commercial Thai contractor cleared the vegetation away from the perimeter areas of the base—not the USAF. No mention of herbicide is made, and the use of the word “removed” implies cutting or mowing, as opposed to the slow killing via herbicides.]

355th Tactical Reconnaissance Wing, January through March 1969, Volume 1 (AFHRA Call Number K-WG-355-HI, Jan-Mar 1969, V. 1, IRIS Number 456428):

Page 111-112, Adequacy of Facilities:

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Continuing emphasis has been placed on improvement of the base security and defense posture at Takhli RTAFB this quarter. The lack of funds which consistently plagued this program and caused it to “slip” each Fiscal Year, was finally overcome this reporting period when Red Horse construction teams began work on the perimeter road, for an estimated cost of $548,000. As part of the construction of the base security fence, Red Horse began work on guard towers and security lighting, the only funded portion of the project which has been estimated at $60,000.

Related to these base defense improvements was the construction and repair of new and old bunkers, machine gun emplacements, and other security protection measures which continued during the quarter. A bunker designed to offer adequate protection, yet present a good appearance, was constructed around the Security Control Center. Also, three “drive in” type bunkers were completed at likely avenues of approach to the base; they were designed to afford protection to personnel, their weapons and vehicles.

355th Tactical Reconnaissance Wing, January through March 1969, Volume 2 (AFHRA Call Number K-WG-355-HI, Jan-Mar 1969, V. 2, IRIS Number 456429):

Appendix 4, Historical Data Record, 355th Civil Engineering Squadron, Jan-Mar 1969:

Page 12, Significant Civil Engineering Accomplishments: As continuing emphasis has been placed on improving base security and defense posture, the construction of the Perimeter Road has been started by Red Horse for an estimated cost of $548,000. Also, as part of the construction of the Base Security Fence, Red Horse has begun construction of guard towers and security lights, the only funded portion of the project, at an estimated cost of $60,000.

Page 13 [Herbicide Training]: From 17 through 21 March 1969, the 355th Civil Engineering Squadron sponsored and hosted a class in the use and application of Herbicides. Personnel from all Thailand Bases attended this training including both Grounds Maintenance, AFSC 551X1, and Environmental Engineering, AFSC 907X0, personnel. The PACAF Command Agronomist, DAFC [Department of the Air Force Civilian] Mr. Gross, conducted the class assisted by TSgt Pless, 13th AF Entomologist.

[NOTE: This is the first mention of herbicides at Takhli RTAFB. It appears that this is the first step in introducing herbicides to the USAF bases in Thailand, and evidently it was an orientation class. The fact that representatives from every USAF base in Thailand attended this class insinuates that this is a new initiative and Mr. Gross wanted to brief everyone at once. Unfortunately, the contents of the class is not described so that it cannot be ascertained if this was a class concerning herbicides for the inside of the base on routine roads and grounds uses, or if this was the beginning of orienting Thailand-based personnel on the use of herbicides on the Perimeter Fence area.]

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Appendix 4, Historical Data Record, 355th Security Police Squadron, Jan-Mar 1969:

Page 2, Security (Base Defense): Construction and rehabilitation of new and old bunkers, and machine gun emplacements continued during this reporting period. Among these were three “drive in” type bunkers which were placed at likely avenues of approach to the base and are designed to afford protection of personnel, their weapons and their vehicles. In addition, in order to give added protection to the Security Control Center, bunkers were also constructed around the outer wall of this facility. This bunker was designed not only to offer protection of personnel and equipment but was also designed to present a good appearance.

Page 3: Concertina wire to continue the base perimeter fence has not yet arrived on base. Once available, erection of this fencing will continue.

Construction of observation towers by “Red Horse” is underway. Once completed, these towers will be erected along the base perimeter.

Page 4: Actions taken during this quarter to enhance base security have shown a marked improvement over previous quarters, primarily due to approval and receipt of partial funds and having received siting approval for many of the Base Security Package projects. The present status of projects under the Base Security Package are as follows:

Page 6: The jungle clearance project is approximately 95% complete and this has added immeasurably to the effective perimeter coverage by security forces. By eliminating this foliage, concealment is now very difficult for any would be intruder. Furthermore, perimeter defense sentries are now afforded a wider and more distant range of unobstructed perimeter surveillance.

[NOTE: As noted above, and can be seen in the photo below, heavy machinery was used in vegetation control at Takhli at this time. The terminology used by the writers of the above reports refer to “clearance” and “eliminating” which denotes the physical removal of the foliage, as opposed to the use of herbicides which would only reduce the density and would still leave the debris of the dead vegetation that would obstruct the view.]

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Vegetation Control, Takhli style. A road grader scraped the outside of the perimeter fence line to remove as much vegetation as possible. Note that foliage is still growing around the base of the fence posts, showing that herbicides were not used. The disturbed earth is clearly visible from where the grader’s blade transited over the earth, leaving a furrow close to the fence. Photo taken in March 1969.

[NOTE: Such steps as grading the vegetation down to bare earth would probably be the first step in foliage control. As the grass, weeds and bushes replenished itself, mowing would have made a logical second step. However, with the increased security measures that would occur later, such as the installation of trip flares, mowing would be hindered by the presence of such measures, and the third step, the use of herbicides, would have made more sense at that point.]

Thirteenth Air Force, 1 July 1968 through 30 June 1969, Volume 1 (AFHRA Call Number K750.01, FY 1969 (1 Jul 68-30 Jun 69), Vol 1, IRIS Number 899069):

[NOTE: After the attack on Udorn in July 1968, efforts were made to improve base defense in Thailand. The below entry concerns Thailand as a whole as of 28 April 1969:]

Page I-244, Base Defense: Other improvements in the defense posture were authorization for 303 sentry dogs, steps toward a complete conversion of the commercial vehicle fleet to M- Series vehicles; conversion from a single-channel non-tactical network to a dual-

154 channel system; improved weapons inventory including arming all Thai guards with M-16 rifles. Other beneficial steps were constructing physical security aids such as bunkers, gun emplacements, erecting 368,531 linear feet of fixed fortification fencing, and defoliation of perimeter areas.

Thirteenth Air Force, 1 July 1968 through 30 June 1969, Volume 4 (AFHRA Call Number K750.01, FY 1969 (1 Jul 68-30 Jun 69), Vol 4, IRIS Number 899072):

Supporting Document 184, Message, HQ 13AF to CINCPACAF/Commander, 281130Z April 1969, Subject: Base Defense/Security – Thailand:

Page 4 of 5, paragraph 6 d: Defoliation is underway and in various stages of completion.

[NOTE: As can be seen, with only one sentence out of five pages of this message, vegetation control did not merit much discussion. To clear the areas near the perimeter fences quickly to afford a defensive advantage, the foliage would have to be removed quickly. Herbicides do not do this as the debris is still required to be removed. Initial vegetation control was most likely conducted by mowing, cutting, burning, bull-dozing or use of other heavy equipment like road graders.]

355th Tactical Reconnaissance Wing, April through June 1969, Volume 1 (AFHRA Call Number K-WG-355-HI, Apr-Jun 1969, V. 1, IRIS Number 897688):

Page 134, Adequacy of Facilities: The emphasis which had been placed on base security and defense facilities took on added meaning this quarter, when construction began. Previous historical reports presented the specific reasons for delay in these projects, but it was primarily money. During the previous quarter initial funding was made available for portions of the base perimeter defense program, and work began on jungle clearing, guard towers and security lighting.

Construction of the 16 guard towers and security lighting was completed by 30 June. Also approximately 200 acres of jungle had been cleared in preparation of construction of the base security fence. A strip, 150 feet wide cleared completely around the base had been approved by higher headquarters for erection of triple-concertina wire and a barbed wire fence. The inherent urgency to effective secure base property, its equipment, and offer protection to assigned personnel was recognized by the Wing commander who, directed that unit assistance be given this project.

Page 135: His letter stated in part: The security of Takhli RTAFB is of paramount importance and every means available to improve our security status must be exploited. The most effective physical barrier we can provide is a perimeter fence. …The guard towers are fabricated and will be

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erected shortly. However, the fences must be constructed using “Troop Labor”…

Page 138, Security: The quarter was very active for projects and programs related to security. Chapter V [Facilities] discussed construction of the perimeter defense (see page 134), with reference to the fence, towers, road, security lighting and jungle clearing.

355th Tactical Reconnaissance Wing, April through June 1969, Volume 2 (AFHRA Call Number K-WG-335-HI, Apr-Jun 1969, V. 2, IRIS Number 456433):

Appendix 4, Unit Data Section, 355th Combat Support Group Historical Data Record, Apr-Jun 1969:

Page 21, Facilities: In June, Red Horse (OLAB, 556 Civil Engineering Squadron) received notification of their reassignment from Takhli. The detachment had worked on the Base Security package, Base Laundry, and NCO dormitories and had completed a security fence around the POL [petroleum, oil and lubricant] area during this quarter. The remainder of the security project was assigned to ROICC [Resident Officer In Charge of Construction] (Naval Facilities Officer in Charge) for completion by contract.

Page 31, Security: Base Defense. The security package, including such items as perimeter fence, double apron, perimeter road, was refunded and the package projects were allocated to ROICC (Navy) for construction under the military construction program (MCP). Actual project initiation is contingent upon receipt of funds.

Thirteen of the sixteen towers scheduled for the base perimeter were completed during this period.

Appendix 4, Unit Data Section, 355th Civil Engineering Squadron Historical Data Record, Apr-Jun 1969:

Page 6: OLAB, 556 Civil Engineering Squadron (Red Horse) worked on the Base Security Package, Base Laundry, NCO Hootches and completed the security fence around the POL area during this period. Red Horse received word in June that they would be leaving Takhli on the 15th of July 1969. The remainder of the security project has been assigned to ROICC for accomplishment by contact. The Naval Facilities Officer in Charge of Construction (OICC) continued working on eighteen (18) Military Construction Program projects all having completion dates between July thru December 1969.

Page 19: Continued emphasis has been placed on Perimeter Security during this reporting period and the construction of guard towers and security lights has been completed. Approximately 200 acres of jungle have been cleared in

156 preparation for the construction of the Base Security Fence. A cleared area approximately 150’ wide completely surrounding this base has been approved by Higher Headquarters in preparation for a triple concertina wire fence and a barbed wire fence which will be located in the cleared area. This fence will be constructed as in in-house project using “Troop Labor.”

Appendix 4, Unit Data Section, 355th Security Police Squadron Historical Data Record, Apr-Jun 1969:

Page 3, Security (Base Defense), Base Security Package: The Base Civil Engineer reported that the Security Package was gain funded (it was previously reported that portions of the package had been deferred due to funds) and that the projects for the package had been allocated to the Navy for construction under the Military Construction Program (MCP). Project start dates were to depend on receipt of actual funds. BCE has stopped all soil sterilization of the perimeter due to the rainy weather. Materials for the perimeter fence (concertina wire, double apron, etc.) have been ordered and it was anticipated these materials would arrive next quarter. “Troop labor” was assigned to do the work immediately upon receipt of materials. The all weather perimeter road project was also allocated to the Navy.

Actions taken during this quarter to enhance base security progressed extremely well. Thirteen of the sixteen towers sited were erected and operational. Vegetation clearance and soil sterilization of the perimeter was continued in preparation of the construction of a perimeter fence upon receipt of necessary materials.

[NOTE: This is the first time in Takhli unit histories where the term “soil sterilization,” a euphemism for herbicides, is used. It also notes that it was stopped, due to the rainy weather. This terminology and the worry about weather would imply that something was sprayed on the vegetation and soil where the new perimeter fence was to be constructed. Unfortunately, it is not stated as to what was being used to sterilize the soil—a commercially available herbicide or a home brew of diesel fuel and wood preservative mixture, which would be used at Korat RTAFB a year later. Regardless of what was used to sterilize the soil, it most likely started in the April through June 1969 period when funding for the Security Package was received and work could begin.]

355th Tactical Reconnaissance Wing, April through June 1969, Volume 6 (AFHRA Call Number K-WG-335-HI, Apr-Jun 1969, V. 6, IRIS Number 456436):

Supporting Document 120, Letter, Colonel Michael C. Horgan, 355th Wing Commander, to All Assigned and Attached Units, Subject: Base Defense Construction, Takhli RTAFB, 12 May 1969:

1. The security of Takhli RTAFB is of paramount importance and every means available to improve our security status must be exploited. The most effective physical barrier we can provide is a perimeter fence.

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2. Higher Headquarters has approved the construction of a cleared area approximately 150’ wide completely surrounding the base, a triple concertina wire fence and a barbed wire fence which will be located in the cleared area. Also, 16 guard towers are authorized for erection.

3. The Base Civil Engineer has started clearing the area and will sterilize to retard regrowth of vegetation. The guard towers are fabricated and will be erected shortly. However, the fences must be constructed using “Troop Labor.” This entire project is truly an in-house proposition. The Civil Engineer will provide all supervision and accomplish all specialty or skilled work, such as surveying and equipment operation.

4. This is a base wide project and every organization may be required to assist. Assistance will be required in such areas as tools, vehicles and later, when materials are received, personnel to aid in construction.

5. I expect every unit to take a positive attitude toward this program and to provide expeditious assistance when required.

MICHAEL C. HORGAN, COLONEL, USAF Commander

[NOTE: Once again the soil sterilization is mentioned, but once again the means to do so is not provided. Also, in late June, the Thirteenth Air Force Security Defense Survey Team arrived on base and reviewed the base defense and issued the following report, which also emphasized vegetation control:]

432nd Tactical Reconnaissance Wing, July through September 1969, Volume 2 (AFHRA Call Number K-WG-432-HI, Jul-Sep 1969, V. 2, IRIS Number 457857):

Supporting Document 88, Thirteenth Air Force Security Defense Survey, signed by Colonel T.L. Simpson, dated 19 September 1969, to 8, 56, 355, 388, 432, and 635 Combat Support Groups:

Page 1, paragraph 1: A defense survey was conducted at Ubon RTAFB, NKP TRAFB, Udorn RTAFB, Takhli RTAFB, U-Tapao RTNB, and Korat RTAFB, Thailand during the period 23-30 June 1969. Survey team members were Major D.E. Clemente, Civil Engineering Officer, AFRCE Thai, and Captain F. Capone, Security Police Officer, 13AF (IGS). The purpose of the survey was to reassess the 1968 security package, identify additional requirements for perimeter defense security facilities, and to assess the impact of Red Horse withdrawal on security construction programs.

Page 2, General comments on base defense security facilities, paragraph d: A continuing vegetation control program is required for cleared areas under and between perimeter security fences. The area between the fences is intended to be used as a no-man’s land with additional detection and deterrent devices such as trip flares, TSSE, tangle-foot, etc. being employed within. In view of the

158 above, a mowing operation for vegetation control will be impossible. As a result, a conscientiously controlled program of vegetation control through the use of herbicides must be applied. Application of herbicides must be directed toward retarding growth to provide a cleared area, but under no circumstances should the type or quantity applied result in destruction of root structure so as to create a serious erosion problem. Additionally, remaining growth should be of sufficient height so as to provide camouflage for detection and deterrent devices planted in the cleared area.

355th Tactical Reconnaissance Wing, July through September 1969, Volume 1 (AFHRA Call Number K-WG-335-HI, Jul-Sep 1969, V. 1, IRIS Number 456437):

Page 125, Adequacy of Facilities: Emphasis continued on base and perimeter security construction during the quarter. Herbicide was applied to the fenced-in area around the ammo storage facility, around all perimeter guard towers, and the areas around runway overrun lights. Triple concertina wire fence approximately 7,920 feet long was placed on the northwest side of the base. It was estimated that the base perimeter fence would require another five months to complete.

[NOTE: This is the first time that the term ‘herbicide’ is used in a Takhli history, and it is gratifying that the exact locations of where it was sprayed are listed. What is also noticeable is that the perimeter is not listed as being sprayed. It is believed that the ‘soil sterilization’ that was noted in the previous quarterly history was probably through the use of commercial grade herbicides, and it was obviously effective as herbicides were not required in the July through September 1969 period to be sprayed along what perimeter fence that was erected around the base at this time.]

Page 130, Security: This quarter proved active for projects and programs related to security. Chapter V reported construction of perimeter defense, with reference to the fence, lighting, road and soil sterilization. All estimated dates for these related engineering projects were set for the first quarter, 1970.

355th Tactical Reconnaissance Wing, July through September 1969, Volume 2 (AFHRA Call Number K-WG-335-HI, Jul-Sep 1969, V. 2, IRIS Number 456438):

Appendix 4, Historical Data Record, 355th Combat Support Group, Jul-Sep 1969:

Page 24, Significant Civil Engineering Accomplishments: Continued emphasis was placed on base and perimeter security during this reporting period. Herbicide was applied to the completely fenced-in area around the ammo storage area, both inside and out, and around all the perimeter guard towers. Herbicide was also applied to the area around the north and south overrun lights. A triple concertina wire perimeter fence approximately 7,920 feet long was installed on the northwest side of the base. It is estimated that the base perimeter fence will be completed approximately 1 March 1970.

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Page 34, Security: Actions taken during this quarter to enhance base security have progressed well. Vegetation clearance and soil sterilization of the base perimeter was started by the Base Civil Engineer. There is no estimated completion date for this project due to temporary work stoppages resulting from heavy rains. Fencing around the munitions maintenance and refueling areas was completed on 21 September 1969, materially aiding the security of these resources.

Appendix 4, Historical Data Record, 355th Civil Engineering Squadron, Jul-Sep 1969:

Pages 3-4, Manning: On 28 June 1969 a message was received from 13th Air Force directing the 355th Civil Engineering Squadron to place one (1) Lieutenant, AFSC 5525C, on 29 days TDY to Ubon RTAFB , Thailand to supervise that base’s Security Construction Program. At that time 355th Civil Engineering Squadron was not fully manned, as only five (5) officers were assigned against six (6) authorized. A message was sent to 13th Air Force on 1 July 1969 stating the reasons why this squadron could not meet the TDY requirements and requested release from the levy. On 3 July 13th Air Force relieved this station from the TDY requirements; however, the assignment was again levied on 355th CES on 5 July 1969. Lt Page, who was finally chosen for this TDY, departed this station on 6 July for temporary duty to Ubon RTAFB. A message received on 11 July relieved this squadron of the TDY requirements. This was contingent upon the arrival at Ubon of another lieutenant from Clark AB, P.I. Lt Page returned from TDY on 16 July 1969.

[NOTE: The above is noted only in that Ubon RTAFB evidently needed someone who had worked on a base security package, which would include clearing the vegetation away from the perimeter fence. But there is a little more to the story than related above. The 8th Civil Engineering Squadron at Ubon needed help for this area and originally, a Lieutenant Cosgrove of the 56th Civil Engineering Squadron, from Nakhon Phanom RTAFB, Thailand, was picked to go assist them. However, on 19 June 1969 Headquarters Thirteenth Air Force cancelled Lt Cosgrove’s TDY (probably due to a request from the 56th CES to be released from the TDY) and requested another lieutenant, this time from Takhli RTAFB, Thailand, to assist the 8th CES. However, the 355th CES only had one lieutenant that was a civil engineer, Lieutenant Warren L. Page. Lt Page was the Officer in Charge (OIC) of construction, and was responsible for a number of building projects on Takhli, such as the Laundry, Officers Open Mess kitchen renovation, blast deflectors for F-105 aircraft, Air Rescue Alert facility, modification to the Data Automation and Consolidated Base Personnel Office Buildings and changes to the wing command post for the installation of communications equipment. However, as busy as he was with the above, the real reason was that “Lt Page does not have detailed knowledge of the Security Package.” So the follow up question that Thirteenth Air Force would naturally ask would have been, ‘if you can’t send a Lt., send whoever your security package expert happens to be.’ The 355th CES sidesteps the question by listing out the other four officers and why they could not possibly be sent to Ubon. None of the officers identified are given credit for overseeing the Security Package at Takhli.

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Thirteenth Air Force relented, and tasked U-Tapao (635th Civil Engineering Squadron) with the TDY to Ubon. However, the 635th also pleads to be released from the tasking, and so, it went back to the 355th. So Lt Page does go, but since he does not know much about the Security Package, and probably because of some telephone calls to Thirteenth Air Force from the 355th Tactical Fighter Wing, Lt Jonathan Spector, Thirteenth Air Force headquarters, ends up traveling from Clark Air Base, Philippine Islands, and relieves Lt Page (who returns to Takhli) and oversees the perimeter fence Security Package for Ubon (8th Civil Engineering Squadron). I only include all of this to show that the Thailand bases were feeling their way in beefing up their base security and when one base appears to have chosen well, that expertise was sought after for the other Thailand bases. Thirteenth Air Force probably wanted to utilize expertise from within Thailand, instead of spending the money by sending someone from the Philippines to Thailand, but, in the end, that is exactly what they ended up doing.]

Appendix 4, Historical Data Record, 355th Security Police Squadron, Jul-Sep 1969:

Page 5, Security: Actions taken during this quarter to enhance base security have progressed well. Vegetation clearance and soil sterilization of the base perimeter was started by the Base Civil Engineer. There is no estimated completion date for this project due to temporary work stoppages resulting from heavy rains.

Page 6: The all weather perimeter road is being refunded and has an estimated start date of 1 November 1969.

The base perimeter lighting is being refunded and has an estimated start date of 1 February 1970.

355th Tactical Reconnaissance Wing, October through December 1969, Volume 2 (AFHRA Call Number K-WG-335-HI, Oct-Dec 1969, V. 2, IRIS Number 456443):

Appendix 4, Historical Data Record, 355th Civil Engineering Squadron, Oct-Dec 1969:

Page 10, Significant Civil Engineering Accomplishments: Work has continued at a rapid pace on the Base and Perimeter Security during this reporting period. The triple concertina wire perimeter fence has been completed well ahead of schedule and the project is now in the clean up stage.

Page 11: On 25 Nov 69 a message was received from the 56th CSG at Nakhon Phanom RTAFB requesting the loan of two TD-20 dozers to be used on the perimeter security project at that base. On 2 Dec 69 a message was received from 13AF directing that these dozers be shipped to NKP as soon as possible. The dozers were shipped approximately 13 Dec 69.

Attachment 24, Message, 251034Z Nov 69

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From 56 CMBTSPTGP Nakhon Phanom Aprt Thai To RUMMWKA/13AF/DCEM/Clark Subject: TD-20 Dozers for NKP

1. Request two TD-20 dozers be provided to 56 CES by the 355 CES for a period of six months staring on 1 Dec 69.

2. These dozers are required to grade the perimeter area of the base for security purposes. Work will required four dozers for a period of six months.

3. Two rental dozers will be required in addition to the two TD-20’s to permit completion of the perimeter security area and other essential earth work on the airfield and adjoining areas.

4. Paragraph 1 and 2 above confirm TELECON between your Captain Delph and our Sgt Leslie, 24 Nov 69. BT #3596

Attachment 25, Message, 280540Z Nov 69 From 355 CMBATSPTGP Takhli AB Thailand To 13AF/DCEM/Clark AB Phil Subject: TD-20 Dozers for NKP (56 CSG, BCEP Msg, 2510342Z Nov 69)

Two (2) each TD-20 Dozers will be available for loan/shipment on 29 Nov 69.

Attachment 26, Message, 020705Z Dec 69 From 13AF, Clark AB Phil To RUMOREA/56CSG BCE NKP Aprt Thai Subject: TD 20 Dozers for NKP

Ref. A. 56/BCE/MSG 251034Z Nov 69 Same Subj. B. 355/BCE/MSG 281100Z Nov 69 Same Subj.

Ref (B) indicates that Ref (A) req for loan of 2 EA TD-20 Dozers for 6 months can be provided. Upon completion of hand receipt action transportation should be arranged by 56/BCE. Req this HQ (DCEM) be advised when Dozers arrive NKP. BT #0485

[NOTE: Although no mention is made of soil sterilization or jungle cleanup near the perimeter fence in this history, it appears that the project to do just that, mentioned in the previous quarter, has been completed. Now Nakhon Phanom’s 56th Civil Engineering Squadron needs to do the same at their base and as can be seen from above, needs the bulldozers to make a quick start of vegetation clearance.]

Appendix 4, Historical Data Record, 355th Security Police Squadron, Oct-Dec 1969:

Page 3, Operations and Training: Security:

162

The Security lighting along the base perimeter has not been installed. The possibility of a self-help project is being explored.

The perimeter fencing project has progressed extremely well with 49,450 feet of three roll concertina wire in place. The project is 98 percent complete.

[NOTE: No mention of herbicides or soil sterilization in this history.]

355th Tactical Fighter Wing, January through March 1970 history, Volume 1 (AFHRA Call Number K-WG-355-HI, Jan-Mar 1970, V. 1, IRIS Number 456445):

[NOTE: No mention of perimeter fence issues or herbicides in this volume.]

355th Tactical Fighter Wing, January through March 1970 history, Volume 2 (AFHRA Call Number K-WG-355-HI, Jan-Mar 1970, V. 2, IRIS Number 456446):

Historical Data Record, 355th Civil Engineering Squadron, Jan-Mar 1970:

Page 14, Herbicide Application School: The 355CES was once again chosen to host the annual Herbicide Application School from 13 thru 16 January. The purpose of this school was to train personnel on the use, application, dangers and safe handling of herbicides, and was conducted by Mr. Gross, PACAF Command Agronomist. Thirteen U.S. military personnel from bases throughout Thailand attended the course. As in the previous year, the week-long course was very successful.

Attachment 21, Herbicide Application School:

Department of the Air Force Headquarters Thirteenth Air Force (PACAF) APO San Francisco 96274

DCEM 29 Oct 1969

Herbicide Application School

8 Cmbt Spt Gp 355 Cmbt Spt Gp 432 Cmbt Spt Gp 56 Cmbt Spt Gp 388 Cmbt Spt Gp 631 Cmbt Spt Gp 635 Cmbt Spt Gp

(BCE)

1. A training course on the use, application, dangers and safe handling of herbicide will be conducted at Takhli RTAFB, from 13 thru 16 January 1970, by the PACAF Command Agronomist. The purpose of this course is to train and certify Thailand based personnel who will be handling herbicides for chemical vegetation control.

163

2. Request two each of your most qualified military personnel with eight months retainability in Thailand attend this course. Each base will provide their candidates with the necessary TDY orders for the course. Selected personnel will furnish their own copy of the herbicide manual.

3. Request the name, rank and AFSC of selected personnel be forwarded to this headquarters (DCEMM) no later than 15 Dec 1969.

For the Commander

Robert Pl. Binkley Director of Operations and Maintenance DCS Civil Engineering

Attachment 22, Herbicide Application School:

Department of the Air Force Headquarters Thirteenth Air Force (PACAF) APO San Francisco 96274

Reply to the Attn of: DCEM 24 Dec 1969

Subject: Herbicide Application School

To: 355 Cmbt Spt Gp (BCE)

Reference 13AF (DCEM) letter, same subject, 29 Oct 69. Class will consist of 12 NCO students and Mr. Gross, PACAF Agronomist, GS-12. Students and Mr. Gross should arrive your station, 12 January 70.

For the Commander

Robert P. Binkley Director of Operations & Maintenance DCS/Civil Engineering

[NOTE: Agronomists deal with interactions among plants, soils, and the environment. They use sophisticated research tools and techniques to develop new crop hybrids and varieties that grow more efficiently and are more beneficial to society. Soils specialists conduct research in everything from the very basic to applied issues of soil and water management and land use. Agronomists research ways to produce crops and turf, and ways to manage soils in the most environmentally friendly way. Agronomists can be found teaching, conducting business, and doing research in food production and environmentally oriented industries around the world. Agronomists often specialize in areas such as crop rotation, irrigation and drainage, plant breeding, plant physiology, soil classification, soil fertility, weed control, insect and pest control.]

355th Tactical Fighter Wing, January through March 1970 history, Volume 2 (AFHRA Call Number K-WG-355-HI, Jan-Mar 1970, V. 2, IRIS Number 456446):

164

Historical Data Record, 355th Security Police Squadron, Jan-Mar 1970:

Page 4, Security: During the quarter, security fencing around the base perimeter was completed. Additionally, ten thousand feet of triple roll concertina wire was installed around the aircraft parking areas.

[NOTE: Now, for the first time, Takhli RTAFB has a perimeter fence all around it, but there is no mention of herbicides or vegetation control.]

355th Tactical Fighter Wing, April through June 1970, Volume 1, history (AFHRA Call Number K-WG-355-HI, Apr-Jun 1970, V. 1, IRIS Number 456448):

[NOTE: No mention of procuring or paying for herbicides in the Comptrollers or Procurement Office histories in this volume.]

Historical Data Record, 355th Civil Engineering Squadron, Apr through Jun 1970:

[NOTE: No mention of herbicides, vegetation control or soil sterilization in this history.]

Historical Data Record, 355th Security Police Squadron, Apr-Jun 1970:

Page 4, Security: The installation of tanglefoot wire along the perimeter was disapproved as was the paved parking area for Central Security Control due to the lack of construction funds. Under the Base Security Package, all construction projects have been cancelled due to austere funding.

[NOTE: No mention of herbicides, vegetation control or soil sterilization in this history. The loss of funding for the Base Security Package may have been the reason why vegetation control along the perimeter lost its importance.]

388th Tactical Fighter Wing, April through June 1970, Volume 3, history (AFHRA Call Number K-WG-388-HI, Apr-Jun 1970, V. 3, IRIS Number 457290):

Supporting Document 358, Letter, Major Richard Geisler, Director of Security Police, Office of Inspector General, Headquarters Thirteenth Air Force (IGS), to 8 Cmbt Spt Gp (BSP); 56 Cmbt Spt Gp (BSP), 355 Cmbt Spt Gp (BSP), 388 Cmbt Spt Gp (BSP), 432 Cmbt Spt Gp (BSP), 631 Cmbt Spt Gp (BSP), and 635 Cmbt Spt Gp (BSP), “Vegetation Control,” 15 Jun 1970:

Department of the Air Force Headquarters Thirteenth Air Force (PACAF) APO SAN FRANCISCO 96274 15 Jun 1970 REPLY TO

165

ATTN OF: IGS

SUBJECT: Vegetation Control

TO: 8 Cmbt Spt Gp (BSP) 432 Cmbt Spt Gp (BSP) 56 Cmbt Spt Gp (BSP) 631 Cmbt Spt Gp (BSP) 355 Cmbt Spt Gp (BSP) 635 Cmbt Spt Gp (BSP) 388 Cmbt Spt Gp (BSP)

1. The attached correspondence is forwarded for your information and appropriate action.

2. The USAF Inspector General has expressed concern over attacks on bases in Thailand during which the enemy used the foliage cover bordering the bases to their advantage and has directed that emphasis be placed on the clearing and control of vegetation.

3. Although the maintenance and control of vegetation in and around the base is the responsibility of Base Civil Engineers, continuous emphasis must be given this program by the Chief of Security Police. When necessary, viz, to provide clear fields of fire, observation of approaches to resource areas, etc., consideration must be given to self-help programs as the only practical expedient. After all, our security force personnel lives are at stake as well as adversely affecting base defense operations. Therefore, vegetation must be controlled to assure that surveillance of the fence line and surrounding areas is not impeded.

4. This subject will continue to be an item of special interest during staff visits and general inspections.

FOR THE COMMANDER

RICHARD E. GIESLER, Maj, USAF 1 Atch Director of Security Police PACAF (IGSS) (C) Ltr, Office of Inspector General subj as above, 18 May 70, w/2 Atch n/c

Cy to: 7/13AF (BSP)

[NOTE: The above is inserted to show that while Takhli did not appear to do anything about vegetation control, Thirteenth Air Force Security Police officials were still concerned about the topic and sent the above letter to all Thailand bases.]

355th Tactical Fighter Wing, July through 6 October 1970, Volume 1, history (AFHRA Call Number K-WG-355-HI, Jul-6 Oct 1970, V. 1, IRIS Number 456451):

166

[NOTE: The 355th Tactical Fighter Wing was notified during this time that Takhli would be inactivated by November 1970.]

[NOTE: Neither the 355th Comptroller nor Procurement offices mention any payment of procurements concerning herbicides or vegetation control programs at Takhli in this history.]

Page 193, Historical Data Record, 355th Civil Engineering Squadron, Jul-Sep 1970:

There were no approved FY 71 O&M [operating and maintenance] program funds…

[NOTE: No mention of any vegetation control programs in this history. With the impending base closure, and the absence of operating and maintenance funding for the base, it is no surprise that vegetation control is ignored by this time.]

Page 203, Historical Data Record, 355th Security Police Squadron, Jul-Sep 1970:

[NOTE: There is no mention of vegetation control or herbicide use in this history.]

355th Tactical Fighter Wing, 7 October through 10 December 1970, Volume 1, history (AFHRA Call Number K-WG-355-HI, 7 Oct-10 Dec 1970, V. 1, IRIS Number 456454):

[NOTE: Actual inactivation of the 355th TFW took place on 10 December 1970.]

Page 65, Table of Significant Dates:

25 November 1970 Transfer first increment of facilities to RTAF.

25 December 1970 Transfer second increment of facilities to RTAF.

Page 124, Security: On 27 October, all Thai Security Guards of the contract guard service were transferred from law enforcement posts to perimeter security duties.

[NOTE: With the rapid closure of the base, vegetation control around the perimeter fence took no priority. There is no mention of any vegetation control or herbicide use in this history.]

355th Tactical Fighter Wing, 7 October through 10 December 1970, Volume 2, history (AFHRA Call Number K-WG-355-HI, 7 Oct-10 Dec 1970, V. 2, IRIS Number 456455):

Historical Data Record, 355th Civil Engineering Squadron, 1 Oct-10 Dec 1970:

[NOTE: This history focuses on base phase down issues and building turn-over to the RTAF. No mention is made of any perimeter issues, herbicide use or vegetation control issues.]

167

Historical Data Record, 355th Security Police Squadron, 1 Oct-10 Dec 1970:

Chronology:

27 Oct 1970 All Law Enforcement Thai Security Guards reassigned to perimeter security duties.

3 Dec 1970 Phasing out of Security Operations begins.

3 Dec 1970 Squadron relinquished Security responsibilities of the North End of the Air Base.

[NOTE: As of 27 October 1970 the perimeter area defense was no longer the responsibility of the USAF. Withdrawing to the north end of the base, even that was turned over by 3 December 1970 to the Royal Thai Air Force. Therefore, there is no vegetation control undertaken by the USAF at Takhli by December 1970.]

[NOTE: No mention of vegetation control or herbicides in either the Comptroller or Procurement offices in this history.]

[NOTE: Although the 6235th Air Base Squadron maintains some base facilities in a care-taker status for the 30 November 1970 through April 1971 period, the unit does not submit any official unit histories were submitted to the AFHRA. Since the Royal Thai Air Force controls the base during this period, it is assumed that if any vegetation control was conducted, that was the organization that took charge of that function.]

NOTE: Takhli is closed from April 1971 through May 1972. Unfortunately, no histories by the 6499th Combat Support Group (Provisional) for the May through June 1972 period were submitted to the AFHRA.

366th Tactical Fighter Wing April through June 1972 history Volume 1 (AFHRA Call Number K-WG-366-HI, Apr-Jun 1972, V. 1, IRIS Number 902545):

Chronology: June

13 The advance party of 118 personnel of the 366TFW departed Da Nang for Takhli RTAFB, Thailand to prepare for the Wing’s move.

20 The 421TFS of the 366TFW deployed to Takhli RTAFB and began flying combat operations the following day.

25 The 4TFS of the Wing moved to Takhli RTAFB.

27 The 366TFW was activated at Takhli RTAFB, Thailand ending almost six years of service in the Republic of Vietnam. The Wing was the last tactical fighter wing stationed in the republic.

168

30 At the end of the month the final elements of the 366th arrived at Takhli RTAFB.

Page 54, Facilities: Adequacy of Facilities: Upon reopening of Takhli RTAFB the immediate concern was the reactivation of mission essential facilities and a Command and Control Center. All facilities were totally inadequate for support of extended mission requirements. Initial priorities were runway lights and navaids, primary electrical power distribution and rehabilitation of secondary service to and within facilities. Also provision of major utility service in the form of potable water and sewage service. Pavements were in poor but usable condition and required continual patching.

Page 55: This lack of continuity and deteriorated facilities resulted in a day to day effort aimed at continued operation on an austere basis for the short term only with no immediate plans for extended USAF occupancy.

Page 59, Security: On 28 May the first security policemen arrived at Takhli RTAFB. Organized as the 6499 SPPS, security personnel were housed in tents and manned defensive positions that were decrepit and overgrown with foliage.

[NOTE: As can be seen from the above, Takhli was run down and the USAF forces coming to the base did not have any supplies or equipment to handle perimeter fence issues during this time period. All efforts were to get the buildings and the aircraft operations back in order. Herbicides would not be used in this situation, but rather mowing, cutting and burning would be the means to quickly bring the base back to standards.]

366th Tactical Fighter Wing April through June 1972 history Volume 2 (AFHRA Call Number K-WG-366-HI, Apr-Jun 1972, V. 2, IRIS Number 902546):

366th Security Police Squadron Historical Data Report, Apr-Jun 1972:

Page 6, Operations: The squadron began operating immediately after the arrival of the first troops. On 2 Jun 72 a combined Central Security Control and Law Enforcement Desk began operation. Troops were deployed to protect the USAF resources arriving on station. The mobile elements were combined law enforcement and security patrols. A construction crew was formed and began building fighting positions on the east and south sides of the aircraft parking ramp, and close-in defense positions on the east, north and south dies. Entry points were established on the west side on 10 Jun 72. The first concertina wire was installed on 11 Jun 72. From then until 30 Jun 72, 2 ½ miles of wire was laid. Military Working Dog Teams arrived in the 1st week of June. We received 20 teams in the first increment and 9 teams on 18 Jun, bringing the total to 29. The teams were deployed around the aircraft parking area, munitions storage area, and POL area. In addition, 2 teams patrolled the cantonment area.

169

[NOTE: The opening of the base was consumed with basic necessities, which herbicide use and perimeter fence vegetation control was simply was not a part.]

366th Tactical Fighter Wing July through October 1972 history Volume 1 (AFHRA Call Number K-WG-366-HI, Jul-Oct 1972, V. 1, IRIS Number 902547):

Foreword: The 366th Tactical Fighter Wing arrived at Takhli Royal Thai Air Force base on 27 June 1972, concluding almost six years proud tenure as host wing at Da Nang Airfield, Republic of Vietnam. Takhli RTAFB had been closed on 5 April 1971 and was reopened on 6 May 1972.

On 15 November 1972, the 347th Tactical Fighter Wing (U.E. F-111), Mountain Home AFB, will be inactivated. The 366th Tactical Fighter Wing will be transferred to Mountain Home without personnel or equipment. Mountain Home will gain not only the title, but also the challenge and heritage of past distinguished accomplishments that honor the personnel of the 366th Tactical Fighter Wing.

Page 69, Summary: In addition to the obvious problems in moving aircraft, personnel and equipment; under Constant Guard III, arrival of the 49TFW; and Constant Guard V, arrival of the 474th TFW, all host unit functions were encompassed with manning and host/tenant coordination problems long after the movements were completed.

Appendix 4, Takhli Rehabilitation/Construction Costs, Re-Opening Costs:

IV. O&M Costs, Caretaker Status: Pavement & Grounds & Equipment Maintenance (Contract as Necessary): Military Contract Monitors: 2 US Contractor: 3 Thai: 38

Appendix 4-7, Msg, 366CES to 13AF/DE, Subject: Takhli Civ Engr Program, 170855 Oct 1972:

Page 10, The following R-H Projects Remain Valid Requirements: Paragraph U, 24-3, Install perimeter security lighting, $24.3. Project was originally submitted for accomplishment by contract and DD 1391 dated 8 Aug is valid. It is desired to have project accomplished by contract through OICC. OICC has already begun to locate long lead time electrical items. Critical need for improvement of our security posture makes it imperative that this project be accomplished ASAP. Request transfer of funds from R-H to perform this work by contract.

[NOTE: There is no vegetation control projects in the above listings of Civil Engineering projects needed to re-open Takhli. There is no vegetation control issues addressed in this history.]

170

366th Tactical Fighter Wing July through October 1972 history Volume 2 (AFHRA Call Number K-WG-366-HI, Jul-Oct 1972, V. 2, IRIS Number 902548):

366th Security Police Squadron Historical Data Record, July-October 1972:

Commander’s Statement: Existing defensive positions were upgraded and new ones constructed. Our defense posture is now considered adequate to protect aerospace operational resources.

Page 3, Air Base Defense: During August 1972 tactical wire and triple strand concertina wire was installed at the base perimeter, bunkers were rebuilt as well as close-in defensive positions.

[NOTE: No vegetation control is mentioned in this history. No Civil Engineering Squadron history was submitted during this time period.]

6280th Combat Support Group, November through December 1972 (AFHRA Call Number K-GP-SUP-6280-HI, Nov-Dec 1972, IRIS Number 901248):

Forward: This History, covering the period 1 November through 31 December 1972, is the first record of activities of the 6280th Combat Support Group. The Group was activated in ceremonies on 31 October following the casing of colors for the 366th Tactical Fighter Wing. The 366th including its support group were transferred, without personnel and equipment to the continental United States. The ceremonies also established the 474th TFW as host element on Takhli Royal Thai Air Force Base.

Page 39, Facilities: During the first half of December a survey of industrial waste pollution sources on Takhli RTAFB was conducted by civil engineering. The base sewage plant was found to be a minor source of pollution, and by its volume of 30% impurity discharged, is the primary source of Takhli RTAFB pollution. Other pollution areas found include: the photography laboratories by silver nitrate waste, mercury waste from the hospital and PMEL, bladder leaks from the base gas station and POL, areas from the dining facilities, etc. Improvement efforts were made on all areas and other Thailand bases will be queried.

[NOTE: Despite what the above states, there was another source of pollution: herbicides. See Supporting Document 14, below.]

Page 41, Base Defense: Vegetation control presented a problem. This service was provided largely through self help by the Security Police resulting in an unfortunate accident in which two Thai nationals were killed. Subsequent to this incident CES [civil engineering squadron] assumed this responsibility and Security Police efforts were redirected to their own area of responsibility.

171

Supporting Document 14, Letter, 6280th CSG/DE to 6280th CSG/CC, subject: Industrial Wastes, 13 December 1972:

1. References: a. CINCPACAF DEM Ltr 17 Nov 72, Industrial Wastes b. Your letter, 28 November 72, Industrial Wastes

2. A complete survey of the base was conducted in conjunction with the liquid fuels and sewage plant sections of Trans-Asia and the base fuels office. The results of the survey follows:

[paragraphs a through e concern themselves with the base sewage plant, photo processing, mercury wastes, leaks from fuel bladder and grease from the dining facilities and are not reproduced here.]

e. Herbicides. Indiscriminate use of herbicides could be a possible source of pollution. C.E. has recently written an SOP [standard operating procedure] which outlines procedures to control use of herbicides on Takhli and adherence to it should eliminate any misuse of herbicide application.

[paragraphs g through i concern themselves with fuel, oil and paints, JP- 4, and POL wash rack corrosion control facility and are not reproduced here.] signed ROBERT C. FREY, CAPT USAF Chief O&M

[NOTE: Unfortunately, the unit history did not include the civil engineering standard operating procedure that is spoken about in the above letter. However, this does not show that herbicides were being used throughout the entire base as a weed killer, and not just along the perimeter fence, but instead, shows that authorities were trying to take into account for any source of possible pollution and taking steps to insure that herbicides would not be a source of that pollution. There is no statement in this letter saying that herbicides were used indiscriminately and that it was causing pollution, but that “Indiscriminate use of herbicides could be a possible source of pollution.” Italics by the editor.]

Appendix 6, 6280th Civil Engineering Squadron Historical Data Report, 1 Nov-31 Dec 1972:

[NOTE: No mention of vegetation control in this history.]

Appendix 6, 6280th Security Police Squadron Historical Data Report, 1 Nov-31 Dec 1972:

Page 1, Operations: Additional security for USAF resources was provided by the implementation of a 125-man Thai Royal Air Force external patrol covering the vicinity of the base. This patrol coverage is provided on a 24 hours per day, seven days per week basis, greatly enhancing the protection of Free World resources located on Takhli RTAFB.

172

Page 2, Air Base Defense: Vegetation control presented a problem. This service was provided largely through self help by the Security Police resulting in an unfortunate accident in which two Thai nationals were killed. Subsequent to this incident CES assumed this responsibility and Security Police efforts were redirected to their own area of responsibility.

[NOTE: The above rises a number of questions, such as, how were the two Thai’s killed? What was the Security Police Squadron personnel doing that would risk killing people in an effort to clear vegetation? Did heavy equipment operators run over the Thai labors? The history is silent about this topic and no clues are offered as to the circumstances of these deaths, but it is doubtful that herbicides themselves were the cause of these deaths, or that herbicides were involved in any way.]

6280th Combat Support Group, January through March 1973 (AFHRA Call Number K-GP-SUP-6280-HI, Jan-Mar 1973, IRIS Number 901249):

Page 45, Adequacy of Facilities: The base civil engineers had planned and programmed several projects to upgrade the base facilities and utility systems, but major projects were delayed until the future of Takhli RTAFB is firmly established.

Supporting Document 1, 1st Indorsement to PACAF Management Effectiveness Inspection Report of 6280th Combat Support Group and Subordinate Units, 4-11 Feb 1973:

Page J-4, Liquid fuels facilities: The grass inside the diked areas was being cut but the requirement for sterile ground in this area was not known until pointed out by the IG team. BCE will apply herbicide in these areas to control the growth. Periodic herbicide applications will prevent recurrence of this discrepancy. Estimated completion date is 31 Mar 73.

[NOTE: This is the second mention of herbicides since Takhli was re-opened in May 1972 (the first was in the Nov-Dec 1972 history, Supporting Document 14), and, in this instance, the only place in the entire history where it is mentioned. However, see the April through June 1973 history where it is revealed that the herbicides had not been procured by early June 1973, and consequently, had not been used.]

Supporting Document 41, 6280th Security Police Squadron Out-briefing for 13AF Commander, dated 31 March 1973:

Page 1, Air Base Defense: We received a sufficient number of sand bags. These bags were used to reinforce/harden bunker positions and other hardened facilities. Reinforcing these facilities corrected some discrepancies from previous staff assistance visits and inspection reports.

173

Appendix 6, 6280th Civil Engineering Squadron, January through March 1973 Historical Data Record:

[NOTE: No mention of vegetation control in this history.]

Appendix 6, 6280th Security Police Squadron, January through March 1973:

Page 2, Operations, Air Base Defense: During March the much sought after sand bags arrived through supply channels and fighting positions were constructed for K-9 Teams along the bunker line and in the munitions storage area.

[NOTE: No mention of vegetation control in this history.]

6280th Combat Support Group, April through June 1973 (AFHRA Call Number K-GP-SUP-6280-HI, Apr-Jun 1973, IRIS Number 901250):

Chronology: July 30 Activation of the 347th TFW at Takhli RTAFB. This resulted in the conversion of the 474th TFW Deployed, which was in a TDY status, to a PCS status at Takhli RTARB. The 347th TFW became the new USAF host at Takhli RTAFB with the 6280th CSG realigned under the new 347th TFW.

Page 27, Air Base Defense: During this month [May] the munitions storage area was cleared of weeds and debris. This condition had previously been a problem of long duration.

Supporting Document 11, 6280th Combat Support Group/CC to 13AF/IG, subject: Follow-Up Status Report on Open Deficiencies, dated 3 June 1973, paragraph J- 23 (b):

Herbicide will be applied within diked area of the bulk storage tank farm to control vegetation growth. Periodic applications will prevent recurrence. Awaiting the Herbicides. Estimated completion date 30 June 1973.

[NOTE: Evidently the herbicides were not easily procured and not available to the base authorities and had to be ordered. By 3 June 1973 no herbicides had been used at the bulk storage tank farm.]

Appendix VI, 6280th Civil Engineering Squadron Historical Data Record for April through June 1973:

The CES continued to perform only minimum essential work throughout two- thirds of the quarter. This policy was rescinded by a 30 May 1973 message directing, among other things, a return to normal BCE operations.

The continuance of “minimum essential” status precluded most upgrade work which had been planned for in-house accomplishment. The upgrade work which has been delayed has resulted in further deterioration of some base facilities and

174 resulted in a loss of three months which could have been profitably utilized to perform structural repairs, and, especially, to complete several in-house air condition and conditioning projects.

[NOTE: Although no vegetation control issues are noted in the civil engineering history, the above explains why there was very little movement to obtain herbicides for the Tank Farm or contracts for vegetation control for the base— everyone thought the base may have to be suddenly closed.]

Appendix VI, 6280th Security Police Squadron Historical Data Record for April through June 1973:

Page 1, Air Base Defense: During the month of May 73 a joint effort by Thai and USAF personnel cleared the Munitions Storage Area of weeds and debris, greatly enhancing the security of that area, a problem which had long been in existence.

[NOTE: No mention of any vegetation control issues for the perimeter fence in this history.]

[NOTE: There are no individual 6280th Combat Support Group histories submitted to the AFHRA covering the July 1973 through 14 July 1974 time period. Please see the 347th Tactical Fighter Wing histories for this period, where the 6280th Combat Support Group histories are included as part of the 347th histories as an appendix.]

347th Tactical Fighter Wing, 30 July through 30 September 1973 (AFHRA Call Number K-WG-347-HI, 30 July-Sep 1973, IRIS Number 902480):

Page 1, Organization: The 347th Tactical Fighter Wing activated at Takhli Royal Thai Air Force Base on 30 July 1973. Personnel and equipment were derived from the F-111 aircraft equipped wing, the 474th TFW (Forward) from Nellis AFB, Nevada, which was a tenant unit at Takhli RTAFB. It was during the tenant status of this aircraft wing that the 6280th CSG was the USAF host unit at Takhli RTAFB. With the activation of the 347th TFW, several organizational changes occurred on this base. The most significant was that the 347th TFW became the USAF host unit. The 6280th CSG, formally the host, became a key Support Group under the Wing.

Page 38, Adequacy or Inadequacy of Facilities: As in the past, the base was plagued by lack of adequate funds to properly upgrade various facilities on base. Throughout the quarter, various projects were delayed from getting started or from getting completed.

The Fiscal Year 1974 Organization and Maintenance (O&M) funds still had not been allocated by the end of the quarter. As a result, no firm planning or programming could be initiated in this area. Many projects were delayed and repairs or alterations to systems and structures were not accomplished.

175

Appendix VI, History of 6280th Combat Support Group, 1 July-30 September 1973:

Page 2, Facilities: Paragraph B (4): During this period, the Air Force has assumed total maintenance responsibility for the munitions storage area which had previously been under Army control. This had increased the scope of the vegetation control program by 315 acres. Thereby necessitating a change order to the vegetation control contract.

Appendix VI, 628th Civil Engineering Squadron Historical Data Record, Jul-Sep 1973:

Page 3, Ammunitions Area Responsibility: Description: The USAF assumed total maintenance responsibility for the area of the munitions storage previously under Army control.

Significance and Impact: Assumption of this responsibility increased the scope of the vegetation control contract by 315 acres. This necessitated a change order to the contract.

[NOTE: As can be seen from the above, vegetation control was contracted out to a local Thai company. This would imply the heavy use of lawnmowers, not the use of herbicides.]

Appendix VI, 628th Security Police Squadron Historical Data Record, Jul-Sep 1973:

[NOTE: No mention is made of vegetation control issues in this history.]

347th Tactical Fighter Wing, 1 October through 31 December 1973, Volume 1 (AFHRA Call Number K-WG-347-HI, Oct-Dec 1973, V. 1, IRIS Number 902481):

[NOTE: There is no mention of any vegetation control issues in this history.]

347th Tactical Fighter Wing, 1 October through 31 December 1973, Volume 2 (AFHRA Call Number K-WG-347-HI, Oct-Dec 1973, V. 2, IRIS Number 902482):

Quarterly Unit History, 6280th Combat Support Group, 1 October-31 December 1973:

Page 7, Facilities: Security police personnel have constructed and replaced 8 close in defense bunkers and have rebuilt all fall-down defense positions. Screening and sandbags have been repaired or replaced at all entry control points. These improvements were favorably noted during the PACARF Security Enhancement Visit, 20-21 Nov 1973.

History of 6280th Civil Engineering Squadron, 1 Oct-31 Dec 1973:

176

[NOTE: No mention of vegetation control in this history.]

Quarterly Unit History, 6280th Security Police Squadron, 1 Oct-31 Dec 1973:

[NOTE: No mention of vegetation control in this history.]

347th Tactical Fighter Wing, 1 January through 31 March 1974, Volume 1 (AFHRA Call Number K-WG-347-HI, Jan-Mar 1974, V. 1, IRIS Number 1002392):

Page 32, Base Closure: On 15 January 1974, a team from 13AF visited the base to coordinate initial plans for the eventual closure of Takhli RTAFB. After months of uncertainty, plans for the closure of the base were beginning to be made and finalized. On 15 March 1974 a closure plan, 347TFW OPLAN 400-2, was published. This plan was directed at all o0rganizations of the base with planned actions for each unit’s phasedown. Although plans were being accomplished, the actual base closure time was not known by the end of the quarter.

Page 37, Base Closure Planning: It was not until mid March that Korat RTAFB was identified as the base that the 347TFW would move to prior to the closure of Takhli RTAFB. Immediately, possible problem areas were identified and plans were begun between the 347TFW/Takhli, 388TFW/Korat, and higher headquarters. It was originally thought that the 347TFW would be the host wing at Korat under a duel wing concept. But on 27 March 1974, CINCPACAF directed that he 347TFW would be a tenant at Korat.

[NOTE: No mention of vegetation control in this history.]

347th Tactical Fighter Wing, 1 January through 31 March 1974, Volume 2 (AFHRA Call Number K-WG-347-HI, Jan-Mar 1974, V. 2, IRIS Number 1002393):

History of the 6280th Civil Engineering Squadron, 1 Jan-31 Mar 1974:

[NOTE: No mention of vegetation control in this history.]

History of the 6280th Security Police Squadron, 1 Jan-31 Mar 1974:

[NOTE: No mention of vegetation control in this history.]

347th Tactical Fighter Wing, 1 April through 12 July 1974, Volume 1 (AFHRA Call Number K-WG-347-HI, Apr-12 Jul 1974, V. 1, IRIS Number 1001691):

Page 2, Organization, 347TFW Departs Takhli RTAFB: On 12 July 1974, the 347th Tactical Fighter wing began its change of station from Takhli RTAFB to Korat RTAFB. The overall plan called for the 347th to depart as mentioned earlier. The 6280th Combat Support Group would remain to close and terminate USAF activities. After the Wing’s departure, Takhli RTAFB USAF

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population would be decreased constantly until 1 October when the base was slated to officially close the gate to USAF presence there. Thailand’s Royal Thai Air Force activities would remain there unchanged.

Page 25, Facilities: Wind and rain during the initial phase of the SW monsoon season increased the facilities maintenance workload.

Page 26, Thailand Airfield Planning: On 14 June, word was received from 13AF that U.S. Operations would terminate approximately 14 July and all facilities there would be closed by 12 September.

[NOTE: Under Security, the only concern was for base thefts by Thai nationals increasing due to the move of the unit and the closing down of the USAF portion of the base.]

[NOTE: No mention of vegetation control issues in this history.]

Takhli RTAFB, July 1974.

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Takhli RTAFB, July 1974.

347th Tactical Fighter Wing, 1 April through 12 July 1974, Volume 2 (AFHRA Call Number K-WG-347-HI, Apr-12 Jul 1974, V. 2, IRIS Number 1001692):

History of the 6280th Security Police Squadron, 1 Apr-30 Jun 1974:

Page 2, Introduction: The squadron continued on its program of energy conservation, security surveys, resource protection and vegetation control.

[NOTE: No other mentions of vegetation control in this history.]

History of the 6280th Base Procurement Office, April-July 1974:

[NOTE: No mention of vegetation control issues in this history.] History of the 6280th Combat Support Group, 1 April-12 July 1974:

Page 7, Operations and Training: A bimonthly Airfield Inspection was conducted on 19 April 1974 and the following discrepancies were noted:

Several piles of rocks and concrete debris were noted near the northeast VASI lights. Grass cutters regularly throw similar objects onto the runway creating a definite FOD hazard. The rocks were removed and the aprons frequently patrolled to prevent further deposits such as these.

[NOTE: No other mention of vegetation control in this history.]

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6280th Combat Support Group, 15 July through 1 October 1974 (AFHRA Call Number K-GP-SUP-6280-HI, 15 Jul-1 Oct 1974, IRIS Number 901250):

Foreword: The relocation of forces and phasedown actions are complete now. In the following pages an attempt was made to document in narrative from the phasedown of activities which began on 14 July 1974 and continued until complete withdrawal of all U.S. Air Force personnel assigned to the 6280th Combat Support Group and the return of facilities to the Royal Thai Air Force.

Chronology: 25 August Procurement Office cease local procurement, all contract services completed.

31 August Service and Custodial contracts terminated.

12 September Phasedown completed and all facilities returned to Royal Thai Air Force.

Page 1, Mission: The mission of the 6280th Combat Support Group changed slightly during this period, from supporting of a tactical fighter wing to phasing down U.S. Air Force activities at Takhli Royal Thai Air Force Base and returning borrowed facilities to the Royal Thai Government.

The change of mission came with the relocation of the 347th Tactical Fighter Wing to Korat Royal Thai Air Force Base beginning on 12 July and being completed on 14 July.

Appendix 4, 6280th Security Police Squadron, 1 July-28 August 1974 Historical Data Record:

Page 1, Organization: On 30 June 1974, Air Base Defense and Law Enforcement Branches were merged, forming a newly named Resource Protection Section.

Page 5: The estimation of military working dog requirements suggested moving the dog teams from the base perimeter into close-in defense of the aircraft which freed additional military working dog teams for employment in the cantonment and industrial areas. Security responsibility for the Munitions Storage Area was turned over to the US Army on 1 July 1974, permitting dog teams previusly7 committed to that area to be utilized in the cantonment and industrial areas.

On 8 July 1974, all trip flares on the perimeter fences were removed. This was performed under EOD supervision. Consideration was given to removing the flares in place due to the danger involved without removing the devices. In addition, the weather had been unusually dry and the risk of fire was the primary factor in determining their removal instead of in place firing. Also on 8 July 1974, the Night Observation Devices were turned in, however, the Starlight Scopes were retained for security pots and stake-outs.

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Appendix 4, 6280th Civil Engineering Squadron, 1 July-1 October 1974 Historical Data Record:

Chronology: 31 August Service and Custodial contracts terminated Termination of Trans- Asia contract

1 October Formal transfer of real property facilities to Royal Thai Government. Inactivation of Takhli Royal Thai Air Force Base.

Page 3, Mission, Organization and Administration: The Operations and Maintenance function remained contracted to Trans-Asia Engineering Associates, Inc. on Contract No. F62272-71-C0077, until 13 August 1974.

[NOTE: No mention of any perimeter fence issues such as vegetation control or cancelling of specific contracts for vegetation control are found in this last history for Takhli.]

[NOTE: Takhli was closed from April 1971 until May 1972. The 355th TFW was the host unit at Takhli Royal Thai AFB, Thailand, from 8 November 1965 through 10 December 1970. The 6235th Air Base Squadron became the host from 11 December 1970 through April 1971, responsible for clearing out all USAF assets and turning the base back over to the Royal Thai Air Force. In May 1972 the base was re-opened with the 6499th Combat Support Group (Provisional) as host while the 49th TFW deployed there in May 1972. The 366th TFW arrived on 20 June 1972 and took over host base responsibilities. The 49th TFW returned to New Mexico in September 1972. Two squadrons of F-111s of the 474th TFW replaced the F-4s of the 49th. On 2 October 1972, the 366th TFW departed Takhli, and the 6280th Combat Support Group was activated to provide support for the 474th’s F-111s that remained. By November 1973, the 347th Tactical Fighter Wing took over the base and became the host unit. The 347th TFW left Takhli on 14 July 1974, the 6280th stayed to phase out U.S. Air Force operations. Takhli was again closed on 12 September 1974.]

Page 72-73, Ubon RTAFB: Ubon had undertaken a unique approach to solve one of its problems, that of controlling off- base vegetation. The ROE [rules of engagement] prohibited the use of herbicides outside the perimeter, but Base Civic Action undertook the project of having vegetation cleared 100 meters from the MMS area fence and had additionally contracted with local villagers to clear 150 meters of dense underbrush from around the base perimeter. The project was inexpensive, cleared a wide field for observation, and put money into the local villages, thereby helping to create good will.

The following are official transcriptions taken from the official unit histories while that unit was in charge of Ubon Royal Thai Air Force Base. As can be seen, herbicides were not used at this base until 22 June 1970, and apparently not for very long.

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Ubon RTAFB:

[NOTE: Before the 8th Tactical Fighter Wing took over as the host unit of Ubon, the 332nd Air Base Squadron acted as the host unit at Ubon. The 332nd Air Base Squadron histories were submitted to the AFHRA as supporting documents to the 35th Tactical Group histories. However, the 6233rd Combat Support Group replaced the 332nd Air Base Squadron after June 1965.

Detachment 14, 2nd ADVON, on 8 July 1962-unk 6012th Air Base Squadron, unk- 8 July 1963 332nd Air Base Squadron, 8 Jul 1963-8 Jul 1965 6233rd Combat Support Group (6243rd Tactical Fighter Wing), 8 Jul-8 Dec 1965 8th Combat Support Group, 8 Dec 1965-15 Sep 1974 6233rd Air Base Squadron 16 Sep 1974-26 Jun 1975]

[NOTE: 8th Tactical Fighter Wing October through December 1968 history, Volume 1 (AFHRA Call Number K-WG-8-HI, Oct-Dec 1968, V. 1, IRIS Number 447620):

Supporting Document 40, Civil Engineering Information Brochure, Ubon RTAFB, January 1969, Page 1, History:

Ubon Air Base, a Royal Thai Air Force Base, is located about two and one half miles from the downtown area of the city of Ubon. The first USAF personnel arrived at Ubon on 25 April 1962. This unit was designated Detachment 14, 2nd ADVON, on 8 July 1962. This original designation was changed to the 6012th Air Base Squadron. A further redesignation took place on 8 July 1963 as the unit became the 332nd Air Base Squadron, 35th Tactical Group. On 8 July 1965, the 332nd Air Base Squadron was inactivated and its personnel and facilities transferred to the newly activated 6233rd Combat Support Group (PACAF). Part of 13AF, this new organization was under the 6243rd Tactical Fighter Wing. On 8 December 1965, another change took place at Ubon Royal Thai Air Force Base as it became the home of PACAF’s 8th Tactical Fighter Wing.]

35th Tactical Group, 1 January through 30 June 1964 (AFHRA Call Number K-GP-35-HI, Jan-Jun 1964, IRIS Number 435558):

Roster of Key Personnel:

Ubon, Thailand: 332nd Air Base Squadron Det 2, 619th Tactical Control Squadron Det 6, 1964th Communications Group

Historical Data Record, 332nd Air Base Squadron, Jan-Jun 1964:

Page 1, Mission: The mission of the 332nd Air Base Squadron is to provide housekeeping and normal base support to the attached units. These units provide communications

182 and radar coverage for this section of S.E. Asia. A radar training program is conducted for the RTAF.

Page 2, Engineering: During this reporting period the base has moved to a new cantonment area. This move has had many problem areas and numerous contract deficiencies have been apparent.

Page 4, Other: The personnel of this detachment relied heavily on the US Army, Camp Friendship. They provided the messing, BX (except during Exercise Air Boon Choo), Postal Service, Special Services plus intangible benefits. Minor improvements were made in the camp by the detachment personnel. This includes improvement of the Camp Electrical system, landscaping, preparation for a patio and remodeling on the buildings used for the club.

[NOTE: As can be seen, this small rotational base was operated by the Royal Thai Air Force and they were responsible for base defense at this time. The nearby U.S. Army base may have had some vegetation control programs, but the USAF unit history program would not have access to that type of information. It is evident, however, that the USAF units at Ubon at this time did not have any vegetation control programs and did not use any herbicides.]

35th Tactical Group, 1 July through 31 December 1964, Volume 3 (AFHRA Call Number K-GP-35-HI, Jul-Dec 1964, V. 3, IRIS Number 435561):

Historical Data Record, 332nd Air Base Squadron, Jul-Dec 1964:

Page 2, Civil Engineering: During this period the move from the old cantonment area adjacent to the ramp to the present location was completed. An insect spraying schedule was adapted during September per request of 332nd Medical Officer, Capt Jerry L. Jones.

[NOTE: While herbicide spraying was not taking place, insecticide spraying was begun, September 1964. Many veterans may have misunderstood the purpose of this spraying over the intervening years and mistook the mosquito control sprayer as a herbicide sprayer. There is no mention of any vegetation control or herbicide use in this history.]

35th Tactical Group, 1 January through 30 June 1965 (AFHRA Call Number K-GP-35-HI, Jan-Jun 1965, IRIS Number 435562):

Page 1, Mission: To assist the RTAF in the training of personnel of the Royal Thai Air Force. To support USAF units and detachments located in Thailand, which are assigned or attached to the 2nd Air Division. To exercise operational control or command, as directed by competent authority, over those USAF units and detachments located in Thailand in support of the 2nd Air Division.

Subordinate Units:

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332nd Air Base Squadron, Ubon AB, Thailand.

Historical Data Record, 332nd Air Base Squadron, Jan-Jun 1965:

[NOTE: No mention of any perimeter issues as the base was very new and civil engineering was consumed with construction of living and working facilities. Security police issues were concerned with registration of both USAF personnel and the newly hired Thai employees. No herbicide use is noted nor expected for a new base.]

[NOTE: No units located at Ubon submitted any unit histories for the July through December 1965 period, probably due to the transition to the 8th Tactical Fighter Wing assuming control of the base in January 1966. Since prior to June 1966 there was no base perimeter fence, and after that, only sporadic fencing was erected (as can be seen in the below), it is assumed that no herbicide use along the perimeter was permitted by the Thai government.]

8th Tactical Fighter Wing January through June 1966 history (AFHRA Call Number K-WG-8-HI, Jan-Jun 1966, IRIS Number 447606):

Page 30, Security and Law Enforcement: As during the past reporting period, security presented a major problem at Ubon. One of the primary problems with security was the lack of a perimeter fence and proper security fencing around priority resources. Further problems were with improper security lighting and lack of control to the base proper. Base access remains the responsibility of the Royal Thai Air force and their standards do not meet USAF minimums. A further problem is the location of private property within the boundaries of the base thereby causing further access problems. There was no foreseeable solution to the perimeter security problems at the close of the reporting period.

8th Tactical Fighter Wing July through December 1966 history (AFHRA Call Number K-WG-8-HI, Jul-Dec 1966, IRIS Number 447607):

[NOTE: No mention of vegetation control or herbicide use in either the civil engineering or security police sections of this history.]

8th Tactical Fighter Wing January through June 1967 history, Volume 1 (AFHRA Call Number K-WG-8-HI, Jan-Jun 1967, V. 1, IRIS Number 447608):

[NOTE: No mention of vegetation control or herbicide use in either the civil engineering or security police sections of this history.]

8th Tactical Fighter Wing January through June 1967 history, Volume 2 (AFHRA Call Number K-WG-8-HI, Jan-Jun 1967, V. 2, IRIS Number 447609):

Tab 13, Basic Data Brochure, Ubon RTAFB, July 67:

Page 18, Entomology: 1. Personnel: Two military (tow airmen) and two Thai nationals.

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2. Equipment: One fogger machine for insecticides, trailer mounted. One ¾ ton six passenger Dodge truck and two skid mounted beam sprayers. 3. Personnel qualifications: All military personnel have attended courses on pest and rodent control and have been certified by SAC-PACAF. 4. Material: Insecticides – Melathion, 5% DDT, powder and liquid, Warfrain, DDT 20% O.S., DDT 10% dust.

Page 22, Civil Engineering Vehicles:

Pick Up Truck ¾ ton 4 door:

Serial Number 64B7338, assigned to Entomology.

[NOTE: The above is included to explain some of the fogging and spraying that occurred at Ubon RTAFB. Although no herbicides were utilized at this time, witnesses may have seen the use of insecticides.]

Ubon Royal Thai Air Force Base, July 1967.

8th Tactical Fighter Wing, July through September 1967 (AFHRA Call Number K-WG-8-HI, Jul-Sep 1967, IRIS Number 447610), Tab 27, Historical Data Report, 8th Security Police Squadron, July through September 1967:

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Page 3: Fencing around restricted area and areas containing material highly susceptible to pilferage is almost negligible. As a result, entry into most of the restricted areas is impossible to control, and losses due to pilferage have been high. Adequate lighting for hardstands [aircraft parking areas] and mass parking aprons is scheduled to be completed by May 1968, under MCP [military construction program].

8th Tactical Fighter Wing, October through December 1967 (AFHRA Call Number K-WG-8-HI, Oct-Dec 1967, IRIS Number 447611):

Appendix 4, Tab 6, Historical Data Record, 8th TFW Maintenance and Supply, Oct-Dec 1967:

408th Munitions Maintenance Squadron: The Storage Area: Many improvements have been realized in the Off Base Storage Area. Re- warehousing was completed beginning when the new portion of the storage area was finished. Vegetation control was a continuing problem and the older portion of the storage are underwent a complete leveling and grading program. Swampy areas were filled, old fencing and concertina wire was removed and all vegetation was removed.

[NOTE: As can be seen from the above, vegetation was dealt with by grading, not by herbicides.]

Appendix 4, Tab 8, 8th Security Police Squadron Historical Data Report, Oct-Dec 1967:

Page 2, Problem Areas: A critical lack of physical security aids existed for the protection of Aerospace Operational Resources, funds and other valuable USAF property. Fencing and lighting around restricted areas was almost nonexistent. Although requests for these aids had been submitted for a long time and frequent follow up action taken, there was no progress. There were no intrusion alarms for any of the facilities on base which required them.

8th Tactical Fighter Wing, January through March 1968, Volume 2 (AFHRA Call Number K-WG-8-HI, Jan-Mar 1968, V. 2, IRIS Number 447614):

Supporting Document 39, Thirteenth Air Force Inspector General’s Report of 8th Tactical Fighter Wing, Ubon Air Base, Thailand, 4-12 January 1968:

Page I-2, 408th Munitions Maintenance Squadron, Finding: Paragraph 3, Munition Storage, a., Findings, (4): Vegetation control in the munitions storage area was not being maintained.

Page J-4, 8th Security Police Squadron, Paragraph 4, Security Operations, a, Findings, (3): The base perimeter was not enclosed completely with security fencing.

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Page J-5, (10): No perimeter road existed which would provide security forces a rapid response route to areas of likely ground attack.

[NOTE: In the munitions area no vegetation control is apparent, and in the security police area no mention of vegetation control is made at all.]

8th Tactical Fighter Wing, July through September 1968, Volume 2 (AFHRA Call Number K-WG-8-HI, Jul-Sep 1968, V. 2, IRIS Number 447618):

[Note, the below is included due to the possibility that personnel may have mistaken insect control with vegetation control at Ubon.]

Supporting Document 62, Civil Engineering Information Brochure, 30 June 1968, Ubon RTAFB:

Page 13, Entomology: 1. Personnel: Four military (one M/Sgt three Sgt) and four Thai nationals. 2. Personnel Qualification: Three military have attended courses on pest and rodent control and are certified by PACAF. 3. Equipment: (1) Two cold foggers used to fog the base for flying insects. (2) Two skid-mounted Hudson power-driven sprayers, used to spray large areas and trees. (3) One wheel-mounted Hudson 200 Gal Power Sprayer used to spray wettable powder and solutions on grass areas for insects. (4) Fifteen manual 2 Gal hand sprayers used to spray barracks, officers, and mess halls, for crawling insects. (5) Six manual dusters 10 LBS capacity used to dust grass areas and plants for insects. (6) Two power-driven mist sprayers four quarters capacity used to spray inside for flying insects. (7) Two light traps used to trap mosquitoes. (8) Six rodent traps used to trap rodents alive. (9) Twelve dozen spring rate traps and ninety-six dozen mouse traps. (10) One calcium cyanide foot pump for rat burrows. 4. Material: Rodenticides: Linuse, Warfarin, and calcium cyanide.

Insecticides in use: 10% DDT dust, 5% Chlordane dust, 1% Lindane dust, 20% Diazinon, 12% Lindane, 57% Malathion emulsifiable concentrate.

The development of numerous pesticides and dispersal methods in the past few years has brought about a high degree of specialization in the field of pest control. A great number of chemicals are now in use having varying degrees of effectiveness and toxicity. A constant training program is in effect to insure proper handling of chemicals is maintained and safety requirements are not violated.

[NOTE: Udorn RTAFB was attacked on 26 July 1968, which prompted the below message to be sent to all USAF bases in Thailand:]

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56th Special Operations Wing, July through September 1968, Volume 3 (AFHRA Call Number K-WG-56-HI, Jul-Sep 1968, V. 3, IRIS Number 451125):

Supporting Document 67, Message, Deptuy Commander, 7/13 AF, Udorn Afld, Thailand to 8TFW, Ubon; 355TFW, Takhli; 388TFW Korat; 432TRW Udorn; 56ACW, NKP; 6310CSG, Don Muang; 6350CSG, U-Tapao; MACTHAI; 7AF, TSN; 13AF, Clark; HQ PACAF; AMEBM Bangkok, Thailand; American Counsl, Udorn, Subject: Lessons Learned From The Attack on Udorn, 26 Jul 68:

Paragraph 2: Lessons Learned. Following is a discussion of lessons learned. Conclusions are very preliminary and are forwarded without further documentation for the benefit of commanders in Thailand. a. Thai guards performed well as members of joint UJSAF/Thai Teams. It is probably well to maintain the feeling of joint responsibility. b. Lack of perimeter lighting, watch towers, inadequate fencing, weeds, and close perimeter afforded the enemy increased surprise and east of penetration. Selective construction of more bunkers would have enhanced the defense, although care required to avoid making these available to infiltrators.

[NOTE: The rest of the message deals with the need for flare ships, fire discipline, Thai guard and forces support and radio coordination. The final paragraph states:]

Paragraph 3: Commanders will take the following steps:

A. Immediately assess availability of Thai forces to support defense of base. B. Evaluate procedures and communications for coordination of base defense during emergency and make adjustments as possible C. Review training status of USAF and Thai Guards, and initiate retraining on a scheduled basis. D. Take steps to develop a standby flare ship capability at Udorn, Ubon, NKP, and Korat. E. Review base defense plan with an eye to covering critical areas which are adjacent to the perimeter.

[NOTE: In essence, the Deputy Commander of 7/13th Air Force was ordering the base commanders in Thailand the above steps. As can be seen, vegetation or ‘weed’ control would fall under subparagraph E, above, and was the last item mentioned and the least forceful of the ordered steps to take.]

188

Ubon Royal Thai Air Force Base, circa February 1968. No perimeter fence, no jungle up against the base; some trees near the sewage treatment lake, lower right.

8th Tactical Fighter Wing October through December 1968 history, Volume 1 (AFHRA Call Number K-WG-8-HI, Oct-Dec 1968, V. 1, IRIS Number 447620):

Page 82, Facilities, Land: The government of Thailand owned all land occupied by Ubon Airfield. There were 1,789 acres of improved land and 84 acres of unimproved land. Improved acres included 379 acres of an off-base ammunition storage site.

[NOTE: No mention of any perimeter vegetation control or herbicide use in this history, either in the civil engineering or security police sections.]

189

Supporting Document 40, Civil Engineering Information Brochure, Ubon RTAFB, January 1969:

Page 12, Entomology: 1. Personnel: Four military (one M/Sgt three Sgts) and four Thai Nationals.

2. Personnel Qualification: Three military have attended courses on pest and rodent control and are certified by PACAF.

3. Equipment:

(a) Two cold foggers used to fog the base for flying insects.

(b) Two skid-mounted Hudson power-driven sprayers, used to spray large areas and trees.

(c) One wheel-mounted Hudson 200 Gal Power Sprayer used to spray wettable powder and solutions on grass areas for insects.

(d) Fifteen manual 2 Gal hand sprayers used to spray barracks, officer’s quarters, and mess halls, for crawling insects.

(e) Six manual dusters 10 LBS capacity used to dust grass areas and plants for insects.

(f) Two power-driven mist sprayers four quarters capacity used to spray inside for flying insects.

(g) Two light traps used to trap mosquitoes.

(h) Six rodent traps used to trap rodents alive.

(i) Twelve dozen spring rate traps and ninety-six dozen mouse traps.

(j) One calcium cyanide foot pump for rat burrows.

4. Material:

(a) Rodenticides: Linuse, Warfarin, and calcium cyanide.

(b) Insecticides in use: 10% DDT dust, 5% Chlordane dust, 1% Lindane dust, 20% Diazinon, 12% Lindane, 57% Malathion emulsifiable concentrate.

The development of numerous pesticides and dispersal methods in the past few years has brought about a high degree of specialization in the field of pest control. A great number of chemicals are now in use which have varying degrees of effectiveness and toxicity. Consequently a training program has been established to insure the proper handling of these chemicals.

190

[NOTE: The above extract is provided to show the resources used to kill vermin and insects, and how this equipment and its use could be mistaken by some as equipment being used for the spraying of herbicides.]

Page 16, Land Management: Much of the area on base and at the off base site has been sodded for dust control and to prevent soil erosion.

Fertilization: Approximately 400 acres are scheduled for fertilization each year. Rate of application has averaged 200 pounds per acre.

Maintenance by Contract: All areas of improved ground require contract watering from October through April each year. This evidenced by the annual rainfall record listed below:

Jan Feb Mar Apr May Jun Jul Aug Sep Minimum recorded Trace Trace Trace 0.3 1.8 1.1 3.4 5.0 1.8 Maximum recorded 0.4 2.0 7.3 8.4 26.4 17.0 15.9 21.4 22.3

Oct Nov Dec Minimum recorded 0.7 0.0 0.0 Maximum recorded 10.5 7.1 1.6

Approximately 540 acres of grass on base and 379 acres at the off base site are maintained by contract at an estimated yearly cost of $45,000.00.

[NOTE: The above is included to show that the USAF was more worried about the lack of vegetation to keep the dust down than the overabundance of foliage that had to be kept back.]

8th Tactical Fighter Wing October through December 1968 history, Volume 2 (AFHRA Call Number K-WG-8-HI, Oct-Dec 1968, V. 2, IRIS Number 447621):

Historical Data Record, 8th Security Police Squadron, Oct-Dec 1968:

[Note: Besides the building of bunkers and towers, there is no mention of perimeter security issues. There is no mention of any vegetation control or any herbicide use.]

Historical Data Record, 8th Civil Engineering Squadron, Oct-Dec 1968:

[NOTE: There is no mention of any vegetation control or herbicide use in this history.]

8th Tactical Fighter Wing January through March 1969 history, Volume 1 (AFHRA Call Number K-WG-8-HI, Jan-Mar 1969, V. 1, IRIS Number 447622):

Page 99, Security: The defense of Ubon was upgraded from a peacetime condition to a security posture capable of dealing with sustained limited war involving insurgency and Guerrilla attacks. This involved a complete review of past security capabilities. Study of the situation in and around Thailand resulted in the need for an increased ability to defend the base

191 against attack. The threat of attack steadily increased and according to intelligence sources, attacks on the base could be expected in the future.

To prepare for this attack potential, many security features were either improved or created. Personnel remained a problem with a shortage of 16 security policemen and 34 Thai guards.

Page 100: Perimeter roads and fencing, including triple concertina barbed wire and additional perimeter lighting, were begun during the quarter. Completion of the fencing was scheduled for August 1969.

[NOTE: The USAF leadership was always uncomfortable with the defenses of the Thailand bases, but the Thai government refused to acknowledge these air bases’ vulnerability. Finally, by early 1968 the Thai government begrudgingly allowed the USAF to start beefing up their security around the bases in their country. Intelligence sources must have convinced the Thai governing entities that the American bases were in real danger, and they were. The first attack came at Ubon on 26 July 1968, just a few months after Ubon began its efforts to beef up its defenses. It was too little, too late. As can be seen, physical barriers were the primary emphasis, not vegetation control. No mention of herbicide use is made in this history.]

8th Tactical Fighter Wing January through March 1969 history, Volume 2 (AFHRA Call Number K-WG-8-HI, Jan-Mar 1969, V. 2, IRIS Number 447623):

Appendix VI: Historical Data Record, 8th Supply Squadron, Jan-Mar 1969:

[NOTE: No mention of any herbicides or vegetation control items in this history.]

Historical Data Record, 8th Security Police Squadron, Jan-Apr [sic-Mar] 1969:

Page 7, General: [Since] In May 1968, Ubon RTAFB was operating under the peacetime stateside security conditions outlined in AFR 207-1 and AFM 207-1. It was recognized that this condition would not provide adequate protection for an in-depth internal physical security program for resources located in a sustained limited war, insurgency or guerrilla environment. Thus, a security standard was developed and implemented that would provide security capable of dealing with threats of overt enemy attacks conducted to achieve destruction or damage to Ubon’s forces, weapons systems or other essential resources committed to the war effort. All resources needed to sustain this capability had to be provided security in depth.

Security Facilities:

1. Fencing: (a) Base Perimeter: 1. Requirement for perimeter fencing deviates from PACAFM 207-25, based on guidance provided by 7/13AF HOC Base Defense Survey of 5 Aug 1968, and subsequent guidance for 13AF.

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(a) Double Apron 25,000 feet (b) Triple Row Concertina 60,400 feet

2. In-Place: (a) Double Apron 0 (b) Triple Row Concertina 34,000 feet

3. Deficit: (a) Double Apron 25,000 feet (b) Triple Row Concertina 34,000 feet

Page 8:

2. Lighting: (a) Base Perimeter: 1. Requirements 49,000 feet 2. In-Place 2,000 feet 3. Deficit 47,000 feet Approved for critical areas only. To be constructed by Red Horse awaiting siting approval and material.

3. Observation Towers: (a) Base Perimeter: 1. Requirements 17 2. In-Place 9 3. Deficit 8 9 Towers presently approved for construction, estimated completion 15 Feb 69, remaining towers to be constructed by Red Horse.

4. Bunker: (a) Base Perimeter (Personnel) 1. Requirements 129 2. In-Place 70 3. Deficit 59 Approved for in house construction, SPOS are constructing on self help basis.

5. Perimeter Road: 1. Requirements 10 Miles 2. In-Place 0 3. Deficit 10 Miles Approved for construction by Red Horse, awaiting siting approval.

Page 14: External Defense Plan, has been written and forwarded to 2nd Thai Army for approval. Plan outlines areas of responsibilities. Verbal agreement of command and control channels; areas of Defense and Responses has been developed.

[NOTE: The above is shown to illustrate that basic physical barriers had to be constructed first, before vegetation control could even be considered. Also, all base defenses had to be approved by the Thai Government. As can be seen from the above,

193 vegetation control and herbicides was not even considered at this stage of the base defense of Ubon.]

Historical Data Record, 8th Civil Engineering Squadron, Jan-Mar 1969:

Page 5: As on almost all overseas military installations, pest control is high on the list of priorities. During this quarter, we experienced major difficulties in our termite control program. Many buildings were determined to be infested with nests of termites. However, by spraying the actual nesting areas and treating the ground around the buildings that had termites, we pretty well controlled them. In our mosquito control program, we sprayed the base each night, the clubs two times a week and potential mosquito breeding areas three times a week. This concentration kept the mosquito level down to the bearable point.

[NOTE: The above is transcribed to explain what many personnel, 40 plus years later, claim was herbicide spraying around the base. In actuality, it was insecticide, not herbicides, that was being sprayed.]

DD Form 1354, Transfer and Acceptance of Military Real Property:

Security Fence/Lighting barbed wire security fence (Type “B” fence) Consisting of precast re-inforced concrete posts, barbed wires extension arms and gates. Security lighting along fence line on concrete poles with flood-lights and feeder line direct burial cable. Cost: $29,000.

[NOTE: The above again illustrates the approach of physical barriers as opposed to vegetation and foliage control around the perimeter of the base. No mention of any vegetation control or herbicide use in this history.]

Thirteenth Air Force, 1 July 1968 through 30 June 1969, Volume 1 (AFHRA Call Number K750.01, FY 1969 (1 Jul 68-30 Jun 69), Vol 1, IRIS Number 899069):

[NOTE: After the attack on Udorn in July 1968, efforts were made to improve base defense in Thailand. The below entry concerns Thailand as a whole as of 28 April 1969:]

Page I-244, Base Defense: Other improvements in the defense posture were authorization for 303 sentry dogs, steps toward a complete conversion of the commercial vehicle fleet to M- Series vehicles; conversion from a single-channel non-tactical network to a dual- channel system; improved weapons inventory including arming all Thai guards with M-16 rifles. Other beneficial steps were constructing physical security aids such as bunkers, gun emplacements, erecting 368,531 linear feet of fixed fortification fencing, and defoliation of perimeter areas.

Thirteenth Air Force, 1 July 1968 through 30 June 1969, Volume 4 (AFHRA Call Number K750.01, FY 1969 (1 Jul 68-30 Jun 69), Vol 4, IRIS Number 899072):

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Supporting Document 184, Message, HQ 13AF to CINCPACAF/Commander, 281130Z April 1969, Subject: Base Defense/Security – Thailand:

Page 4 of 5, paragraph 6 d: Defoliation is underway and in various stages of completion.

[NOTE: As can be seen, with only one sentence out of five pages of this message, vegetation control did not merit much discussion. To clear the areas near the perimeter fences quickly to afford a defensive advantage, the foliage would have to be removed quickly. Herbicides do not do this as the debris is still required to be removed. Initial vegetation control was most likely conducted by mowing, cutting, burning, bull-dozing or use of other heavy equipment like road graders.]

8th Tactical Fighter Wing April through June 1969 history, Volume 1 (AFHRA Call Number K-WG-8-HI, Apr-Jun 1969, V. 1, IRIS Number 447624):

Page 65, Entomology: Providing an invaluable assistance to the Thai community was the Entomology Section which volunteered time, equipment and manpower during the cholera epidemic which struck the City of Ubon in late May. Base personnel assisted by spraying potential disease producing areas of the town, washing down the local market places to rid them of rotting and decaying produce, and by purifying public wells and other water sources.

Page 75, Civic Actions: Early in June [6-20 June 1970], a cholera epidemic struck Ubon and the local areas. To fight this deadly disease, five teams of volunteers, in response to an appeal by the local community leaders, initiated a campaign to assist the villagers. For nearly a month, these teams travelled to a total of 43 villages, including Ubon and Warin, where they administered nearly 18,000 immunizations and sanitized vast areas by fogging and spraying insecticides and disinfectants. It was reported that seven villagers died and more than a hundred more were stricken by cholera before the epidemic was subdued.

[NOTE: No mention of any vegetation control measures taken along the perimeter fence in this volume of the history.]

8th Tactical Fighter Wing April through June 1969 history, Volume 2 (AFHRA Call Number K-WG-8-HI, Apr-Jun 1969, V. 2, IRIS Number 447625):

Supporting Document 69, Installation History and Units Assigned:

Page 12, Entomology:

1. Personnel: Four military (one SMSgt, four Sgts) and four Thai Nationals. 2. Personnel Qualification: Three military have attended courses on pest and rodent control and are certified by PACAF. 3. Equipment: (a) Two cold foggers used to fog the base for flying insects.

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(b) Two skid-mounted Hudson power-driven sprayers, used to spray large areas and trees. (c) One wheel-mounted Hudson 200 Gal Power Sprayer used to spray wettable powder and solutions on grass areas for insects. (d) Fifteen manual 2 Gal hand sprayers used to spray barracks, Officers’ quarters and mess halls, for crawling insects. (e) Six manual dusters 10 lbs capacity used to dust grass areas and plants for insects. (f) Two power-driven mist sprayers four quarters capacity used to spray inside for flying insects. (g) Two light traps used to trap mosquitoes. (h) Six rodent traps used to trap rodents alive. (i) Twelve dozen spring rate traps and ninety-six dozen mouse traps. (j) One calcium cyanide foot pump for rat burrows. 4. Material: (a) Rodenticides: Linuse, Warfarin, and calcium cyanide. (b) Insecticides in use: 10% DDT dust, 5% Cholodane dust, 1% Lindane dust, 20% Diazinon, 12% Lindane, 57% Malathion emulsifiable concentrate.

The development of numerous pesticides and dispersal methods in the past few years has brought about a high degree of specialization in the field of pest control. A great number of chemicals are now in use which have varying degrees of effectiveness and toxicity. Consequently a training program has been established to insure the proper handling of these chemicals.

[NOTE: Also, in late June, the Thirteenth Air Force Security Defense Survey Team arrived on base and reviewed the base defense and issued the following report, which also emphasized vegetation control:]

8th Tactical Fighter Wing April through June 1969 history, Volume 3 (AFHRA Call Number K-WG-8-HI, Apr-Jun 1969, V. 3, IRIS Number 447626):

History of the 8th Civil Engineering Squadron, Apr-Jun 1969:

Page 4, Major Construction Projects: The Security Package, which is a Red Horse project, includes construction of a perimeter road, security lights and towers and has a completion date in November 1969. A security fence is also a part of the Security Package, but it will be accomplished by troop labor.

History of the 8th Security Police Squadron, Apr-Jun 1969:

Page 9, Special Projects: Fencing Detail: In the past three months, a considerable amount of triple and double concertina fence line has been laid. At present the entire off base Bomb Dump perimeter has been properly fenced in and about one fifth of the base perimeter fence line has been completed.

Page 10, Perimeter Road/Towers: Of the ten mil.es of perimeter road required, Det 4, 556th CES, (Red Horse), has completed approximately four miles of it. They have also built seven of the eight towers required and have put five towers

196 in place. Unfortunately, all activities of this unit will cease 15 July 1969 due to their withdrawal from Thailand. This will result in a long delay of the Perimeter Road/Towers project, until contractors can be hired to finish the project.

[NOTE: The perimeter fence was not completed at this time and there is no mention of any vegetation control, although other projects around the perimeter are mentioned.]

432nd Tactical Reconnaissance Wing, July through September 1969, Volume 2 (AFHRA Call Number K-WG-432-HI, Jul-Sep 1969, V. 2, IRIS Number 457857):

Supporting Document 88, Thirteenth Air Force Security Defense Survey, signed by Colonel T.L. Simpson, dated 19 September 1969, to 8, 56, 355, 388, 432, and 635 Combat Support Groups:

Page 1, paragraph 1: A defense survey was conducted at Ubon RTAFB, NKP TRAFB, Udorn RTAFB, Takhli RTAFB, U-Tapao RTNB, and Korat RTAFB, Thailand during the period 23-30 June 1969. Survey team members were Major D.E. Clemente, Civil Engineering Officer, AFRCE Thai, and Captain F. Capone, Security Police Officer, 13AF (IGS). The purpose of the survey was to reassess the 1968 security package, identify additional requirements for perimeter defense security facilities, and to assess the impact of Red Horse withdrawal on security construction programs.

Page 2, General comments on base defense security facilities, paragraph d: A continuing vegetation control program is required for cleared areas under and between perimeter security fences. The area between the fences is intended to be used as a no-man’s land with additional detection and deterrent devices such as trip flares, TSSE, tangle-foot, etc. being employed within. In view of the above, a mowing operation for vegetation control will be impossible. As a result, a conscientiously controlled program of vegetation control through the use of herbicides must be applied. Application of herbicides must be directed toward retarding growth to provide a cleared area, but under no circumstances should the type or quantity applied result in destruction of root structure so as to create a serious erosion problem. Additionally, remaining growth should be of sufficient height so as to provide camouflage for detection and deterrent devices planted in the cleared area.

8th Tactical Fighter Wing July through September 1969 history, Volume 1 (AFHRA Call Number K-WG-8-HI, Jul-Sep 1969, V. 1, IRIS Number 447627):

Page 59, Facilities: No new major construction projects were started during this period and all projects under construction during the previous quarter were still incomplete at the close of this quarter.

Page 62, Security: [NOTE: the base was attacked on 28 July 1969.] The possibility of further attacks on the base brought about a number of changes in base security

197 measures. The physical aids which were well under way at the close of the previous quarter, were completed in late August. These aids included triple and double concertina barbed wire fencing around the perimeter of the base, mortar pits at both ends of the runway, 17 machine gun bunkers and 150 one man fighting bunkers.

Supporting Document 41, Combat Operations After Actions Report for attack on 28 July 1969, dated 20 August 1969:

Page 10, Areas where improvement is required: Keep grass and foliage short.

8th Tactical Fighter Wing July through September 1969 history, Volume 2 (AFHRA Call Number K-WG-8-HI, Jul-Sep 1969, V. 2, IRIS Number 447628):

[NOTE: No mention of vegetation control, with the exception of the After Action Report of the 28 July 1969 attack, noted above, is made in the 8th Security Police Squadron history.]

8th Civil Engineering Squadron history for the Jul-Sep 1969 period:

Page 3, Major and Minor Construction not Completed as of Sept 1969:

The Security Package, which was a Red Horse Project, has been re-designed by OICC for completion by contract. [NOTE: See April through June 1969 8 CES history, above, for fuller explanation.]

[NOTE: No mention is made of any vegetation control except that the vegetation along the perimeter fence needed to be kept short. This would imply the use of lawn mowers and cutters, as opposed to weed killers such as herbicides.]

355th Tactical Reconnaissance Wing, July through September 1969, Volume 2 (AFHRA Call Number K-WG-335-HI, Jul-Sep 1969, V. 2, IRIS Number 456438):

Appendix 4, Historical Data Record, 355th Civil Engineering Squadron, Jul-Sep 1969:

Pages 3-4, Manning: On 28 June 1969 a message was received from 13th Air Force directing the 355th Civil Engineering Squadron to place one (1) Lieutenant, AFSC 5525C, on 29 days TDY to Ubon RTAFB , Thailand to supervise that base’s Security Construction Program. At that time 355th Civil Engineering Squadron was not fully manned, as only five (5) officers were assigned against six (6) authorized. A message was sent to 13th Air Force on 1 July 1969 stating the reasons why this squadron could not meet the TDY requirements and requested release from the levy. On 3 July 13th Air Force relieved this station from the TDY requirements; however, the assignment was again levied on 355th CES on 5 July 1969. Lt Page, who was finally chosen for this TDY, departed this station on 6 July for temporary duty to Ubon RTAFB. A message received on 11 July relieved this squadron of the TDY requirements. This was contingent upon the arrival at Ubon

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of another lieutenant from Clark AB, P.I. Lt Page returned from TDY on 16 July 1969.

[NOTE: The above is noted only in that Ubon RTAFB evidently needed someone who had worked on a base security package, which would include clearing the vegetation away from the perimeter fence. But there is a little more to the story than related above. The 8th Civil Engineering Squadron at Ubon needed help for this area and originally, a Lieutenant Cosgrove of the 56th Civil Engineering Squadron, from Nakhon Phanom RTAFB, Thailand, was picked to go assist them. However, on 19 June 1969 Headquarters Thirteenth Air Force cancelled Lt Cosgrove’s TDY (probably due to a request from the 56th CES to be released from the TDY) and requested another lieutenant, this time from Takhli RTAFB, Thailand, to assist the 8th CES. However, the 355th CES only had one lieutenant that was a civil engineer, Lieutenant Page. Lt Page was the Officer in Charge (OIC) of construction, and was responsible for a number of building projects on Takhli, such as the Laundry, Officers Open Mess kitchen renovation, blast deflectors for F-105 aircraft, Air Rescue Alert facility, modification to the Data Automation and Consolidated Base Personnel Office Buildings and changes to the wing command post for the installation of communications equipment. However, as busy as he was with the above, the real reason was that “Lt Page does not have detailed knowledge of the Security Package.” So the follow up question that Thirteenth Air Force would naturally ask would have been, ‘if you can’t send a Lt., send whoever your security package expert happens to be.’ The 355th CES sidesteps the question by listing out the other four officers and why they could not possibly be sent to Ubon. None of the officers identified are given credit for overseeing the Security Package at Takhli. Thirteenth Air Force relented, and tasked U-Tapao (635th Civil Engineering Squadron) with the TDY to Ubon. However, the 635th also pleads to be released from the tasking, and so, it went back to the 355th. So Lt Page does go, but since he does not know much about the Security Package, and probably because of some telephone calls to Thirteenth Air Force from the 355th Tactical Fighter Wing, Lt Jonathan Spector, Thirteenth Air Force headquarters, ends up traveling from Clark Air Base, Philippine Islands, and relieves Lt Page (who returns to Takhli) and oversees the perimeter fence Security Package for Ubon (8th Civil Engineering Squadron). I only include all of this to show that the Thailand bases were feeling their way in beefing up their base security and when one base appears to have chosen well, that expertise was sought after for the other Thailand bases. Thirteenth Air Force probably wanted to utilize expertise from within Thailand, instead of spending the money by sending someone from the Philippines to Thailand, but, in the end, that is exactly what they ended up doing.]

8th Tactical Fighter Wing October through December 1969 history, Volume 1 (AFHRA Call Number K-WG-8-HI, Oct-Dec 1969, V. 1, IRIS Number 447629):

Page 88, Security Measures and Equipment: The following additional security measures were either taken or completed during this quarter due to an increased amount of communist activities in the Ubon area.

1. Construction of double concertina wire was begun at the off base munitions storage area. At the close of the period the project was 55 per cent complete and was slated for completion by January 15.

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2. A third mortar pit was completed on the north perimeter of the base, raising the number of pits to three. 3. Fifteen additional machinegun bunkers were completed bringing the total to 32. 4. Two additional security towers were completed on the north perimeter of the base. 5. Construction was started in December on a new Central Security Control (CSC) building. 6. The 8th SPS received 60 5.56 submachine guns. These weapons were to be utilized by sentry dog handlers, the new weapons being much easier to carry than the M-16. 7. The unit also received 51 M-79 grenade launchers which would be utilized by Security Alert Teams, Quick Reaction Teams, and in selected bunkers around the base perimeter.

8th Tactical Fighter Wing October through December 1969 history, Volume 3 (AFHRA Call Number K-WG-8-HI, Oct-Dec 1969, V. 3, IRIS Number 447631):

History of the 8th Security Police Squadron, Oct-Dec 1969:

Page 9, Special Projects: The following special projects have been completed or started during this reporting period. a. The installation of double concertina fence line at the off base Munitions Storage Area is 55% completed, with a completion date of 15 January 1970. b. A third mortar pit was completed on the north perimeter of the base, bringing the total number of mortar pits to three. c. 15 additional machinegun bunkers were completed during this period, bringing the total of operational bunkers to 32. d. Two additional security towers were completed on the north perimeter of the base, bringing an end to this phase of the security package. e. Construction was started in December, on the new Central Security Control building, located adjacent to building 1403.

Supporting Document to the 8th Security Police Squadron Oct-Dec 1969 history, Inspector General, Security, Report, Tab P, dated 12 October 1969, on the 8th Security Police Squadron:

Page P-3, Air Base Defense Operations: Rating – Satisfactory. The Security Operations Section demonstrated the capability to perform the assigned mission. Personnel assigned were well motivated and aggressive toward the accomplishment of their duties. A program to construct perimeter defense facilities was progressing well and self-help efforts by Security Police and base personnel to construct security fences, machine gun bunkers and mortar pits were excellent.

[NOTE: There is no mention of any vegetation control measures for this quarter either in the Security Police or Civil Engineering Squadron histories.]

8th Tactical Fighter Wing January through March 1970 history, Volume 1 (AFHRA Call Number K-WG-8-HI, Jan-Mar 1970, V. 1, IRIS Number 447632):

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[NOTE: No mention of vegetation control in this volume.]

8th Tactical Fighter Wing January through March 1970 history, Volume 2 (AFHRA Call Number K-WG-8-HI, Jan-Mar 1970, V. 2, IRIS Number 447633):

Supporting Document 58, Combat Operations After Actions Report for 13 January 1970, dated 6 February 1970:

Page 9, Areas where improvement is required: (1) Keep grass and foliage between perimeter fences cut.

8th Tactical Fighter Wing April through June 1970 history, Volume 1 (AFHRA Call Number K-WG-8-HI, Apr-Jun 1970, V. 1, IRIS Number 447635):

Page 114, Facilities: Efforts under the Military Construction Projects program was centered around the base Security Package which included constriction of a base perimeter road with security lighting and guard towers, and security lighting in the off-base munitions storage area. The Security Package was slated for completion during the next quarter.

Page 128, Additional Security Measures: Spraying of the base perimeter with weed killer was begun during this reporting period after permission was received from U.S. and Thai Air Force agencies. At the close of the reporting period the project was 33 per cent completed. Since spraying during the rainy season was useless, completion date for the project was unknown.

8th Tactical Fighter Wing April through June 1970 history, Volume 3 (AFHRA Call Number K-WG-8-HI, Apr-Jun 1970, V. 3, IRIS Number 447637):

History of the 8th Security Police Squadron, Apr-Jun 1970:

Chronology: 22 June Spraying of herbicide along the perimeter commenced.

Page 10, Special Projects: On 1 June 1970, a request was submitted through Air Force and Thai agencies for permission to use a herbicide at this installation to control vegetation along the perimeter. On 22 June 1970, approval was granted and spraying of the fence line commenced. The project is approximately 33% completed, however, with present weather conditions (monsoon), completion date is unknown.

[NOTE: This is the first mention in Ubon’s history that herbicides were used for vegetation control along the Perimeter Fence. It is therefore logical to assume that no herbicides were used at Ubon RTAFB prior to 22 June 1970.]

388th Tactical Fighter Wing, April through June 1970, Volume 3, history (AFHRA Call Number K-WG-388-HI, Apr-Jun 1970, V. 3, IRIS Number 457290):

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Supporting Document 358, Letter, Major Richard Geisler, Director of Security Police, Office of Inspector General, Headquarters Thirteenth Air Force (IGS), to 8 Cmbt Spt Gp (BSP); 56 Cmbt Spt Gp (BSP), 355 Cmbt Spt Gp (BSP), 388 Cmbt Spt Gp (BSP), 432 Cmbt Spt Gp (BSP), 631 Cmbt Spt Gp (BSP), and 635 Cmbt Spt Gp (BSP), “Vegetation Control,” 15 Jun 1970:

Department of the Air Force Headquarters Thirteenth Air Force (PACAF) APO SAN FRANCISCO 96274 15 Jun 1970 REPLY TO ATTN OF: IGS

SUBJECT: Vegetation Control

TO: 8 Cmbt Spt Gp (BSP) 432 Cmbt Spt Gp (BSP) 56 Cmbt Spt Gp (BSP) 631 Cmbt Spt Gp (BSP) 355 Cmbt Spt Gp (BSP) 635 Cmbt Spt Gp (BSP) 388 Cmbt Spt Gp (BSP)

1. The attached correspondence is forwarded for your information and appropriate action.

2. The USAF Inspector General has expressed concern over attacks on bases in Thailand during which the enemy used the foliage cover bordering the bases to their advantage and has directed that emphasis be placed on the clearing and control of vegetation.

3. Although the maintenance and control of vegetation in and around the base is the responsibility of Base Civil Engineers, continuous emphasis must be given this program by the Chief of Security Police. When necessary, viz, to provide clear fields of fire, observation of approaches to resource areas, etc., consideration must be given to self-help programs as the only practical expedient. After all, our security force personnel lives are at stake as well as adversely affecting base defense operations. Therefore, vegetation must be controlled to assure that surveillance of the fence line and surrounding areas is not impeded.

4. This subject will continue to be an item of special interest during staff visits and general inspections.

FOR THE COMMANDER

RICHARD E. GIESLER, Maj, USAF 1 Atch Director of Security Police PACAF (IGSS) (C) Ltr, Office of Inspector General subj as above, 18 May 70, w/2 Atch n/c

Cy to: 7/13AF (BSP)

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8th Tactical Fighter Wing July through September 1970 history, Volume 1 (AFHRA Call Number K-WG-8-HI, Jul-Sep 1972, V. 1, IRIS Number 447638):

Page 91, Facilities: Work on the base perimeter road, perimeter security lighting and additional security lighting at the off-base ammunition area progressed slowly during this period, due primarily to adverse weather conditions.

Page 98: A tower sentry on the southeast perimeter reported that he observed two individuals at the outer fence line on 23 September 70. The Thai Police were notified and upon arrival requested illumination to search the area. Two barrel flares were activated, however, the subsequent search of the area met with negative results. On the following day this same area was searched closely and evidence was found that indicated two or more individuals had been lying in the tall grass between the fence lines.

Page 100, Security: Special Projects: A new perimeter road was completed during the quarter, however, because of a shortage of special equipment, the perimeter lighting project, which was started in the previous reporting period and was scheduled to be completed during the Jul-Sep 70 period, was slipped to the Oct-Nov 70 quarter for completion.

[NOTE: No herbicides mentioned. It appears that physical barriers and lighting was still the preferred way to secure the perimeter. The fact that “tall grass between the fence lines” is noted in a security report supports the lack of herbicide use, or vegetation control at any level, was taking place at this time on the perimeter fence area.]

8th Tactical Fighter Wing July through September 1970 history, Volume 3 (AFHRA Call Number K-WG-8-HI, Jul-Sep 1972, V. 3, IRIS Number 447640):

8th Security Police Squadron Historical Data Report, Jul-Sep 1970:

Page 5, Intelligence: On 24 Sep 70, upon checking the area at guard tower D-35, the Intelligence Section found evidence that two or more individuals had been lying in the tall grass between the fence lines.

Page 10, Special Projects: Because of the shortage of special equipment, the perimeter lighting project, which was started last quarter, will have a new expected completion date sometime in the next quarter.

The new perimeter road has been completed except for the sodding of the road banks.

Clearing 100 feet around Fox area was started this quarter with an expected completion date sometime in the next quarter.

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8th Civil Engineering Squadron Historical Data Report, Jul-Sep 1970:

Page 2, Engineering and Construction Branch: In the MCP project area there are (3) three projects under construction at present. These projects consist of construction of base perimeter road, base perimeter security lighting and additional security lighting at the off-base ammo area.

Page 7, Roads and Grounds Section: The Roads and Grounds Section had extremely productive first quarter. The Grounds section cut 900 acres of grass each month, rip-rapped 4,200 sq. ft. of storm drainage ditches, filled low spots around flight line areas, and assisted the Pavements section in erecting 468 linear feet of Republic revetments to be utilized as a bomb holding area in the F-4 reveted area. The Heavy Equipment Section cleared 40,000 sq. ft. of heavy foliage at the off base bomb storage area, and supported the Grounds and Pavements Section as required.

[NOTE: It appears that any vegetation control at Ubon consists of cutting and the use of heavy equipment for mass clearing. Herbicide use is not mention or insinuated at all.]

8th Tactical Fighter Wing October through December 1970 history, Volume 1 (AFHRA Call Number K-WG-8-HI, Oct-Dec 1970, V. 1, IRIS Number 447641):

Page 130, Facilities, Civil Engineering: There were three military construction programs (MCP) completed during this quarter, consisting of airfield pavement, the security lighting package, and the base perimeter road project.

[NOTE: No mention of any herbicide use.]

8th Tactical Fighter Wing October through December 1970 history, Volume 3 (AFHRA Call Number K-WG-8-HI, Oct-Dec 1970, V. 3, IRIS Number 447643):

8th Security Police Squadron Historical Data Report, Oct-Dec 1970:

Page 13, Special Projects: The dense foliage in Alpha Sector was cleared. Also, this area was leveled to enhance the detection capabilities by security pe4rsonnel and to facilitate effective and timely responses by security Alert Teams, Quick Reaction Teams, etc., to the Alpha Sector.

Page 14: The clearing of a 100 foot area round the off base bomb dump (Fox Sector), mentioned in the last quarter report, has not been completed. This project is expected to be completed during the next quarter.

The perimeter lighting, mentioned in the last report, was completed and is now being used. This is a very effective system in assisting security personnel in detecting personnel on the perimeter.

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[NOTE: The reliance on physical barriers (bunkers and fencing), and lighting appears to be the main thrust in providing security for the base. No hint of herbicide use is found in this history. Instead, the terms cleared and leveling is used, which suggests heavy machinery was used to get rid of any foliage.]

8th Civil Engineering Squadron Historical Data Report, Oct-Dec 1970:

Page 3: There were three (3) MCP projects completed during this period, consisting of the Airfield Pavement, the Security Lighting Package and the base Perimeter road.

[NOTE: No mention is made of any use of herbicides.]

8th Tactical Fighter Wing January through March 1971 history, Volume 1 (AFHRA Call Number K-WG-8-HI, Jan-Mar 1971, V. 1, IRIS Number 447644):

[NOTE: No mention of any herbicide use or vegetation control.]

8th Tactical Fighter Wing January through March 1971 history, Volume 3, Part 2 (AFHRA Call Number K-WG-8-HI, Jan-Mar 1971, V. 3, Pt 2, IRIS Number 447647):

8th Security Police Squadron Historical Data Report, Jan-Mar 1971:

Page 15, Special Projects: The foliage between, and within, the base perimeter fencing was burned to provide greater detection capabilities. This controlled burning was conducted under the supervision of the Base Fire Department and entailed almost nine miles of the base perimeter.

Page 16: The clearing and filling-in of the swamp area, in Alpha Sector, was completed during this quarter. Also, the project of clearing and leveling the area between the outer concertina wire and the inner double apron fence in Alpha Sector was completed this quarter.

[NOTE: As can be seen from the above, burning was the primary choice of vegetation control, followed by heavy equipment clearing. No hint of herbicide use in this squadron history; however, see below in the 8th Civil Engineering Squadron’s historical report for the same period.]

8th Civil Engineering Squadron Historical Data Report, Jan-Mar 1971:

Page 3, Operations and Maintenance Branch: Also, during January, …The grounds section completed a very important herbiciding job which consisted of chemical application under the entire base perimeter fences.

[NOTE: This is the second (and last) mention of herbicide use at the perimeter fence at Ubon since the June 1970 entry, which noted spraying had been

205 stopped due to the rainy weather. It appears that it was started again in this reporting period, since the January through March 1971 period was the dry season in Thailand.]

Base Comptroller Office Historical Data Report, Jan-Mar 1971: Page 3, Narrative: The Third Quarter of FY 71 is the dry season in Thailand and flying missions, aircraft maintenance and computer utilization increase proportionately.

[NOTE: No mention of herbicide expenditures is made in this history.]

Base Procurement Office Historical Data Report, Jan-Mar 1971:

[NOTE: No mention of herbicide procurement.]

8th Tactical Fighter Wing April through June 1971 history, Volume 1 (AFHRA Call Number K-WG-8-HI, Apr-Jun 1971, V. 1, IRIS Number 447648):

[NOTE: No mention of vegetation control or herbicides in this volume.]

8th Tactical Fighter Wing April through June 1971 history, Volume 3, Part 2 (AFHRA Call Number K-WG-8-HI, Apr-Jun 1971, V. 3, Pt 2, IRIS Number 447651):

8th Civil Engineering Squadron Historical Data Report, Apr-Jun 1971:

Page 4, Operations and Maintenance Branch: In addition, the Roads and Grounds Shop managed to keep the grass cut and the base policed to the satisfaction of the many important visitors that often came to Ubon to visit the 8 TFW.

[NOTE: The grass cutting mentioned above probably concerned interior grassy areas and not the perimeter fence vegetation.]

8th Security Police Squadron Historical Data Report, Apr-Jun 1971:

[NOTE: No mention of any herbicide use. This may be due to the rainy season.]

Base Comptroller Office Historical Data Report, Apr-Jun 1971:

[NOTE: No mention of any expenditures on herbicides or vegetation control.]

Base Procurement Office Historical Data Report, Apr-Jun 1971:

Page 1: The primary purchasing responsibility for all Untied States Air Force Bases in Thailand will be transferred to the Thailand Procurement Center, Bangkok. The Center will become operational on 1 July 1971. The workload of these various bases will be phased into the Center on an incremental basis. Ubon will begin phasing into the Center on 1 July 19071. This does not mean that our office will

206 cease to operate but our activity and authority will be reduced considerably as will our personnel manning.

[NOTE: Chances of having details about contracts, such as vegetation control, will become nil after this report. No mention of any vegetation control contracts in this report.]

8th Tactical Fighter Wing July through September 1971 history, Volume 1 (AFHRA Call Number K-WG-8-HI, Jul-Sep 1971, V. 1, IRIS Number 447652):

[NOTE: No mention of vegetation control or herbicides in this volume of the history.]

8th Tactical Fighter Wing July through September 1971 history, Volume 3, Part 2 (AFHRA Call Number K-WG-8-HI, Jul-Sep 1971, V. 3, Pt 2, IRIS Number 447655):

8th Civil Engineering Squadron Historical Data Report, Jul-Sep 1971:

[NOTE: No mention of vegetation control, perimeter fence issues, or herbicide; however, on page 1, the Programs Branch does note that construction time was lost due to monsoon rains. Since herbicide spraying was useless during periods of heavy rains, it is not surprising that herbicides were not used at this time of the year.]

8th Security Police Squadron Historical Data Report, Jul-Sep 1971:

Page 9, Utility Section: The grass around all towers and bunkers was cut five times.

[NOTE: Cutting was the preferred method of vegetation control, especially during the monsoon rainy season.]

Base Comptroller Office Historical Data Report, Jul-Sep 1971:

[NOTE: No mention of any expenditures on herbicides or vegetation control.]

Base Procurement Office Historical Data Report, Jul-Sep 1971:

[NOTE: No mention of any procurement of herbicides.]

8th Tactical Fighter Wing October through December 1971 history, Volume 1 (AFHRA Call Number K-WG-8-HI, Oct-Dec 1971, V. 1, IRIS Number 901505):

[NOTE: No mention of any vegetation control or herbicide use in this volume of the history.]

8th Tactical Fighter Wing October through December 1971 history, Volume 3, Part 2 (AFHRA Call Number K-WG-8-HI, Oct-Dec 1971, V. 3, Pt 2, IRIS Number 901508):

207

8th Civil Engineering Squadron Historical Data Report, Oct-Dec 1971:

[NOTE: No mention of any vegetation control or herbicide use.]

8th Security Police Squadron Historical Data Report, Oct-Dec 1971:

[NOTE: No mention of any vegetation control or herbicide use.]

Base Comptroller Office Historical Data Report, Oct-Dec 1971:

[NOTE: No mention of any expenditures on herbicides or vegetation control.]

8th Tactical Fighter Wing January through March 1972 history, Volume 3 (AFHRA Call Number K-WG-8-HI, Jan-Mar 1972, V. 3, IRIS Number 901512):

History of the 8th Security Police Squadron, Jan-Mar 1972:

Page 20, Utility Section: The Utilities Section continues to support the mission of the 8th Security Police Squadron by accomplishing the following projects during the last quarter:

Burn grass from perimeter fence on base and at Fox Sector.

[NOTE: Apparently, vegetation control at Ubon’s perimeter fence, which had used herbicides in June 1970, and in the January through March 1971 period, was now only conducted by burning.]

8th Tactical Fighter Wing April through June 1972 history, Volume 3 (AFHRA Call Number K-WG-8-HI, Apr-Jun 1972, V. 3, IRIS Number 901515):

History of the 8th Security Police Squadron, Apr-Jun 1972:

Page 10, Utility Section: Burned grass along the base perimeter fence in all sectors and replaced all expended trip flares.

[NOTE: Apparently, vegetation control at Ubon’s perimeter fence, which had used herbicides starting in June 1970, and in the January through March 1971 period, was now conducted by burning.]

History of the 408th Munitions Maintenance Squadron, Apr-Jun 1972:

Page 22, Trailer Maintenance-Maintenance Section: To reduce the number of flat tires, tow magnetic sweepers were made during this quarter. Materials utilized were salvaged magnetrons from the 8th Avionics Maintenance Squadron and miscellaneous trailer parts. See photo, below:

208

Magnetic Sweeper of the 408th Munitions Maintenance Squadron, April-June 1972.

[NOTE: The above information about the magnetic sweeper is not really germane to the use of herbicides at Ubon RTAFB in 1972; however, please note that in the background is the perimeter fence surrounding the munitions area. Below is a magnification of that part of the photo:

209

This magnified view of the photo clearly shows how close the perimeter fence was to the munitions area of Ubon, and how it had two types of fences. The first was concertina wire with a cleared space, with the taller chain link fencing posts, topped with barbed wire, visible in this photo. Note that the workers, who had been washing their equipment, used the concertina wire fence to hang their work overalls over to dry. Also note the heavy vegetation close up to the chain link fence.]

8th Tactical Fighter Wing July through September 1972 history, Volume 3 (AFHRA Call Number K-WG-8-HI, Jul-Sep 1972, V. 3, IRIS Number 901519):

History of the 8th Security Police Squadron, Jul-Sep 1972:

Page 9, Utility Section: Burned grass along the base perimeter fence in all sectors and replaced all expended trip flares.

[NOTE: Apparently, vegetation control at Ubon’s perimeter fence, which had used herbicides starting in June 1970, and in the January through March 1971 period, was now conducted by burning.]

210

8th Tactical Fighter Wing 1 October through 31 December 1972 history, Volume 4 (AFHRA Call Number K-WG-8-HI, Oct-Dec 1972, V. 4, IRIS Number 901523):

History of the 8th Security Police Squadron, Oct-Dec 1972:

Page 10, Utility Section: The Utilities Section continues to support the mission of the 89th Security Police Squadron by accomplishing the following projects during the last quarter: Construction of three miles of fence line on the base perimeter and standoff fences around bunkers.

Burned grass and cleared underbrush along the perimeter fence lines in all sectors.

[NOTE: Apparently, vegetation control at Ubon’s perimeter fence, which had used herbicides starting in June 1970, and in the January through March 1971 period, was now conducted by burning.]

Ubon Royal Thai Air Force Base, 1972. Little changed since 1968, some trees still near the sewage treatment lake, upper center.

8th Tactical Fighter Wing 1 January through 31 March 1973 history, Volume 4 (AFHRA Call Number K-WG-8-HI, Jan-Mar 1973, V. 4, IRIS Number 901528):

211

History of the 8th Civil Engineering Squadron, Jan-Mar 1973:

Page 10, Contract Monitor Section: Exhibits were prepared for vegetation control, septic tank pumping, custodial services and submitted to Procurement under the new Thailand wide S.O.W. [statement of work].

[NOTE: It appears that vegetation control was scheduled to be contracted out to local Thai business entities.]

History of the 8th Security Police Squadron, Jan-Mar 1973:

[NOTE: In this edition of the 8th Security Police Squadron history, there is no mention of any vegetation control efforts.]

8th Tactical Fighter Wing 1 April through 30 June 1973 history, Volume 3, Part 1 (AFHRA Call Number K-WG-8-HI, Apr-Jun 1973, V. 3, Pt. 1, IRIS Number 901531):

History of the 8th Civil Engineering Squadron, Apr-Jun 1973:

Page 11, Contract Monitor Section: TSgt Ouellette was reassigned as NCOIC of Roads and Grounds [also known as Pavements and Grounds Section] and took the vegetation control and trash contracts to monitor from there.

[NOTE: Apparently, from this time onward vegetation control was conducted not by USAF resources, but by a Thai commercial entity.]

8th Tactical Fighter Wing 1 July through 30 September 1973 history, Volume 1 (AFHRA Call Number K-WG-8-HI, Jul-Sep 1973, V. 1, IRIS Number 901535):

[NOTE: No mention of vegetation control or herbicide use in this history.]

8th Tactical Fighter Wing 1 July through 30 September 1973 history, Volume 3, Part 2 (AFHRA Call Number K-WG-8-HI, Jul-Sep 1973, V. 3, Pt 2, IRIS Number 901538):

Historical Data Record of the 8th Security Police Squadron, Jul-Sep 1973:

Page 9, Air Base Defense: With the advent of the rainy season, vegetation control along the perimeters assumed even greater importance. A new contract negotiated by the Air Base Defense section and Military Civil Actions with local Thai nationals for off-base vegetation control was completed, thereby reducing chances for hostile forces to approach the perimeter undetected.

Historical Data Record of the Base Comptroller, Jul-Sep 1973:

212

[NOTE: No mention of vegetation control or herbicide use in this history.]

Historical Data Record of the Base Procurement Office, Jul-Sep 1973:

[NOTE: No mention of vegetation control or herbicide use in this history.]

Historical Data Record, Military Civic Action, Jul-Sep 1973:

Page 5, Other Projects: Military Civic Action monitored Vegetation Control Contracts with villagers adjacent to the base and off-base bomb dump as agent for Base Civil Engineer and Security Police.

Historical Data Record, 8th Civil Engineering Squadron, Jul-Sep 1973:

[NOTE: No mention of vegetation control or herbicide use in this history.]

8th Tactical Fighter Wing 1 October through 31 December 1973 history, Volume 1 (AFHRA Call Number K-WG-8-HI, Oct-Dec 1973, V. 1, IRIS Number 901540):

[NOTE: No mention of vegetation control or herbicide use in this history.]

8th Tactical Fighter Wing 1 October through 31 December 1973 history, Volume 3 (AFHRA Call Number K-WG-8-HI, Oct-Dec 1973, V. 3, IRIS Number 901542):

Historical Data Record of the Base Comptroller, Oct-Dec 1973:

[NOTE: No mention of vegetation control or herbicide use in this history.]

Historical Data Record of the 8th Security Police Squadron, Oct-Dec 1973:

[NOTE: No mention of vegetation control or herbicide use in this history.]

Historical Data Record, Military Civic Action, Oct-Dec 1973:

[NOTE: No mention of vegetation control or herbicide use in this history.]

Historical Data Record, 8th Civil Engineering Squadron, Oct-Dec 1973:

[NOTE: No mention of vegetation control or herbicide use in this history.]

Historical Data Record of the Base Procurement Office, Oct-Dec 1973:

[NOTE: No mention of vegetation control or herbicide use in this history.]

8th Tactical Fighter Wing 1 January through 31 March 1974 history, Volume 1 (AFHRA Call Number K-WG-8-HI, Jan-Mar 1974, V. 1, IRIS Number 1002318):

213

[NOTE: No mention of vegetation control or herbicide use in this history.]

8th Tactical Fighter Wing 1 January through 31 March 1974 history, Volume 3 (AFHRA Call Number K-WG-8-HI, Jan-Mar 1974, V. 3, IRIS Number 1002320):

Historical Data Record of the Base Procurement Office, Jan-Mar 1974:

[NOTE: No mention of vegetation control or herbicide use in this history.]

Historical Data Record of the Base Comptroller, Jan-Mar 1974:

[NOTE: No mention of vegetation control or herbicide use in this history.]

Historical Data Record, Military Civic Action, Jan-Mar 1974:

[NOTE: No mention of vegetation control or herbicide use in this history.]

Historical Data Record of the 8th Security Police Squadron, Jan-Mar 1974:

[NOTE: No mention of vegetation control or herbicide use in this history.]

Historical Data Record, 8th Civil Engineering Squadron, Jan-Mar 1974:

[NOTE: No mention of vegetation control or herbicide use in this history.]

8th Tactical Fighter Wing 1 April through 30 June 1974 history, Volume 1 (AFHRA Call Number K-WG-8-HI, Apr-Jun 1974, V. 1, IRIS Number 1001625):

Chronology: 28 June 1974 After a long period of “No comment” concerning base phasedown, the Royal Thai Government released an announcement to the press clarifying the Thailand force reductions. The press release announced that USAF activities at Ubon RTAFB would be terminated by the end of 1974.

[NOTE: No mention of vegetation control or herbicide use in this history.]

8th Tactical Fighter Wing 1 April through 30 June 1974 history, Volume 4 (AFHRA Call Number K-WG-8-HI, Apr-Jun 1974, V. 4, IRIS Number 1001628):

Historical Data Record, Military Civic Action, Apr-Jun 1974:

[NOTE: No mention of vegetation control or herbicide use in this history.]

Historical Data Record, 8th Civil Engineering Squadron, Apr-Jun 1974:

[NOTE: No mention of vegetation control or herbicide use in this history.]

214

Historical Data Record of the Base Comptroller, Apr-Jun 1974:

[NOTE: No mention of vegetation control or herbicide use in this history.]

Historical Data Record of the Base Procurement Office, Apr-Jun 1974:

Page 4, Facilities: The lease for the office compound has been terminated effective 14 September 1974.

Page 6, Accomplishments: Records dating back through 1968 were prepared for local staging or destroyed as appropriate. BPA’s [Blanket Purchase Agreement] that were considered dormant, or contributed only slightly were terminated.

[NOTE: No mention of vegetation control or herbicide use in this history.]

Historical Data Record of the 8th Security Police Squadron, Apr-Jun 1974:

[NOTE: No mention of vegetation control or herbicide use in this history.]

8th Tactical Fighter Wing 1 July through 16 September 1974 history, Volume 1 (AFHRA Call Number K-WG-8-HI, Jul-16 Sep 1974, V. 1, IRIS Number 1001629):

Chronology: 16 Sep 74 The 8th Tactical Fighter Wing was transferred without personnel or equipment from Ubon RTAFB, Thailand, to , Republic of Korea.

Page 38, Facilities: Surge Plan: The 6233rd Air Base Squadron was responsible for identifying facilities, safeguarding these facilities, and implementing surge plan requirements in the event of a future deployment.

[NOTE: No mention of vegetation control or herbicide use in this history.]

215

Ubon Royal Thai Air Force Base, August 1974, just a month prior to all operations on the base ceases.

8th Tactical Fighter Wing 1 July through 16 September 1974 history, Volume 2 (AFHRA Call Number K-WG-8-HI, Jul-16 Sep 1974, V. 2, IRIS Number 1001630): Historical Data Record of the 8th Security Police Squadron, Jul-15 Sep 1974:

216

[NOTE: No mention of vegetation control or herbicide use in this history.]

Historical Data Record, Military Civic Action, Jul-16 Sep 1974:

[NOTE: No mention of vegetation control or herbicide use in this history.]

Historical Data Record of the Base Comptroller, Jul-Aug 1974:

[NOTE: No mention of vegetation control or herbicide use in this history.]

Historical Data Record of the Base Procurement Office, Jul-16 Sep 1974:

Page 4, Facilities: The Base Procurement Office moved from 52/6 Chayangkul Road after over eight years at that location. The new location is centrally located on base, in the North Wing of the Base Hospital. The assigned spac3e has the flexibility of full operation in August, phasing down to “stand by” liaison duty in November.

[NOTE: With the draw-down of the base to a stand-by status, the responsibility of base defense goes to the Royal Thai Air Force, which would include perimeter fence vegetation control. The USAF skeleton crew left behind at Ubon are only there to make sure that if USAF forces wish to utilize Ubon as a base of flying operations, that the facilities could be quickly made ready for such an event.]

6233rd Air Base Squadron, 16 September through 31 December 1974 (AFHRA Call Number K-SQ-AB-6233-HI, 16 Sep-31 Dec 1974, IRIS Number 1005701):

Page 64, Civil Engineering Branch: The Contract Monitoring Section is tasked with the responsibility of quality control and performance evolution of the contracts for Sewage Services, Custodial Services, Vegetation Control, Butane Gas Delivery, Base Clean-up, Intrusion Alarms, and Waste Removal.

On 1 Nov 74 the Civil Engineering Shops (Carpenter, Sheet Metal, Plumbing, Electrical, Barriers, Roads & Grounds, and Paint Shop) were placed under contract with Trans-Asia Corp. This was done so that the military work force could be reduced, and normal construction and repairs could be accomplished right up to Base Closure.

[NOTE: It would appear that the vegetation control contract mentioned above would be for on-base mowing, shrub and tree care, not perimeter fence security issues, since the RTAF was now responsible for that aspect of base defense.]

Page 80, Security Police Branch: The emphasis during this period changed from primarily being concerned with air base defense, to a law enforcement/resources protection posture.

217

[NOTE: No mention of vegetation control or herbicide use in this history, which is not surprising as the main focus of US forces at Ubon was to shut the base down and let the Thai government take care of base defense.]

6233rd Air Base Squadron, January through March 1975 (AFHRA Call Number K-SQ-AB-6233-HI, Jan-Mar 1975, IRIS Number 1006561):

Page 44, Base Procurement Office: It was determined by this office that it would be impracticable, based on our status here at Ubon, to initiate action to award sixteen formal contracts for FY 76. If contracts were awarded for FY 76 and the base closure two or three months thereafter, the termination cost would be enormous. Coordination was made with both the Commander and the PACAF Procurement Center on this matter. The solution decided upon, if Ubon will remain open beyond 30 Jun 75, was to have monthly contractual requirements forwarded to the center with at least thirty days lead time on all of the requisitions. All functional area managers and contract monitors were informed of the decision. If it is anticipated that Ubon will remain open beyond 30 Jun 75, the requisitions are to be submitted to this office no later than 20 May 75.

Page 67, Civil Engineering Branch: Due to the phase down of base facilities, it became necessary to review all service contracts fo4r possible modifications. The vegetation control (Contract Number F62272-73-C-0160) and custodial service contracts (Contract Number F62272-73-C-0151) were modified due to decreased areas of responsibilities for a combined savings of $1,672.76. The base clean-up contract (Contract Number F62272-C-0143) was terminated and the responsibility taken up by the Civil Engineering Roads and Grounds Section for a savings for this quarter of $214.00.

[NOTE: as can be seen above, the vegetation control contract was for grass mowing, tree and bush trimming, etc. for the living areas on base, as the living areas shrank in relation of where the USAF forces were now living and working. The perimeter fence area was the responsibility of the Royal Thai Air Force who had control over air base defense.]

Page 90, Security Police Branch: The turnover of buildings to the Royal Thai Air Force relieved the Security Police of the responsibility of providing building security checks to many portions of the base. This provided some relief in manning, and increased the effectiveness of law enforcement patrols because they had small areas to patrol.

[NOTE: As can be seen from the above, the security police no longer patrolled the base perimeter, instead, they concentrated on resource protection in the ever-shrinking area where USAF forces were working/living on the base.]

6233rd Air Base Squadron, April through June 1975 (AFHRA Call Number K- SQ-AB-6233-HI, Apr-Jun 1975, IRIS Number 1006674):

[NOTE: Final History.]

218

Chronology: 24 June 1975 Vegetation Control Contract (F62272-73-C-0160) closed out.

28 June 1975 Commander, 6233d ABS, and last contingent of USAF personnel depart Ubon.

30 June 1975 6233d ABS inactivated.

Page 113, Epilogue: On 26 June 1975, United States military operations on Ubon Royal Thai Air Force Base were terminated. The closure ceremony conducted at the flag pole area adjacent to the “Little Pentagon” (building 323), which served as the headquarters of the base for many years. At approximately 1000 hours the ceremony ended with the lowering of the American colors and presentation to Brigadier General Walter H. Baxter, III, Commander, 13th ADVON. Approximately 200 personnel participated in the ceremony or were in attendance as spectators.

[NOTE: No mention of vegetation control or herbicide use in this history, which is not surprising as the main focus of US forces at Ubon was to shut the base down and let the Thai government take care of base defense.]

Thirteenth Air Force, July 1974 through June 1975, Volume 3 (AFHRA Call Number K-K750.01, Jul 1974-Jun 1975, V. 3, IRIS Number 1017260):

Page 1078: Chronology: Apr 25 1975 The 6233 ABS Civil Engineer notified the PACAF Procurement Center/Bangkok, “Assuming the date specified in page 1, paragraph 3b of referenced Programmed Action Directive (PAD) remains firm. Request termination of services at Ubon as follows:

A. F62272-73-C-0160, Vegetation on 15 June 1975. Page 1081: Apr 28 1975 In regard to a 6233 ABS request to terminate contracts at Ubon, the 13AF DCS/Civil Engineering, “On-going events in SEA and lack of PAD implementation directive from higher authority indicate that 30 June closure date will slip. Suggest that curtailment of services outlined in your message be tied to a “Y- date” (e.g. terminate vegetation control at control at Y-15) thereby allowing flexibility if closure date should slip.”

[NOTE: Thirteenth Air Force’s caution was heeded by the 6233rd Air Base Squadron, as the base did not end the vegetation control contact on 15 June 1975 as planned, but instead, when it was clear that Ubon would be closed 30 June 1975, ended the vegetation control contract on 24 June 1975, six days before the base closed.]

219

Page 73, Udorn RTAFB: Udorn City abutted a large area of the base, creating detection problems. A long section of the perimeter was shared with commercial airlines, specifically, Air America and Continental Airways. The POL area was in a corner of the base next to the town. Several of the fuel storage tanks were less than 100 feet from civilian housing. The MMS areas, both off-base, were very small and venerable to attack.

[NOTE: Starting in July 1964, the Thai government started allowing small detachments of USAF units to remain at Udorn RTAFB, but did not authorize any organization larger than a detachment. During these days the 35th Tactical Control Group (located at Don Muang Air Base, Bangkok), through its Detachment 2, and later the 333rd Air Base Squadron, handled Udorn base issues on behalf of the USAF. In July 1965 the Thais allowed the activation of the 6232nd Combat Support Group (a subordinate unit to the 6234th Tactical Fighter Wing). At the same time, also under the 6234th Tactical Fighter Wing, the 6233rd Combat Support Group was also located at Udorn, but it is unknown what specific part that unit played in the housekeeping duties of the base. The 6232nd Combat Support Group, the host unit in charge of base facilities and security, was inactivated on 7 April 1966 and replaced by the 630th Combat Support Group, which, in turn, was inactivated on 8 September 1966 and replaced by the 432nd Combat Support Group, a subordinate unit of the 432nd Tactical Reconnaissance Wing. The 432nd Tactical Reconnaissance Wing, the unit which submitted an official history that also includes the historical data reports of the 432nd Combat Support Group, also contains the historical data reports of the, by then, inactivated 630th Combat Support Group and its subordinate histories. At that time there was no perimeter fencing around the base, so the security police did what they could to enhance security, as can be seen below. The lack of documentation prior to 18 September 1966 is accusingly highlighted by the 630th Support Squadron commander, who was responsible for base security and facilities, in an assessment covering the 1 January through 18 September 1966 time period, he wrote:

“This unit was known as the 6232nd Support Squadron of the 6232nd Combat Support Group on 1 January 1966. In Mach the numerical designation of both changed to 630. Included in the Support Squadron were the Dispensary, Transportation, Air Police, Food Services and the Group elements – Personnel, Finance, Procurement, Legal, Chaplain, CAS.

Few records were maintained and there was a lack of firm, hard policy; no one was giving direction in the Squadron. This seems to have been as a result of confusion over lines of authority and responsibility and unwillingness to take the initiative. Had the Section Commander been allowed to command without interference, and with more cooperation, the unit would have operated more efficiently.

If the Squadron Commander had been better informed about the expanding of the base and the reorganization of units, perhaps he could have better prepared for them. Then such simple, but overlooked or neglected, matters as Files Disposition, BEMEO Accounts and Barrack Utilization could have been prepared for in advance.

The basic problem seems to have been uniformed leadership, which caused weak and indecisive leading.”

220

Be that as it may, it is obvious from what records that do survive show a bare base that was scrambling to become functional, and concerns about vegetation, since there was no perimeter fence, had not arisen. The first 432nd Tactical Reconnaissance Wing history, which contains 630th Combat Support Group historical reports, makes this clear, below.]

[NOTE: Udorn Royal Thai Air Force Base is functionally and physically separated into two divisions: the operational or industrial side of the south side of the 10,000 foot runway and the cantonment or support side on the north side of the runway. The operational area continued to be jointly shared by both the USAF and the Royal Thai Air Force units.

Located some 250 miles northeast of Bangkok and 40 miles south of Vientiane, Laos, the base is the northernmost major installation in Southeast Asia. Originally constructed by the Japanese using forced Thai labor in 1942, the base’s present runway was constructed in 1957 and Air America began its operations here in 1961. The first military units which flew the F-101 and A-4 aircraft were brought in during the 1962 response to the political situation in Laos. RF-101 aircraft were moved in following the Gulf of Tonkin incident in 1964 while F-104, F-102 and RF- 4C aircraft arrived in 1966 whe4n the 432D TRW was activated at Udorn. A Royal Thai Air Force facility, the base is commanded by a Royal Thai Air Force Lieutenant Colonel, who also served as commander of the RTAF’s 223rd Tactical Fighter Squadron; flying T-28 Trojans.

Located on the alluvial plain known as the Korat Plateau, the countryside surrounding the base is generally flat farmland and rice paddies, with low hills to the southwest. Due to the flat nature of the area, flooding is common during the monsoon season, which extends from June through October. The climate is generally hot and humid, except for a brief cool season during December and January.—Page 81 of the 432nd Tactical Reconnaissance Wing History for the January through March 1974 period, Volume 1 (AFHRA Call Number K-WG-432-HI, Jan-Mar 1974, V. 1, IRIS Number 1000035).]

Udorn RTAFB:

[NOTE: Before the 432nd Tactical Reconnaissance Wing took over as the host unit of Udorn, the 333rd Air Base Squadron acted as the host unit at Udorn. The 333rd Air Base Squadron histories were submitted to the AFHRA as supporting documents to the 35th Tactical Group histories.]

Det #2, 35th Tactical Control Group, Jul -17 Oct 1964 333rd Air Base Squadron, 18 Oct 1964-July 1965 6232nd Combat Support Group, July 1965-7 April 1966 630th Combat Support Group, 8 Apr-8 September 1966 432nd Combat Support Group, 8 Sep 1966-15 Mar 1976 CLOSED, 16 Mar 1976

35th Tactical Group, 1 July through 31 December 1964, Volume 3 (AFHRA Call Number K-GP-35-HI, Jul-Dec 1964, V. 3, IRIS Number 435561):

Historical Data Record, 333rd Air Base Squadron, Jul-Dec 1964:

Page 2, History Background: Air Force activity, of one sort or another, has been at Udorn AB for several years. However, Det 2, 35th TAC Gp was established in the last days of July for the purpose of providing support to Det 6, 1ACW, Command Reporting Post (CRP)

221 of 35th TAC Gp, Air Support Operations Center (ASOC) of 2nd Air Division and units of 1st Mobile Communications Group. Existing facilities were re-habbed by U.S. Naval “Sea Bees” and Air Force Civil Engineers assigned to Det 2.

By 1 August the Dining Hall was open and sufficient work and billeting areas completed to provide a self-contained and operating USAF base. On 18 Oct 1964, the 333rd ABSq was activated, replacing the original unit, Det 2, 35th TAC Gp.

Page 3, Civil Engineering: In August the Civil Engineers aided the U.S. Navy “Sea Bee” forces in re-habbing the living quarters. These quarters dated from World War II and were originally of Japanese construction. Since the rainy season is from April through September, drainage and transportation remained a grave problem. Roads were graded and the health hazard from open latrines was combatted.

Conferences were held in Bangkok in August and work was started on letting contracts for a new, permanent cantonment area.

Page 6, Air Police: Air Police personnel arrived at Udorn during the latter part of July to the first of August from permanent assignments covering all of PacAF. The first arrivals were for a sixty-day period and were replaced in September by 120 TDY personnel, who were primarily from ZI [zone of interior—U.S.] bases.

Thai-US agreements existing when Det 2 was activated, levy the responsibility for security of USAF equipment on the Royal Thai Air Force. Under this agreement, USAF Air Police are primarily charged with coordinating investigations of incidents involving Air Force personnel (vehicle accidents, conduct on/off base, etc.); however, due to the limited number of RTAF guard personnel available at Udorn, the Air Police have established certain security posts to give added security to the base. These include, gate guard, compound patrol, and roving flight-line patrol. The latter was started during Dec 1964, while the former was established soon after arrival of the first personnel in Aug 1964.

222

Udorn Royal Thai Air Force Base, USAF Living Area, late 1964. Located next to a major highway and rice patties (bottom of photo), the taxiways and runway is at the top of the photo.

35th Tactical Group, 1 January through 30 June 1965 (AFHRA Call Number K-GP-35-HI, Jan-Jun 1965, IRIS Number 435562):

Page 1, Mission: To assist the RTAF in the training of personnel of the Royal Thai Air Force. To support USAF units and detachments located in Thailand, which are assigned or attached to the 2nd Air Division. To exercise operational control or command, as directed by competent authority, over those USAF units and detachments located in Thailand in support of the 2nd Air Division.

Subordinate Units: 333rd Air Base Squadron, Udorn AB, Thailand.

[NOTE: A number of unit changes occurs between July 1965 and January 1966. The USAF Worldwide Directory shows the following being at Udorn during this time period: 6232nd and 6233rd Combat Support Groups, Jul 1965-Jan 1966 630th Combat Support Group, Jan-7 Apr 1966 432nd Combat Support Group, 8 Apr 1966-15 Mar 1976

223

Yet, the 432nd Tactical Reconnaissance Wing’s Jan-18 Sep 1966 history contains the 630th Combat Support Group’s unit historical data record for the early 1966 time period. With this one exception, the other units listed above did not submit any histories to the AFHRA and therefore the July through December 1965 period is undocumented. It is the 630th Combat Support Group historical data records that provides the sole source of information between January and September 1966 (see the introduction to Udorn, above), and it does not show any use of herbicides on Udorn.]

432nd Tactical Reconnaissance Wing, 1 January through 18 September 1966 (AFHRA Call Number K-WG-432-HI, Jan-18 Sep 1966, IRIS Number 457835):

432nd Air Police Squadron Historical Data Record, 8 April through 18 September 1966:

Page 2: In addition to the normal day to day Security functions of the Air Police Section [This was before the activation of the 432nd Air Police Squadron. The function of security was performed by Air Policemen of the Security Section of the 630th Support Squadron, 630th Combat Support Group], the section had to assume the additional requirements levied on it to survey and establish locations for the construction of field fortifications, defensive bunkers, personnel bunkers, placement of concertina wire and laying of trip flare fields.

Page 3, Comments by Unit Commander: 4. Base Beautification takes precedence over Regulation Security Standards, i.e. concertina wire removed when no adequate perimeter fencing is available.

630th Munitions Maintenance Squadron Historical Data Record, 8 Nov 1965 through 18 Sep 1966:

Page 2: On 8 November 1965 the 6332nd Munitions Maintenance Squadron was activated at Udorn RTAFB, Thailand, as a unit of the 6232nd Combat Support Group. At the time the base was just emerging from a bare-base operation and there were few permanent buildings and facilities. The Squadron designation changed to 630th MMS in April 1966.

Most of the facilities now in use were constructed in the first half of calendar year 1966. The ammunition storage area was essentially jungle and was cleared and leveled in January and February. [At the moment,] Security consists of a 5 foot high line of concertina wire around the main storage area.

Page 4: This area is surrounded by concertina wire and is unlighted at night. Frequent thefts of brass, napalm bomb components, and live 20MM rounds have occurred. Air Police guards have been increased throughout the area but the security responsibilities are shared jointly with the RTAF and the thefts continue. A security fence and permanent lighting were requested in January [1966] but have not been installed.

224

[NOTE: It is obvious from the above that herbicides were not used at this time, as bulldozing the jungle appears to have been the preferred method.]

432nd Tactical Reconnaissance Wing, 18 September through 31 December 1966 (AFHRA Call Number K-WG-432-HI, 18 Sep-Dec 1966, IRIS Number 457836):

Historical Data Record, 432nd Munitions Maintenance Squadron, 18 Sep through 31 Dec 1966:

Page 2: The present storage site has no permanent power and lights. The existing concertina wire will have to be removed to facilities vegetation control as a fire safety precaution.

[NOTE: There is no mention of vegetation control in the main narrative of the history, either in the facilities or security portions, and there is no mention of herbicides in the one place where vegetation control is mention—in the munitions maintenance squadron history. Unfortunately, there is no civil engineering or security police squadron histories to expand upon this topic for this time period. However, it is implied that cutting seemed to be the preferred method of vegetation control, since the concertina wire had to be removed for vegetation control—herbicide use would not have required such a move. Of the construction projects mentioned in the wing history, constructing a perimeter fence is not listed and therefore is assumed that the base still was without a fence.]

432nd Tactical Reconnaissance Wing, January through June 1967, Volume 1 (AFHRA Call Number K-WG-432-HI, Jan-Jun 1967, V. 1, IRIS Number 457837):

Page 24, Facilities: In addition, a multi-million dollar airfield improvement package was funded with construction expected to begin in early September.

Page 28, Security: Theft of government and personal property increased significantly during the reporting period. Loss of theft of government property totaled $15,679.15, while $17,746.90 worth of personal property was lost or stolen.

The losses prompted a survey, completed in April, relative to security safeguards utilized by organizations and pointed out physical security requirement for Hi- Value storage areas.

In May, the Security Police Squadron implemented an anti-pilferage augmentee program. Augmentees were drawn from base personnel resources and enable regular security force to guard Hi Value storage area. In addition, 48 sentry dogs were programmed to be received by the security squadron.

[NOTE: No mention of vegetation control is noted in this history.]

225

432nd Tactical Reconnaissance Wing, January through June 1967, Volume 2 (AFHRA Call Number K-WG-432-HI, Jan-Jun 1967, V. 2, IRIS Number 457838):

Supporting Document V-1, Historical Data Record, 432nd Civil Engineering Squadron, Jan through Jun 1967:

Page 2: From a base development standpoint, our most serious problem is simply lack of adequate real estate on which to site and construct new facilities. We are scheduled to receive 50 acres in the 67SMCP, however the RTAF is not providing the real estate desired by the base and a portion of that provided, falls in an area 750 feet from the centerline of the runway which precludes construction without a waiver of airfield clearance criteria. A 67 SMCP multimillion dollar airfield improvement package is scheduled to being 1 September 1967, but partially impinges on existing RTAF parking ramp. The USAF has agreed to build supplemental ramp for the RTAF, but the location had not been resolved as of this report.

Supporting Document VI-2, Historical Data Record, 432nd Security Police Squadron, Jan through Jun 1967:

Page 2, Operational Activities: In April, due to increased loss of government property at Udorn RTAFB, the Squadron’s Investigation Section completed a comprehensive survey relative to security safeguards being utilized by the using organizations on this base to protect government property. In addition, the survey pointed out what physical security requirements (fencing, lighting, guards, etc.,) would be needed to adequately secure areas where hi-value items are being stored.

[NOTE: As can be seen from the above, concerns still centered on the physical construction of the base and its defense was relying on erecting physical barriers. There is no mention of vegetation control at this time in this history.]

432nd Tactical Reconnaissance Wing, Report of General Inspection of the 432nd Tactical Reconnaissance Wing by the Thirteenth Air Force Inspector General, 20 through 25 February 1967 (AFHRA Call Number K-WG-432-SU- RE, 20-25 Feb 1967, IRIS Number 897747):

Page M-3, Tab M, 432nd Air Police Squadron, Security Police Findings:

(12) High vegetation was in the fence line around the munitions storage area. Para 38b, AFM 207-1.

[NOTE: Although the 13th Air Force Inspector General’s team were concerned about tall grass in the munitions area, there is no mention of any vegetation problems around the perimeter fence area (where there were perimeter fences erected).]

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432nd Tactical Reconnaissance Wing, July through September 1967, Volume 1 (AFHRA Call Number K-WG-432-HI, Jul-Sep 1967, V. 1, IRIS Number 457839):

Page 20, Facilities: The shortage of adequate on-base housing remains a problem. The cause of the shortage is threefold: 1. The Thai Government desires that all American personnel live on base. 2. The real property owned by the base is small compared to the size and number of agencies supported. 3. The high cost of available real estate adjacent to the base and land acquisition negotiations, to date, have failed to produce any results.

432nd Tactical Reconnaissance Wing, July through September 1967, Volume 3 (AFHRA Call Number K-WG-432-HI, Jul-Sep 1967, V. 3, IRIS Number 1009201):

Supporting Document V-4, Blueprint, Master Plan, Development Plan, Udorn RTAFB, as of August 1966, shows only three fences for the entire base—one separating the main highway to Bangkok and Udorn cities from the base; the second fence is located separating the RTAF portion of the base from the USAF portion of the base (the RTAF portion of the base is open to the main highway); and the third is surrounding an aircraft parking spot, known as P112, off the main taxi way. Otherwise, there is no fencing noted for the base. Another map, dated 10 September 1966 notes no changes from the August 1966 map.

Supporting Document V-5, Base Data Summary lists buildings and both paved and unpaved grounds, but makes no mention of any perimeter fencing.

432nd Tactical Reconnaissance Wing, July through September 1967, Volume 3 (AFHRA Call Number K-WG-432-HI, Jul-Sep 1967, V. 3, IRIS Number 1009201):

Supporting Document VI-1, Historical Data Record, 432nd Security Police Squadron, Jul through Sep 1967:

Page 6, List of Facilities completed or under construction: [No perimeter fence is noted. Security sentry towers and bunkers are noted, but no work on fencing is noted.]

Supporting Document VI-3, Air Base Defense Study, Annex B, Udorn RTAFB:

Page B-12, Security Facilities: Fencing: The required fencing installed on the base is inadequate. The cantonment area perimeter is almost completely fenced; mostly by inadequate barbed wire. On the more important side of the base which houses the aircraft and support facilities, the power plant, Tactical Unit Operations Center (TUOC), and the supply complex, approximately 20% of the perimeter is fenced and the fence is deteriorating in several areas. No aircraft areas are fenced. All areas ate temporary and are undergoing, or will soon undergo, construction for sorely needed ramp parking spaces. The primary power plant, TUOC, Tactical Air

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Control Center (TACC) at 7/13AF Headquarters, CRC, and the radar sites on base are surrounded by chain link fencing.

Page B-13: The security personnel are so dispersed that no resource can be effectively defended from sabotage or attack. Lack of adequate fencing and lighting further weakens the system.

Page B-15, Munitions Storage Areas: The primary munitions storage area is a joint USAF/RTAF operation. This is a sub-standard, temporary facility, which is not properly designed or revetted to preclude explosive propagation. The area is located approximately 1 ½ miles southwest of the flight line and approximately one mile off-base. Storage area and access road is bordered by private property. Rice paddies are prevalent around the area and Thai Nationals reside adjacent to the perimeter. The storage area is enclosed by a seven-strand barbed wire and three roll pyramid concertina wire fence. There are no guard towers and defoliation is virtually nonexistent from the perimeter fence outward.

[NOTE: The vegetation problem is at least mention in the above.]

432nd Tactical Reconnaissance Wing, October through December 1967, Volume 1 (AFHRA Call Number K-WG-432-HI, Oct-Dec 1967, V. 1, IRIS Number 457841):

Page 23, Security: The serious lack of physical safeguards, lighting and fencing continued to make this installation a lucrative target for pilferage sabotage. Requests for fencing and lighting were often disapproved by Civil Engineering of higher headquarters.

Numerous stray dogs on base presented a problem. Although 400 dogs have been destroyed during the past quarter, the number of dogs on base continued to create health hazards.

[NOTE: No mention of vegetation control or jungle clearance programs in this history. Without a complete fence and stray dogs being a problem, vegetation control just was not a priority.]

432nd Tactical Reconnaissance Wing, October through December 1967, Volume 2 (AFHRA Call Number K-WG-432-HI, Oct-Dec 1967, V. 2, IRIS Number 457842):

432nd Civil Engineering Squadron Historical Data Record, Oct-Dec 1967: [NOTE: No mention of perimeter issues such as vegetation control, foliage removal or jungle clearance in this history.]

432nd Comptroller’s Office Historical Data Record, Oct-Dec 1967:

[NOTE: No mention of perimeter issues such as vegetation control, foliage removal or jungle clearance in this history.]

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432nd Security Police Squadron Historical Data Record, Oct-Dec 1967:

Page 2, Plans and Operations: The serious lack of physical safeguards, lighting and fencing continues to make this installation a lucrative target for pilferage and/or sabotage. Requests for fencing and lighting are often disapproved by Civil Engineering or higher headquarters. Numerous stray dogs on base continues to present a problem. Although 400 dogs have been destroyed during the past quarter the number of dogs on base continues to create health and safety hazards. Because of the large number of dogs in the surrounding community, the only permanent solution is to fence the entire base perimeter with chain link fencing.

[NOTE: As far as security was concerned, the biggest perimeter issue was the absence of a fence. Vegetation control was not even thought of at this point.]

432nd Tactical Reconnaissance Wing, January through June 1968, Volume 1 (AFHRA Call Number K-WG-432-HI, Jan-Jun 1968, V. 1, IRIS Number 457843):

Page 36, Facilities: The shortage of adequate on-base housing remains a problem. Factors are: 1. The Thai Government desires that all American personnel live on base.

2. The real property owned by the base is small compared to the size and number of agencies supported.

3. The high cost of available real estate adjacent to the base and land acquisition negotiations, to date, have failed to produce any results.

[NOTE: No perimeter issues or vegetation control or mention of the use of herbicide is found in this history. Property off base was eyed to purchase for housing, not security issues.]

432nd Tactical Reconnaissance Wing, January through June 1968, Volume 2 (AFHRA Call Number K-WG-432-HI, Jan-Jun 1968, V. 2, IRIS Number 457844):

432nd Comptroller’s Office Historical Data Record, Jan-Jun 1968:

[NOTE: No mention of any perimeter issues, vegetation control, or herbicide use.]

432nd Civil Engineering Squadron Historical Data Record, Jan-Jun 1968:

[NOTE: No mention of any perimeter issues, vegetation control, or herbicide use.]

432nd Security Police Squadron Historical Data Record, Apr-Jun 1968:

[NOTE: There was no January through March 1968 Historical Data Record submitted by the 432nd Security Police Squadron to the AFHRA.]

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Page 2, Operational Activities: The month of May found the projected opening of the new MMS area a reality. 4 posts are required for daytime manning. The Security Alert Team will cover both the new and old MMS area and the connecting road and surrounding areas. 8 new steel observation towers with special lighting will be a great aid to posted sentries. The towers are of such height that daytime guards can see all of the surrounding area very well. At night, some problems are expected as the green growth around the area causes reduced surveillance. Action programmed to clear the area out from the fence to eliminate all bushes, trees and scrub brush. New Perimeter lights on this area are also going to prove to be effective in controlling approaches to the MMS area.

[NOTE: This is for the Munitions Maintenance Squadron’s ammo dump, off to the other side of the runway, away from the main base. The vegetation control that was in the planning stages at this time does not appear to have been planned for the rest of the base circumference, due to the lack of a fence.]

Page 3: The plans as they exist at the present time do not meet security police requirements and will require changes. Guard towers of the flight line perimeter are in the planning stages. Present plans indicate that Red Horse construction are able to build 20 foot wooden towers and these will not meet requirements. Steel towers are necessary. Further coordination and planning will be necessary to resolve these matters. Perimeter fence requirements still have not been met. To fence the entire perimeter of the base, the access roads leading to and from Udonthani via the Thai Security Police check points, will have to be closed off. This will deny the local citizens the use of the perimeter road on the north end of the base. Further discussion of this situation is planned shortly. I t was agreed a t this time that it is absolutely imperative that a fence be installed completely around the base perimeter and that it be accomplished as soon as possible. Accelerated action on this time is being programmed. It is hoped that the beginning of July will start the construction Portion of physical barriers. At the end of June the squadron began coordination and planning for the implementation of the new PACAF Manual 207-25, Security Police Guidance for Guerrilla/Insurgency/Limited War Environments. This new requirement will entail many hours of planning. New posting maps and priority lists must be made and all posts re-numbered. All areas will have to be identified within a sector. The squadron Training Section is gearing up to contact the training program necessary to train all personnel prior to and during the early weeks of implementation of these new requirements.

[NOTE: As can be seen from the above, the bases in Thailand were just now getting the idea that they may be in a war zone and vulnerable to ground attack. Udorn still does not have a perimeter fence and vegetation control is useless until they have the physical barriers erected to determine where such measures can be taken. The towers were viewed as the best answer, although the night time vision did mean they too had a limited use. No perimeter vegetation control is found in this history.]

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432nd Tactical Reconnaissance Wing, Report of General Inspection of the 432nd Tactical Reconnaissance Wing by the Thirteenth Air Force Inspector General, 1 through 7 February 1968 (AFHRA Call Number K-WG-432-SU-RE, 1-7 Feb 1968, IRIS Number 897748):

Page H-2, Tab H, 432nd Munitions Maintenance Squadron, Munitions Storage: The storage area was not large enough to store the amount of munitions on hand without waiver; however, a new storage area was being constructed with a BOD of June 1968. Several problems were noted in the new area which will effect fire protection and security. No provision had been made for clearing jungle from the perimeter fence which must be maintained at least 100 feet away IAW AFM 127- 100 and AFM 207-1.

[NOTE: Just like the previous inspection in February 1967, no mention of vegetation control issues for the perimeter is made, but, the munitions area caused some concern. The use of the word “clearing” denotes something more than mowing, but more extreme, such as bulldozing. This would have to be done quickly, something that herbicides do not accomplish, as well as leaving debris that would still have to be cleared away.]

432nd Tactical Reconnaissance Wing, July through September 1968, Volume 1 (AFHRA Call Number K-WG-432-HI, Jul-Sep 1968, V. 1, IRIS Number 457845):

Page 30, Security: The attack on Udorn RTAFB took place at approximately 2230 hours on 26 July 1968. A this time, a Covered Wagon was initiated when a security policeman reported that he was receiving automatic weapons fire from several positions, both from on and off base.

Following the attack on Udorn RATAFB, a survey of the base defensive posture was made by the Base Defense Ad Hoc Committee.

Page 31: During the months of August and September the SPS undertook the job of fencing the perimeter of the base. About 40 percent of the base had been enclosed with a three tier concertina wire at the end of this reporting period.

[NOTE: With the 26 July 1968 attack, Udorn took base defense very seriously and started to take actions to assist the security police, i.e. fencing but not vegetation control—see below in Volume 2.]

432nd Tactical Reconnaissance Wing, July through September 1968, Volume 2 (AFHRA Call Number K-WG-432-HI, Jul-Sep 1968, V. 2, IRIS Number 457846):

[NOTE: On 26 July 1968 Udorn RTAFB was attacked, the first time the enemy attacked a USAF base in Thailand.]

432nd Security Police and 432nd Civil Engineering Squadron Historical Data Reports contain no mention of vegetation control.

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Supporting Document 37, Combat Operations After Actions Report [for 26 July 1968 attack on Udorn RTAFB, Thailand]:

[NOTE: Under the heading of Evaluation of Overall Operations, Lessons Learned, pages 6-8, stronger perimeter defenses are noted as being needed. The suggestions were for fencing, lighting, trip flares and additional security police personnel. No mention is made for the need of vegetation control.]

Supporting Document 38, Base Defense Survey, 2 August 1968, 7/13 Air Force/DC, Major General Louis T. Seith, Deputy Commander, to 432 Cmbt Spt Grp Commander:

Page 12, Base Defense Barrier Plan, Recommendations: (a) That three tier concertina barrier be installed along all open areas around the perimeter.

(b) That fields of fire and observation be cleared of all brush, trees, grass and mounds. This is badly needed on the perimeters in Sections 5, 4, 6, and 2.

NOTE: The perimeter in sector 6 around the Thai officers and quarters and base garbage dump is wide open at the present time. Immediate action must be taken to seal off this avenue of approach.

[NOTE: as can be seen from the above, higher headquarters is certainly concerned by the lack of vegetation control. See below:]

56th Special Operations Wing, July through September 1968, Volume 3 (AFHRA Call Number K-WG-56-HI, Jul-Sep 1968, V. 3, IRIS Number 451125):

Supporting Document 67, Message, Deptuy Commander, 7/13 AF, Udorn Afld, Thailand to 8TFW, Ubon; 355TFW, Takhli; 388TFW Korat; 432TRW Udorn; 56ACW, NKP; 6310CSG, Don Muang; 6350CSG, U-Tapao; MACTHAI; 7AF, TSN; 13AF, Clark; HQ PACAF; AMEBM Bangkok, Thailand; American Counsel, Udorn, Subject: Lessons Learned From The Attack on Udorn, 26 Jul 68:

Paragraph 2: Lessons Learned. Following is a discussion of lessons learned. Conclusions are very preliminary and are forwarded without further documentation for the benefit of commanders in Thailand. a. Thai guards performed well as members of joint UJSAF/Thai Teams. It is probably well to maintain the feeling of joint responsibility. b. Lack of perimeter lighting, watch towers, inadequate fencing, weeds, and close perimeter afforded the enemy increased surprise and east of penetration. Selective construction of more bunkers would have enhanced the defense, although care required to avoid making these available to infiltrators.

[NOTE: The rest of the message deals with the need for flare ships, fire discipline, Thai guard and forces support and radio coordination. The final paragraph states:]

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Paragraph 3: Commanders will take the following steps:

A. Immediately assess availability of Thai forces to support defense of base. B. Evaluate procedures and communications for coordination of base defense during emergency and make adjustments as possible C. Review training status of USAF and Thai Guards, and initiate retraining on a scheduled basis. D. Take steps to develop a standby flare ship capability at Udorn, Ubon, NKP, and Korat. E. Review base defense plan with an eye to covering critical areas which are adjacent to the perimeter.

[NOTE: In essence, the Deputy Commander of 7/13th Air Force was ordering the base commanders in Thailand the above steps. As can be seen, vegetation or ‘weed’ control would fall under subparagraph E, above, and was the last item mentioned and perhaps considered the least forceful of the ordered steps to take.]

Thirteenth Air Force 1 July 1968 through 30 June 1969 history, Volume 1 (AFHRA Call Number K750.01, FY 1969, V. 1, IRIS Number 899069):

I-235, Base Defenses: Shortly after the 26 July 1968 insurgent attack on Udorn Air Base which damaged an F-4D and a C-141 the Deputy Commander 7/13th Air Force appointed a five member ad hoc committee to survey base defense capabilities at the seven major air bases occupied by Thirteenth Air Force. This review from 27 July through 29 August examined eight areas of interest: area defense, command control, base defense command control, equipment, manpower/training, operations/plans, barrier program, tactical support, and defensive measure responsible for external security. According to the findings the overall situation was not good.

Page I-237-238: Effective base defense operations were handicapped by personnel shortages, marginal physical security facilities, insufficient communications (no dual channel radios), and “…virtually non-existent…” vegetation control around base perimeters. Further, the perimeter fencing was “…totally unsatisfactory…” at all bases.

Page I-244: Other beneficial steps were constructing physical security aids such as bunkers, gun emplacements, erecting 368,531 linear feet of fixed fortification fencing, and defoliation of perimeter areas.

[NOTE: The supporting document used for the above, located in Volume 4 of the history as #184, notes in paragraph 6d, “Defoliation is underway and in various stages of completion.” No hint as to what is meant by “defoliation” or what type, if any, was used.]

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432nd Tactical Reconnaissance Wing, October through December 1968, Volume 1 (AFHRA Call Number K-WG-432-HI, Oct-Dec 1968, V. 1, IRIS Number 457847):

432nd Security Police Squadron Historical Data Record, Oct-Dec 1968:

[Page 3, Operational Activities: During this month [November], an additional 1,600 feet of new concertina wire was installed through contract along the south west side of the base perimeter and in the cantonment area.

[NOTE: No mention of vegetation control in this history.]

432nd Civil Engineering Squadron Historical Data Report, Oct-Dec 1968:

[NOTE: No mention of vegetation control in this history.]

432nd Combat Support Group Finance, Management Analysis, Budget and Data Automation Historical Data Record for Oct-Dec 1968:

[NOTE: No mention of vegetation control in this history.]

432nd Tactical Reconnaissance Wing, October through December 1968, Volume 2 (AFHRA Call Number K-WG-432-HI, Oct-Dec 1968, V. 2, IRIS Number 457848):

Supporting Document 202, Request for Purchase, 3 August 1968:

No. CE 8216 2002 Installation: Udorn RTAFB (PACAF) Date: 3 August 1968 To: Contracting Officer Through: BCPTB From: BCEP Purchased For: 114200 ELC 5921 MA [initials]

Description of Material Estimated Estimated Item or Services to be Purchased Quantity Unit Unit Price Total Cost

1. A service contract is requested 3,500 yards $.40 $1,400. to clear path of trees and brush and lay 3 stacks of concertina wire around the South perimeter of the base (see attached sketch). All material will be Government Furnished.

This purchase request is exempt from Gold Flow IAW ASPR 6-805-2 (a) (VIII) (B) 5.

w/of 367-9 [hand written]

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Total: $1,400.00

Authority for Procurement: Local Purchases authorized as the normal means of supply for the foregoing by AFM 85-1.

Date: 3 Aug 68

M.B. Rubenstein, Lt Col., USAF, Base Civil Engineer [signature]

I certify that the supplies and services listed above and in the attached list are properly chargeable to the following allotments, the available balances of which are sufficient to cover the cost therefor, and funds have been committed.

Accounting Classification: 5793400 309-7449 414200 5920 S535700TH

Amount: $1,400.00

Typed Name and Grade of Accounting Officer: Date: 9 Aug 1968 For I.G. Marshall, Major, USAF Frank J. Kogxxx [signature unreadable]

Approved by Base Commander or his Designee:

Date: 3 Aug 68 W.A. Mason, Colonel, USAF, Commander [signature]

[NOTE: Unfortunately, the attached sketch was not included in the copy of this Purchase Request. However, it should be pointed out that the request states that the trees and brush was to be “cleared” for a path. This indicates a quick solution to the vegetation issue around the base perimeter as opposed to the spraying of herbicides. Probably a bull dozer or grader was used. Now, after the concertina wire was in place, herbicides could not be ruled out as being used to maintain the foliage at an acceptable level, but there is no documentation available to support that contention.]

[NOTE: Although there is no indication of herbicides being used to clear vegetation on Udorn RTAFB at this time, there appears to have been Ranch Hand operations based at Udorn for missions into Laos. The evidence is elusive. The official history of the 12th Special Operations Squadron (Ranch Hand) does not mention the missions at all, probably due to the secrecy surrounding the war in Laos. However, there are hints. In the official USAF history of herbicide use in the Southeast Asia (“Operations Ranch Hand, The Air Force and Herbicides in Southeast Asia 1961-1971” by William A. Buckingham, Jr., Office of Air Force History, 1982), Table 5, Page 201, “Herbicide Operations in Laos,”) the Ranch Hand aircraft dispensed the following over Laos: Area Sprayed Gallons Date in Hectares* Dispensed Herbicide

October 1968 720 6,000 Orange November 1968 960 8,000 Blue

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December 1968 360 2,700 Orange February 1969 840 7,000 Orange September 1969 762 6,350 Blue

Totals 3642 30,050 14,350 gals of Blue and 15,700 gals of Orange * 2.471 acres hectare

There is no documentation to determine from where these missions to Laos originated from (South Vietnam or from Thailand), but the following has been donated to the AFHRA and deemed to be a copy of an original document:

DEPARTMENT OF THE AIR FORCE HEADQUARTERS 432ND TACTICAL RECONNAISSANCE WING (PACAF) APO SAN FRANCISCO 96237

REPLY TO 3 Jan 1969 ATTN OF: C

SUBJECT: Letter of Commendation

TO: 315 Air Commando Wing (C) APO 96321

1. Lt Colonel David E. Stockton, FR52210, commanded a flight from the 12th Special Operations Squadron which operated from Udorn RTAFB during the period 29 Dec 68 through 2 Jan 69. I am extremely impressed with the professionalism displayed by Lt Colonel Stockton and his men in the conduct of their special mission. Lt Colonel Stockton exhibited outstanding leadership and the missions were thoroughly planned and effectively executed. The “Ranch Hands” functioned as a smooth, completely integrated team manifesting cooperation and an esprit de corps which was noted by all who worked with them. The expert management of all necessary equipment and the professional flying ability demonstrated by these men contributed immeasurable to the highly successful completion of their mission.

2. I wish to express my appreciation and gratitude to Lt Colonel Stockton and his men for “a job well done”. Your expert performance of duty has inspired all of us.

(signed)

WENDELL L. BEVAN, JR, Colonel, USAF Cy: 3 TFW (C) Commander APO 96227

The commander of the 315th Special Operations Wing added his praise:

DEPARTMENT OF THE AIR FORCE HEADQUARTERS 315TH SPECIAL OPERATIONS WING (PACAF)

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APO SAN FRANCISCO 96231

REPLY TO 9 Jan 1969 ATTN OF: C

SUBJECT: Letter of Commendation

TO: 12th Sp Ops Sq (C)

1. I am very pleased to forward the attached letter praising Lt Colonel David E. Stockton and his flight for their special operation conducted from Udorn RTAFB from 29 Dec 68 through 2 Jan 69.

2. This highly professional performance has efficiently contributed to the Air Force mission in SEA, and it has added another page in the book of air doctrine which the Ranch Hands are writing so splendidly.

3. Please convey my personal appreciation to Lt Colonel Stockton and the other members of the flight for this fine performance of duty.

(signed)

JOHN W. PAULY, Colonel, USAF 1 Atch Commander 432TFW (C) Ltr, dtd 3 Jan 69

The official history of the 12th Special Operations Squadron for the October through December 1968 period (AFHRA Call Number K-WG-315-HI, Oct-Dec 1968, IRIS Number 455445, in Appendix VI) does not mention this or other missions to Udorn, but it does note that Lieutenant Colonel David E. Stockton, FR52210, was the squadron’s Operations Officer.

It is obvious, from the above, that there was a mission from Udorn, probably targeting areas in Laos, during the 29 December 1968 through 2 January 1969. It appears that missions to Southern Laos (Steel Tiger) most probably originated from the 12th Special Operations Squadron’s operating location based at Da Nang Air Base, Republic of Vietnam. It was a simple flight westward from Da Nang to get into Southern Laos These types of missions would account for missions to Laos prior to December 1968. However, to get into Northern Laos (Barrel Roll), it was simpler to move the Ranch Hand operation to Udorn Royal Thai Air Force Base, Thailand, and simply fly northward. In addition, the above table clearly shows that Agent Orange was sprayed on Laos in December 1968. It is probable that the December 1968 Agent Orange missions into Laos originated from Udorn Royal Thai Air Force Base. This is the first documented time that Agent Orange has been determined to be at a USAF installation in Thailand.

Pacific Air Forces Command Center Chronological Log, 31 January through 28 February 1969 (AFHRA Call Number K717.3051-1, 31 Jan-28 Feb 1969, IRIS Number 1005370):

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PACAF Command Center Daily Chronological Log Beginning 0600 1 February 1969 and ending 0600 2 February 1969 Hawaii Time:

0300 C-130 Force Level. 7AF IMMEDIATE/DO, DTG 02/0055Z Feb 69 (DAS 114, 2 Feb 69) reports cargo levels indicate two (2) additional C-130’s can be released after missions are completed on 2 Feb 69. Type, location and time of release will be determined by 315 ADiv in coordination with the 834 ADiv. Force level will be reduced from 74 to 72 after the release.

PACAF Command Center Daily Chronological Log Beginning 0600 2 February 1969 and ending 0600 3 February 1969 Hawaii Time:

0330 C-130 Force Level. (Ref 01/E0300 Log Entry). 7AF Msg 03/1000Z Feb 69 indicates 2 C-130 aircraft previously announced to be released on 2 Feb will be held for indefinite period due to tactical requirements.

PACAF Command Center Daily Chronological Log Beginning 0600 3 February 1969 and ending 0600 4 February 1969 Hawaii Time:

2350 BARREL ROLL Defoliation. Queried 7AFCC, Maj Gill, concerning defoliation in BARREL ROLL using UC-123’s. Maj Gill stated they were working the SH area of BARREL ROLL around coordinates TF522807. The sorties were scheduled from 2-5 Feb plus weather delays. So far there have been two slippages and the program will continue until 7 Feb. Two missions are scheduled per day and the aircraft are staging out of Udorn. Passed to Briefers.

[NOTE: The SH area referred to in the above lies between Muong Sai to the north and Laung Phrabang to the south, east of the 102 degree Longitude line.]

0300 C-130 Force Level. (Ref 01/E0300 & 02/E0330 Log Entries). 7AF 04/0956Z Feb 69 message announces that 2 C-130’s previously retained will be released after missions on 3 Feb 69.

[NOTE: The significance of the C-130 force level entries is revealed by the 315th Air Division, July 1968 through 15 April 1969, Volume 1 (AFHRA Call Number K- Div-315-HI, Jul 1968-15 Apr 1969, V. 1, IRIS Number 897881) history, Page 141, Airlift of Defoliant, recorded further down below. It was these two aircraft that airlifted 28,000 gallons of defoliant from Phu Cat [Air Base, Republic of Vietnam] to Udorn, for the Ranch Hand operation noted above.]

Thirteenth Air Force, 1 July 1968 through 30 June 1969, Volume 1 (AFHRA Call Number K750.01, FY 1969 (1 Jul 68-30 Jun 69), Vol 1, IRIS Number 899069):

[NOTE: After the attack on Udorn in July 1968, efforts were made to improve base defense in Thailand. The below entry concerns Thailand as a whole as of 28 April 1969:]

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Page I-244, Base Defense: Other improvements in the defense posture were authorization for 303 sentry dogs, steps toward a complete conversion of the commercial vehicle fleet to M- Series vehicles; conversion from a single-channel non-tactical network to a dual- channel system; improved weapons inventory including arming all Thai guards with M-16 rifles. Other beneficial steps were constructing physical security aids such as bunkers, gun emplacements, erecting 368,531 linear feet of fixed fortification fencing, and defoliation of perimeter areas.

Thirteenth Air Force, 1 July 1968 through 30 June 1969, Volume 4 (AFHRA Call Number K750.01, FY 1969 (1 Jul 68-30 Jun 69), Vol 4, IRIS Number 899072):

Supporting Document 184, Message, HQ 13AF to CINCPACAF/Commander, 281130Z April 1969, Subject: Base Defense/Security – Thailand:

Page 4 of 5, paragraph 6 d: Defoliation is underway and in various stages of completion.

[NOTE: As can be seen, with only one sentence out of five pages of this message, vegetation control did not merit much discussion. To clear the areas near the perimeter fences quickly to afford a defensive advantage, the foliage would have to be removed quickly. Herbicides do not do this as the debris is still required to be removed. Initial vegetation control was most likely conducted by mowing, cutting, burning, bull-dozing or use of other heavy equipment like road graders.]

315th Air Division, July 1968 through 15 April 1969, Volume 1 (AFHRA Call Number K-Div-315-HI, Jul 1968-15 Apr 1969, V. 1, IRIS Number 897881):

Page 141, Airlift of Defoliant: Two aircraft and three aircrews were required to airlift 28,000 gallons of defoliant from Phu Cat [Air Base, Republic of Vietnam] to Udorn, Thailand on a combat essential basis. The required delivery date was between 2 and 5 February 1969, but adverse weather prevented accomplishment of the mission 2 February, so the aircraft and crews had to be held in country an additional 24 hours.

315th Air Division, July 1968 through 15 April 1969, Volume 4 (AFHRA Call Number K-Div-315-HI, Jul 1968-15 Apr 1969, V. 4, IRIS Number 466288):

Supporting Document 159, Message, From WTOB, Republic of Vietnam/Thailand, Saigon RVN to CHWTO Tachikawa Air Base, et al., 3 February 1969, “Increased Support for WTOB Special Airlift Request 2-5”, Reference WTOB RVN/TAHI MSG 29/0300Z Jan 69 (WTOB 2-5); 315 Air Div MSG 31/0722Z Jan 69 (Fragg Order 157); TELECON TSgt Snyder WTO/SP5 Adams WTOB RVN This Date:

1. Ref (A), WTOB Special Airlift Request 2-5, Listed requirement to airlift 28,000 gallons of defoliant liquid from Phu Cat AB RVN to Udorn RTAFB, Thailand, CINCPAC Priority 1B(2), RDD 2-5 Feb 69.

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2. Ref (B) Authorized the use of two C-130s and three aircrews on projects A032- 41J and A032-42J to satisfy requirement.

3. Ref (C) Requested and approved that the two aircraft and three aircrews be retained for an additional 24 hour period, as adverse weather conditions precluded accomplishment of mission on 2 Feb.

4. This confirms Ref (C).

GP-4 BT 5936

[NOTE: The above entries seem to refer to not the spraying of Udorn, but for the Ranch Hand unit (the 12th Special Operations Squadron, 315th special Operations Wing) to utilize Udorn as a base of operations to spray defoliant over targets in Laos. According to the USAF official history of herbicide use in the Southeast Asia (“Operations Ranch Hand, The Air Force and Herbicides in Southeast Asia 1961-1971” by William A. Buckingham, Jr., Office of Air Force History, 1982), Table 5, Page 201, “Herbicide Operations in Laos,”) the Ranch Hand aircraft dispensed 7,000 gallons of Agent Orange over 840 hectars in Laos during February 1969. The same figure is used in the Project CHECO Southeast Asia Report, “Ranch Hand Herbicide Operations in SEA,” 13 July 1971 (AFHRA Call Number K717.0413-20), Page 106, Appendix D, Herbicide Sorties in Laos, 1965-1969). It is believed that some of this Laotian spraying of herbicides may have come from Udorn especially starting in December 1968. If the 28,000 gallons of herbicides were Agent Orange, it is the second known time that Agent Orange was ever present at any USAF installation in Thailand. The first was in December 1968. However, it was not sprayed on Udorn, but merely stored there for the few days for Ranch Hand to conduct their missions in Laos.]

432nd Tactical Reconnaissance Wing, January through March 1969, Volume 2 (AFHRA Call Number K-WG-432-HI, Jan-Mar 1969, V. 2, IRIS Number 457852):

[NOTE: The 432nd Security Police and 432nd Civil Engineering Squadron Historical Data Reports contain no mention of vegetation control.]

432nd Tactical Reconnaissance Wing, April through June 1969, Volume 1 (AFHRA Call Number K-WG-432-HI, Apr-Jun 1969, V. 1, IRIS Number 457854):

Page 47, Security: The flood control project also forced the relocation of approximately 75,000 feet of concertina wire and all perimeter lighting units. Internal vegetation along the perimeter was also removed during the quarter, providing clear fields of fire around the base.

[NOTE: Unfortunately, the means of removal is not noted, but since herbicides would have left debris that would have hindered the fields of fire required, it

240 would appear that the vegetation was cut or bulldozed away to provide line of sight unobstructed views.]

432nd Tactical Reconnaissance Wing, April through June 1969, Volume 3 (AFHRA Call Number K-WG-432-HI, Apr-Jun 1969, V. 3, IRIS Number 457855):

432nd Security Police Squadron Historical Data Record, Apr-Jun 1969:

Page 2, Operational Activities: At the end of April, a self-help project was completed, involved the removing of internal vegetation along the base perimeter. This project has induced greater security measures for both perimeter guards and K-9 handlers, giving them better observation of any individual’s movements on or off base.

[NOTE: Although it does not state how the vegetation was ‘removed,’ the wording would indicate the actual displacement of vegetation was conducted, as opposed to herbicide spraying which would kill the grass in place and leave debris which could still provide concealment for enemy troops. Also, in late June, the Thirteenth Air Force Security Defense Survey Team arrived on base and reviewed the base defense and issued the following report, which also emphasized vegetation control:]

Pacific Air Forces Command Center Chronological Log, 30 August through 30 September 1969 (AFHRA Call Number K717.3051-1, 30 Aug-30 Sep 1969, IRIS Number 1005377):

PACAF Command Center Daily Chronological Log Beginning 0600 30 August 1969 and ending 0600 2 September 1969 Hawaii Time:

1830 RANCH HAND Defoliation in BARREL ROLL. 432TFW 01/1210Z Sep 69 (DAS 455 Sep 1) OPREP-4 reports Udorn F-4Ds on primary escort for RANCH HAND defoliation operation in BARREL ROLL. The location was approximately 21 miles east of Channel 108 and 15 miles SE of the Plaine Des Jarres. This is the first time RANCH HAND mission was flown in BARREL ROLL. [NOTE: This is incorrect. See 2 through 5 February 1969, above.] Called 7AFCC, Lt Col Van Cura, and discussed the operation. He reported that six aircraft (UC-123K flew mission on 1 Sep with lots of ground fire but no battle damage. Eight aircraft per day will be fragged into BARREL ROLL through 9 Sep. They are staging out of Udorn RTAFB. Maj Johansen, 7AF TACC, is the OPR for the operation. Passed to Briefers.

[NOTE: This was the third documented time that Ranch Hand operations originated from Udorn for missions into Laos: 28 Dec 1969 through 2 January 1969; 2 through 5 February 1969 and now the 31 August through 7 September 1969. This 31 August through 7 September 1969 Ranch Hand mission from Udorn will be the last time these missions would take place. Ranch Hand never again came back to Udorn (or any other USAF installation in Thailand)].

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Extract, 7th/13th Air Force, Udorn RTAFB, Thailand, 1 July through 31 December 1969 (AFHRA Call Number K744.01, Jul-Dec 1969, IRIS Number 528007):

Page 35, Ranch Hand Operations: During the last half of the reporting period, the commander of Military Region V with the concurrence of the Laotian Prime Minister and the American Embassy, Vientiane, forwarded a request for defoliation of ten enemy held rice fields. It was later amended to cover one overall area. Seventh AF was informed to ascertain the number of C-123 aircraft that would be needed in the operation.

Page 36: AIRA [air attaché] Vientiane requested an in-country clearance from AMEMB [American Embassy] Bangkok for defoliating aircraft and the associated support package for a period of seven to ten days. The operation required RTG [Royal Thai Government] approval as well.

The 12th Special Operations Squadron at Bien Hoa AB, RVN provided a project officer to survey the requested area along with recently procured photos to examine the feasibility of the project. It was considered feasible and would require five aircraft for completion.

The five aircraft loaded with blue herbicide arrived at Udorn on 31 August 1969. Ramp space was provided by the 432nd TRW. Two C-130 support aircraft arrived the same day from Nha Trang AB, RVN and acted as shuttle aircraft for blue herbicide and spare parts.

On 1 September, the defoliation mission began and briefings were conducted by the Raven FAC, 7/13th DI, AIRA Vientiane and 432nd Operations.

The daily aviator’s activity reports were submitted as the daily herbicide frag. Fighters were fragged by 7AF. The mission package included C-123 sprayers, C-130 support, F-4D fighters, OV-1 FACS, A-1E fighter support and Jolly Green SAR support.

Page 37: The fighter support was utilized for the first two days of the operation but due to the mountainous terrain, C-123 operating and maneuvering capabilities and weather precluded the full use of the F-4s. On the fourth day of the operation, slow movers, A-1Es provided the fighter support. Due to the nature of the operation, the slow movers provided a more efficient fighter cover than the F-4s. The mission was successfully completed on 7 September with no injuries to friendly personnel

[NOTE: As can be seen from the above, while crop destruction was undertaken by Ranch Hand from Udorn from 31 August through 7 September 1969, the herbicide used was Agent Blue, not Agent Orange. Although the herbicides were not used on Udorn, it is the third time documentation can be found that show that Tactical Herbicides were based at a USAF installation in Thailand—the first one was 28 December 1968 through 2 January 1969 (Agent Orange, and there may have been some missions in October and

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November [Agent Blue] 1968); the second time was 2 through 5 February 1969 (Agent Orange); and this third time was from 31 August through 7 September 1969 (Agent Blue), all at Udorn.]

432nd Tactical Reconnaissance Wing, July through September 1969, Volume 2 (AFHRA Call Number K-WG-432-HI, Jul-Sep 1969, V. 2, IRIS Number 457857):

Supporting Document 88, Thirteenth Air Force Security Defense Survey, signed by Colonel T.L. Simpson, dated 19 September 1969, to 8, 56, 355, 388, 432, and 635 Combat Support Groups:

Page 1, paragraph 1: A defense survey was conducted at Ubon RTAFB, NKP TRAFB, Udorn RTAFB, Takhli RTAFB, U-Tapao RTNB, and Korat RTAFB, Thailand during the period 23-30 June 1969. Survey team members were Major D.E. Clemente, Civil Engineering Officer, AFRCE Thai, and Captain F. Capone, Security Police Officer, 13AF (IGS). The purpose of the survey was to reassess the 1968 security package, identify additional requirements for perimeter defense security facilities, and to assess the impact of Red Horse withdrawal on security construction programs.

Page 2, General comments on base defense security facilities, paragraph d: A continuing vegetation control program is required for cleared areas under and between perimeter security fences. The area between the fences is intended to be used as a no-man’s land with additional detection and deterrent devices such as trip flares, TSSE, tangle-foot, etc. being employed within. In view of the above, a mowing operation for vegetation control will be impossible. As a result, a conscientiously controlled program of vegetation control through the use of herbicides must be applied. Application of herbicides must be directed toward retarding growth to provide a cleared area, but under no circumstances should the type or quantity applied result in destruction of root structure so as to create a serious erosion problem. Additionally, remaining growth should be of sufficient height so as to provide camouflage for detection and deterrent devices planted in the cleared area.

[NOTE: The last page of this survey is devoted to just items of interest to Udorn RTAFB. No mention of vegetation control is found on this Udorn-specific page. Despite the emphasis from higher headquarters, there is no evidence that Udorn acted on these concerns at this time, instead, the emphasis was improving the physical barriers of the perimeter fence.]

315th Special Operations Wing, July through September 1969, (AFHRA Call Number K-WG-315-HI, Jul-Sep 1969, IRIS Number 455448):

Appendix 5, Unit History, 12th Special Operations Squadron, July-September 1969:

Page 5, Combat Operations:

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1 September 1969 thru 7 September 1969, 28 combat sorties were generated by 5 aircraft operating from a forward operating location in support of a classified mission. 42 hits from hostile ground fire was taken during this mission.

[NOTE: The 12th SOS historian did not go into detail about this mission, due to the security classification at that time, but this was the spraying of Agent Blue onto Laos from Udorn.]

314th Tactical Airlift Wing, July through September 1969, V. 1 (AFHRA Call Number K-WG-314-HI, Jul-Sep 1969, IRIS Number 455401):

Chronology: 31 Aug-8 Sep Two C-130E’s operated from Udorn under command of Lt Col Leslie H. Sharpless to position 197 tons of defoliant and equipment for operations of C-123 Ranch Hand.

Page 26, Special Projects: Two C-130E’s operated from Udorn under the command of Lt Colonel Leslie H. Sharpless from 31 August to 8 September 1969. A total of 197 tons of defoliant and support equipment was positioned for operations of C-123 Ranch Hand.

[NOTE: This was Agent Blue. No Agent Orange was used on this week long mission.]

314th Tactical Airlift Wing, July through September 1969, V. 2 (AFHRA Call Number K-WG-314-HI, Jul-Sep 1969, IRIS Number 455402):

Supporting Document 13, 346th TAS Mission Commander’s Report (31 Aug-8 Sep 69), to 314TAW (OO), dated 10 Sep 1969:

1. Reference: MSG (Secret) DOALCS 0666 2. Mission Commander: Lt Colonel Leslie H. Sharpless 3. Aircraft Commanders: Lt Col Carl N. Germundson, 776 TAS Maj John Foulk, 346 TAS Capt Edwin J. Motyka, 345 TAS 1/Lt Bruce N. Blocher, 50 TAS 4. Crew Chiefs: SSgt Larry Vangorder Sgt James Marks SSgt John Rosenfield Sgt Charles Hendry 5. Number of Aircraft: a. 63-78552 – Air Aborted to CCK b. 62-1800 – Replaced 63-7852 (31 Aug 69) c. 63-787 – Replaced 62-1800 (2 Sep 69) d. 63-7802 6. Airlift Data: a. Sorties Completed – 39 b. total Flying Time – 1,065 Hours c. total Cargo Airlifted – 393,900 lbs

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7. Narrative: a. Acft 7852 air aborted back to CCK one hour after departure. The crew changed to acft 1800 and was 4 hours behind on initial arrival. On arrival, 1800 only had 10.5 hours remaining until phase inspection and needed an immediate replacement before the IST mission was performed. The replacement arrived 2 Sep (63-787). 787 and 802 remained to complete all missions.

b. Maj Foulk contracted the flu after his first mission and was DNIF until date of return. The major part of the mission was performed with the three remaining aircrews.

c. The C-130’s fulfilled all mission requirements with credit. The full 16 hour crew day was required on several occasions. The crew chiefs deserve a “Well Done” for their long hours and initiative in preparing the aircraft for flight.

d. Base support was marginal. A pre-briefing on this mission was accomplished but maintenance support was barley satisfactory. The C-130’s were accepted as a transient acft and often repetitive calls were made for fuel service, lox, specialists, etc. On arrival, it was the 2nd day before transport was given to this operation.

e. Billets. All crews were billeted in town. Taxis were required to get to the base on departure. The Base Commander at first disapproved signing “Impracticality of Meals” forms for the airmen. His explanation was that a 24 hour mess existed on the base. After several calls and re-emphasis of the flying schedule to other base staff colonels, the Base Commander was then convinced to sign these forms.

8. Recommendations:

a. The first three days of operation required the Mission Commander to work 20 hours per day. Another non-crew officer would have been a definite asset. This mission could not have been performed without someone not involved in flying to act as Mission Commander. It required an additional officer as assistant.

b. Consideration should be given to a fly away kit of spare parts for the C- 130.

Signed

LESLIE H SHARPLESS, Lt Col, USAF Mission Commander

[NOTE: The above is the report concerning the C-130’s that transported Agent Blue to Udorn for the Ranch Hand missions into Laos for the period of 31 August through 7 September 1969.]

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31 October 1969 aerial photo of Udorn Royal Thai Air Force Base. Cantonment area which contains most of the Combat Support Group functions is in the upper right hand corner. The Operational area is in the lower area of the photo.

1974th Communications Group 1 July through 30 September 1969 (AFHRA Call Number K382.1974, Jul-Sep 1969, IRIS Number 499589):

Pages 25-27, Materiel: The AN/TRC-103 is a tactical Tropospheric scatter radio communications set. The TRC-103 system was conceived to provide additional long-haul communications for Thailand. It consists of Tropospheric scatter terminals at Udorn and Warin, with a back to back relay at Roi-Et [all in Thailand]. The Udorn terminal is operated by the 1973rd Comm Sq, while the Warin and Roi-Et sites are operated by the 1982nd Comm Sq [OL-B at Warin, OL-A at Roi-Et]. Contractor installed in 1968, it has yet to become fully operational and has not met DCA [Defense Communications Agency] specifications.

Two separate technical evaluations of the TRC-103 system have been completed. The first was conducted by a Pac Comm Area team augmented by SE Asia Comm Rgn personnel. The findings of this evaluation was that the equipment was functioning at or above design specifications; however, because of the path the system in its current configuration will not meet DCA specifications. In analyzing the path profile, the team also engineered the antenna clear zone requirements and recommended tree and brush removal. This action will improve operating characteristics, but not to the extent that DCA specifications will be met.

In order to improve the path profile, foliage clearance was required at all three locations. A significant portion of the foliage was removed at Warin by self-help efforts. Also through the efforts of the 1982 Comm Sq Commander, preliminary arrangements have been made for clearance at Roi-Et. Funds have been requested from Thirteenth Air Force for this project. MACTHAI assistance has been requested for gaining approval to clear the zone at Udorn.

[NOTE: The term ‘removed’ connotes the physical removal of vegetation, and since it was done under a self-help concept, herbicide spraying (which required trained personnel) is unlikely. Rather, it appears that cutting, mowing, and burning of brush piles along the paths to the equipment areas was desired, and while the men at Warin did it themselves, a contract for local Thai’s was desired for Roi-Et. As with most activity off base, close coordination with the Thai government was required before any vegetation clearing could take place outside the perimeter fence of the base at Udorn; hence the need for Military Assistance Command-Thailand (MACTHAI) involvement. By the close of the quarter, no vegetation removal had taken place around the aircraft landing aid equipment at Udorn.]

432nd Tactical Reconnaissance Wing, October through December 1969, Volume 3 (AFHRA Call Number K-WG-432-HI, Oct-Dec 1969, V. 3, IRIS Number 457861):

432nd Security Police Squadron Historical Data Record for Oct-Dec 1969:

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Page 2, Administrative Activities: On 22 October 1969, Lt. Col. O.D. Steffey, Chief, Installations Security Division, Directorate of Security Police, Office of the Inspector General, Hq PACAF, arrived at this base for a Staff Assistance visit, and made the following observations and comments, to improve security and the base defense posture; Install concertina wire along the base of the present fence located in the USAF Munitions Storage area and clear vegetation from the fence line in the Thai/USAF Munitions Storage area. That, where practical, towers and gun emplacements be further improved by the addition of at least one roll of concertina wire about 15 yards outward from the position to prevent hostile forces from coming within accurate grenade throwing range.

1974th Communications Group 1 October through 31 December 1969 (AFHRA Call Number K382.1974, Oct-Dec 1969, IRIS Number 499590):

Page 28 AN/TRC-103 Troposcatter Radio System: Removal of interfering foliage at Roi-Et and Udorn has not been completed yet. Preliminary arrangements have been made for clearance at Roi-Et and funds have been requested from Thirteenth Air Force for this project. MACTHAI assistance was requested for gaining approval to clear the zone at Udorn and the 432nd Combat Support Group Base Civil Engineer at Udorn has completed all agreements for removal of foliage at the Udorn TRC-103 site. The target date for completion is 15 Feb 70.

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25 February 1970, aerial view of Udorn RTAFB during F-4 flyby for 432nd TRW Change of Command ceremony.

432nd Tactical Reconnaissance Wing, 1 January through 31 March 1970, Volume 1 (AFHRA Call Number K-WG-432-HI, Jan-Mar 1970, V. 1, IRIS Number 457862):

Page 55, Security: Approximately 25 percent of a permanent perimeter fencing project had been completed by the end of March. Estimated completion date for this project was

249 set for May. A temporary perimeter fence was installed in the Munitions Maintenance Squadron area. Two rolls of concertina wire were constructed and mobile lighting units were utilized to provide perimeter lighting.

[NOTE: No mention is made of any vegetation control.]

432nd Tactical Reconnaissance Wing, January through March 1970, Volume 3 (AFHRA Call Number K-WG-432-HI, Jan-Mar 1970, V. 3, IRIS Number 457864):

[NOTE: Neither the 432nd Security Police or 432nd Civil Engineering Squadron’s Historical Data Records for Jan-Mar 1970 make any mention of vegetation control.]

432nd Tactical Reconnaissance Wing, April through June 1970, Volume 1 (AFHRA Call Number K-WG-432-HI, Apr-Jun 1970, V. 1, IRIS Number 457865):

Page 40, Construction: Contract 70-C-0406, Security Lighting and Guard Towers. Installation of perimeter security lighting from PPIF area to Taxiway Four and erection of three 35-foot guard towers was completed. Entire project was expected to be completed early next quarter.

Page 43, Security: A number of projects were undertaken or completed during the quarter to enhance the posture of base defense. The perimeter fencing along the north perimeter was completed with the exception of some intermittent areas where concertina wire had not been set and secured. Two M-60 machine gun bunkers were rebuilt to provide greater protection and an increased field of fire. Also, five new observation towers were erected.

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30 June 1970, perimeter fence of Udorn RTAFB.

432nd Tactical Reconnaissance Wing 1 April through 30 June 1970 history, Volume 3 (AFHRA Call Number K-WG-432-HI, Apr-Jun 1970, V. 3, IRIS Number 457867):

432nd Security Police Squadron Historical Data Record, Apr-Jun 1970:

Page 5, Base Defense: The perimeter fencing along the north perimeter of the base has been completed with the exception of some intermittent areas where concertina wire has not yet been set and secured. Five new Security Observation Towers have been erected to enhance the security of the base.

[NOTE: No mention of any vegetation control in this history.]

432nd Civil Engineering Squadron Historical Data Record, Apr-Jun 1970:

Page 3: Contract number 70-C-0406; Security Lighting and Guard Towers: The installation of “FRESNEL” perimeter security lighting in area “1”, which extends from the PPIF area to taxiway number four, and the erection of three 35 foot wooden guard towers were completed. This project is progressing satisfactorily and is expected to be 100% complete by the end of July 1970.

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[NOTE: No mention of any vegetation control in this history.]

388th Tactical Fighter Wing, April through June 1970, Volume 3, history (AFHRA Call Number K-WG-388-HI, Apr-Jun 1970, V. 3, IRIS Number 457290):

Supporting Document 358, Letter, Major Richard Geisler, Director of Security Police, Office of Inspector General, Headquarters Thirteenth Air Force (IGS), to 8 Cmbt Spt Gp (BSP); 56 Cmbt Spt Gp (BSP), 355 Cmbt Spt Gp (BSP), 388 Cmbt Spt Gp (BSP), 432 Cmbt Spt Gp (BSP), 631 Cmbt Spt Gp (BSP), and 635 Cmbt Spt Gp (BSP), “Vegetation Control,” 15 Jun 1970:

Department of the Air Force Headquarters Thirteenth Air Force (PACAF) APO SAN FRANCISCO 96274 15 Jun 1970 REPLY TO ATTN OF: IGS

SUBJECT: Vegetation Control

TO: 8 Cmbt Spt Gp (BSP) 432 Cmbt Spt Gp (BSP) 56 Cmbt Spt Gp (BSP) 631 Cmbt Spt Gp (BSP) 355 Cmbt Spt Gp (BSP) 635 Cmbt Spt Gp (BSP) 388 Cmbt Spt Gp (BSP)

1. The attached correspondence is forwarded for your information and appropriate action.

2. The USAF Inspector General has expressed concern over attacks on bases in Thailand during which the enemy used the foliage cover bordering the bases to their advantage and has directed that emphasis be placed on the clearing and control of vegetation.

3. Although the maintenance and control of vegetation in and around the base is the responsibility of Base Civil Engineers, continuous emphasis must be given this program by the Chief of Security Police. When necessary, viz, to provide clear fields of fire, observation of approaches to resource areas, etc., consideration must be given to self-help programs as the only practical expedient. After all, our security force personnel lives are at stake as well as adversely affecting base defense operations. Therefore, vegetation must be controlled to assure that surveillance of the fence line and surrounding areas is not impeded.

4. This subject will continue to be an item of special interest during staff visits and general inspections.

FOR THE COMMANDER

RICHARD E. GIESLER, Maj, USAF 1 Atch

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Director of Security Police PACAF (IGSS) (C) Ltr, Office of Inspector General subj as above, 18 May 70, w/2 Atch n/c

Cy to: 7/13AF (BSP)

432nd Tactical Reconnaissance Wing, July through September 1970, Volume 1 (AFHRA Call Number K-WG-432-HI, Jul-Sep 1970, V. 1, IRIS Number 457868):

Page 59, Construction: The installation of Fresnel perimeter lighting in Area 1, extending from the Primary Photographic Interpretation Facility to taxiway number 4 and the erection of three 35-foot guard towers was completed during the quarter. Phase II of the contract, including completion of the remaining perimeter lighting and four additional guard towers was not completed, but construction was considered to be progressing satisfactorily.

[NOTE: Neither the Civil Engineering nor Security Police Squadron histories mention any vegetation control efforts in this quarterly history.]

432nd Tactical Reconnaissance Wing, October through December 1970, Volume 1 (AFHRA Call Number K-WG-432-HI, Oct-Dec 1970, V. 1, IRIS Number 457871):

Page 77, Security: Theft of perimeter fencing and “pinning” of trip flares (making the flare inoperative) was a problem during the early part of the quarter. The areas most affected were the old Munitions Maintenance Squadron area and the northwest perimeter. To solve the problem the 432nd Security Police Squadron, in cooperation with the Base Civic Action Office, donated the old concertina wire, barbed wire and fence posts to the village in the adjacent area. In exchange for the fencing the villagers cleared the vegetation for 50 yards from the edge of the perimeter, thereby increasing visibility for the security guards.

432nd Tactical Reconnaissance Wing, October through December 1970, Volume 3 (AFHRA Call Number K-WG-432-HI, Oct-Dec 1970, V. 3, IRIS Number 457873):

432nd Security Police Squadron Historical Data Record, Oct-Dec 1970:

Page 3, Operational Activities: Theft of perimeter fencing and pinning (Pinning the trip flare so it will not ignite if moved or removed) of trip flares was a problem during the early part of the quarter. The areas most affected were the old 432 Munitions Maintenance Squadron (MMS) and the north-west perimeter. To solve this problem, this Squadron in cooperation with the Base Civic Action Officer, donated the old concertina wire, barbed wire and fence posts to the village in the adjacent area. In exchange for this material the villagers cleared the vegetation and growth, 50 yards wide, from around the perimeter of the area concerned, thereby increasing

253 the visibility of our guards; improving their ability to protect the resources stored within the area.

[NOTE: No mention of herbicide, but it appears that local labor is utilized in this swap of materials for removing vegetation. It is doubtful that chemicals were used in this project, but mowing and cutting and perhaps burning was the method employed.]

432nd Tactical Reconnaissance Wing, January through March 1971, Volume 1 (AFHRA Call Number K-WG-432-HI, Jan-Mar 1971, V. 1, IRIS Number 457874):

Page 83, Security: Stand-off fencing was erected around M-60 machine gun bunkers and 81mm mortar pits. This fencing consisted of nine gauge chain link fencing placed 10 to 25 feet in front of the bunkers to minimize the effects of enemy rockets and rocket-propelled grenades. In addition, several personnel bunkers were completed and bunkers at the base of sentry towers were renovated. These were constructed through Security Police Squadron self-help programs to provide protection for sentries in the vent of attack or evacuation of the tower.

[NOTE: Neither the Civil Engineering nor Security Police Squadron histories mention any vegetation control efforts in this quarterly history.]

432nd Tactical Reconnaissance Wing, April through June 1971, Volume 1 (AFHRA Call Number K-WG-432-HI, Apr-Jun 1971, V. 1, IRIS Number 457877):

Page 66, Facilities, General: Udorn RTAFB was functionally and physically separated into two divisions: the operational, or industrial area, on the south side of the 10,000 foot runway, and the cantonment and support functions on the north side. The operational area continued to be jointly shared by both USAF and Royal Thai Air Force units.

Page 68, Construction: Contract Number 70-C-0482 Phase II of the Security Lights and Guard Tower Package moved to the 99 per cent complete point at the end of June. Minor discrepancies were noted on the project which was to construct four additional guard towers, and install additional security fences and perimeter lights.

[NOTE: No mention of vegetation control in this history.]

Page 73, Security: A special emphasis was placed on these endeavors as the monsoon season was fast approaching, since bunkers constructed with sandbags wet prior to that construction quickly deteriorate and offer little or no protection from small arms fire. Standoff fencing to afford protection against incoming rockets was completed early in the quarter around all existing machine gun bunkers.

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An accelerated on-the-job training program in squad deployment tactics was initiated effective 1 April utilizing well-qualified instructors from the Security Police Training Section. Teams practiced during the hours of greatest threat (2000- 0400) and gained intimate knowledge of the terrain as well as of cover and concealment available to the enemy.

432nd Tactical Reconnaissance Wing, April through June 1971, Volume 3 (AFHRA Call Number K-WG-432-HI, Apr-Jun 1971, V. 3, IRIS Number 457879):

Historical Data Record, 432nd Security Police Squadron, Apr-Jun 1971:

[NOTE: No mention of any vegetation control in this history.]

Historical Data Record, 432nd Civil Engineering Squadron, Apr-June 1971:

Page 2, Operation and Maintenance:

Contract Number 70-C-0482, Phase II of the Security Lights and Guard Tower Package. Work included constructing four (4) additional guard towers, additional security fence and perimeter lightings. Project has been inspected for acceptance. Minor discrepancies were noted and the contractor has been instructed to correct same before final inspection and acceptance. Project is now 99% complete.

[NOTE: No vegetation control is noted in this history.]

432nd Tactical Reconnaissance Wing, July through December 1971, Volume 1 (AFHRA Call Number K-WG-432-HI, Jul-Dec 1971, V. 1, IRIS Number 902827):

Page 101, Security: As a part of the self-help construction program which continued from the April – June period, four M-60 machine gun bunkers were completed during August. These allowed better fire coverage and enhanced protection for USAF resources. Sixteen individual fighting positions were built within the revetment area during the fourth quarter. The grass around the base perimeter was burned off to improve detection capabilities.

[NOTE: This shows that vegetation control was by burning, not by herbicide use.]

Following a sapper attack on Cam Ranh Bay [Republic of Vietnam], intelligence estimated that Communist Terrorists were capable of conducting similar attacks against American personnel, aircraft and equipment based in Thailand. Seventh/Thirteenth Air Force directed all commanders to take a close look at their bases and see how they stood. In a memo to Col. Clair G. Thompson, group commander, and Maj. George B. Norwood, Chief, Security Police, Colonel Mann expressed his doubt that Udorn’s base defenses could foil a similar attack. He asked for an assessment of base defense capabilities and what was needed to improve them.

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Page 102: Major Norwood felt aircraft resources could be defended successfully – provided the sappers were observed entering or approaching the perimeter. Once penetration was successful, especially on the southwest perimeter, little space to absorb an attack would greatly hamper stopping it. The major pointed out that the most important factor in the successful defense of an installation was adequate warning that an attack was pending. To insure a better chance of getting this warning in time, the base security police not only utilized OSI reports, but also maintained their own network. Time was also essential because of the amount involved in recalling personnel, having them come across the base and arm. Though not really considered a “cure” but only a treatment, the security police initiated a “standby” system as a stop-gap measure to help overcome the recall response time.

[NOTE: Emphasis here is on intelligence warning, not actual observing the approach of enemy personnel along the perimeter fence. Still no vegetation control measures that include herbicide.]

432nd Tactical Reconnaissance Wing, July through December 1971, Volume 2 (AFHRA Call Number K-WG-432-HI, Jul-Dec 1971, V. 2, IRIS Number 902828):

Supporting Document 63, Message, 7/13AF/CD, Udorn RTAFB Thailand to 8TFW/CC, Ubon RTAFB, Thailand; 56SOW/CC, Nakhon Phanom Aprt, Thailand; 388TFW/CC, Korat RTAFB, Thailand; 635CSG/CC, U-Tapao Afld, Thailand; 432TRW/CC, Udorn RTAFB, Thailand; 6236ABS/CC, Don Muang RTAFB, Thailand, Subject: Base Defense, 26 Aug 1971:

Part I: The following message relating to a recent enemy attack on Cam Ranh Bay is quoted for your information: Communications Personal: Please retransmit the attached message [original message not included with this copy in this history].

Part II: For some time now our intelligence sources have advised that the CT [communist terrorists] have a current capability to conduct sapper attack against Thailand based USAF personnel, resources and lines of communications similar to the attack described above. Consequently, I want each of you to ask yourself the following questions: A. Are you confident that your base defenses are adequate to prevent the loss of critical resources (personnel, aircraft, ordnance) by an attack such as the one at CRB?

B. If you do not have this confidence, have you documented your deficiencies and what you need to correct them?

Part III: I urge you to give this subject your attention as a priority matter on a continuing basis.

Signed Dewitt R. Searles, Major General, USAF, Deputy Commander

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Supporting Document 63, Hand written note by 432nd Tactical Reconnaissance Wing Commander, Colonel Mann, 27 August 1971:

CSG-CC SPS-CC I am very doubtful that our base defenses could respond and prevent a similar loss of critical resources.

Give me a report on precisely what would be required to: 1) Guarantee adequate defense 2) Increase the probability of adequate defense to a high degree. 3) Where our principal weaknesses exist. 4) Plan to correct to the extent possible within our resources. 5) Assistance needed from Higher Headquarters. Etc. etc.

Signed Colonel Mann

Suspense: 5 Sep 71 Although this is a short suspense, I believe most of this info is readily available through reports of inspections/surveys etc. I will grant an extension of suspense if necessary.

Supporting Document 64, Letter, Major George B. Norwood, 432nd Security Police Squadron Commander to 432nd Tactical Reconnaissance Wing Commander, subject: Base Defense (Your memorandum, 27 Aug 71, same subject), 10 September 1971:

1. In view of the fact that insurgency in Thailand is on the increase, developing a strong Base Defense program is of the utmost importance. We must come to grips with reality and recognize weaknesses in our Base Defense Program. Additionally, we must identify these weaknesses and take whatever steps are necessary to eliminate as many problem areas as possible. However, it must be realized, we can never guarantee total success in Base Defense, and never know its strength unit it is tested by an enemy unit. We must, however, exert every effort and explore every avenue, to increase the probability of adequate defense to a high degree.

2. At the present time, we are not confident that we can successfully defend all resources located on the base from a well coordinated company size sapper attack. There are improvements which can and are being made at the local level; however, there are some areas which are beyond our capability to correct or improve upon. A separate letter (copy attached) is being forwarded to Headquarters, 7/13AF (SP), outlining problem areas in which Headquarters support is needed.

3. The subsequent paragraphs identify our weak points, action required to correct these weaknesses, and what action we have initiated in an attempt to minimize these weaknesses.

4. Due to the configuration of the base, our most vulnerable and difficult to defend resources are the POL area, old munitions storage area, and the new

257 munitions storage areas. Generally, we feel that our aircraft resources can be defended successfully from a sapper attack, provided the sappers are observed entering or approaching the perimeter. However, due to the close proximity of the resources to the fence on the Southwest perimeter of the base, if the perimeter is breached, we do not have sufficient fighting space to adequately ward off an attack.

5. The most important factor in successfully defending an installation is receipt of warning that an attack is pending.

[NOTE: From this point on, only vegetation control will be noted in this extract.]

6. Omitted [not relevant to vegetation control.]

7. Additionally, resources we feel are required to enhance the exiting defensive posture of our most vulnerable areas are as follows:

a. Location: Off-Base munitions storage areas (2) b. Additional resources: (1) through (8) are omitted, as they are not relevant to vegetation control.

(9) Strong vegetation control.

[NOTE: The above expresses the issues concerning only the off-base munitions storage area. The letter then goes on about the POL area and then the upgrade of the posture of base defense in general and there is no mention of vegetation control for either one of those areas. Therefore, weed control appears to only be a concern for the off-base munitions area.]

8. through 10. Omitted [not relevant to vegetation control.]

11. In an effort to strengthen our Base Defense Program the 432nd Security Police Squadron has accomplished the following actions:

a. through b. Omitted [not relevant to vegetation control.] c. Initiated a self-help project to string concertina wire and trip flares around the entire south perimeter. d. Requested through the Base Civil Engineers for vigorous vegetation control support on the perimeters. This is of significant importance for a reliable detection capability. e. through j. Omitted [not relevant to vegetation control.] k. Requested vegetation control support from Continental Air Service in an area adjacent to our south perimeter. l. Omitted [not relevant to vegetation control.] 12. Omitted [not relevant to vegetation control.] 13. The requirements which need Higher Headquarters support will be forwarded to 7/13AF (SP) as requested in their SP 29/1055Z Aug 71 message.

For the Commander Signed George B. Norwood, Major, USAF

258

Commander

[NOTE: Finally, vegetation control is noted as being needed, but the emphasis for this appears to be near a civilian air terminal that shared the base. However, it is at least a step in the right direction—it is recognized that vegetation control is required at Udorn.]

Supporting Document 64, Letter, Major George B. Norwood, 432nd Security Police Squadron Commander to 7/13AF (SP), subject: Base Defense (Your 291055Z Aug 71 Msg, same subject), September 1971:

[NOTE: Only vegetation control topics will be extracted and reproduced in the below]:

1. At the present time, we are not confident that we can successfully defend all resources located on the base from a well coordinated company size sapper attack.

2. Omitted [not relevant to vegetation control.]

3. There are many ways in which the defense of the above three locations could be enhanced measurably. Before expounding on these, it should be noted that two things would be of great benefit immediately. These are:

a. Omitted [not relevant to vegetation control.] b. Purchase of a band of ground 400 to 500 yards outside of the existing boundary. This would enable us to extend our barrier and warning lines outward to an effective distance and gain maximum effectiveness in our deployment of automatic weapons. This would not be possible in the POL area due to its being adjacent to public housing and a public road.

4. Additional resources which are required to enhance the existing defensive posture of our most vulnerable areas are as follows:

a. Location: Off base munitions storage areas (2). b. (1) trough (8) omitted [not relevant to vegetation control.] b. (9) Vegetation control out to a minimum of 100 yards. c. through d. omitted [not relevant to vegetation control.]

5. Omitted [not relevant to vegetation control.]

6. Vegetation control must be vigorously nursed to reduce or eliminate avenues of approach to the installation perimeter and resources.

7. through 9. Omitted [not relevant to vegetation control.]

10. The following actions have been taken by this organization to enhance the base defense posture:

a. through d. omitted [not relevant to vegetation control.]

259

e. Requested more vigorous vegetation control support. [NOTE: this is a reference to the request to the local 432nd Civil Engineering Squadron.] f. through j. omitted [not relevant to vegetation control.] k. Requested authority from Thai Base Commander to remove on-base vegetation. l. Requested vegetation control support from Continental Air Service.

For the Commander Signed George B. Norwood, Major, USAF Chief, Security Police

[NOTE: It appears that all vegetation control, both inside and outside of the base has to be approved through Thailand’s authorities. At this time (Jul-Dec 1971), there still is no vegetation control program conducted by USAF personnel for Udorn.]

432nd Tactical Reconnaissance Wing, July through December 1971, Volume 4 (AFHRA Call Number K-WG-432-HI, Jul-Dec 1971, V. 4, IRIS Number 902830):

Historical Data Record, 432nd Civil Engineering Squadron, Jul-Sep 1971:

Page 7, Engineering and Construction (DEE): Significant Achievements:

September 1971: 1. Project placed in procurement: Vegetation Control Service Request

Page 8: 1st Lt Pearce went TDY to the Thailand Procurement Center, Bangkok, for period of 9 to 11 September 1971. The purpose of the trip was to coordinate and engineer the Vegetation Control Service Request.

[NOTE: The above shows the seriousness that vegetation control is starting to get at Udorn. However, the base is not allowed to conduct the vegetation control on its own, but must get support from the Thai government via the U.S. military assistance group at Bangkok. By the end of September 1971, no vegetation control program exists at Udorn and certainly no herbicides are being used.]

Historical Data Record, 432nd Civil Engineering Squadron, Oct-Dec 1971:

[NOTE: No mention of vegetation control in the main body of the history.]

Report of PACAF Civil Engineering Staff Assistance Visit (6-8 December 1971), dated 8 December 1971, Tab D, Item #7: Udorn RTAFB, Thailand, Subject: Munition Storage Area:

1. Discussion: Erosion control and vegetation control in munitions barricades is good except from some holes that might be caused by rodents.

260

2. Recommendation: a. Entomologist should determine if rodents are a problem and take action to exterminate them.

Historical Data Record, 432nd Security Police Squadron, Jul-Sep 1971:

[NOTE: No mention of any vegetation control in this history.]

Historical Data Record, 432nd Security Police Squadron, Oct-Dec 1971:

Page 3, Operational Activities: The grass around the Base perimeter has been burned off to improve the protection capabilities of Base Defense personnel.

Page 4: Alpha Sector was cleared of vegetation to allow greater observation by Base Defense personnel within that sector.

[NOTE: By the end of December 1971, the means of vegetation control at Udorn was still burning. No herbicides were used by this time.]

432nd Tactical Reconnaissance Wing 1 January through 31 March 1972 history, Volume 1 (AFHRA Call Number K-WG-432-HI, Jan-Mar 1972, V. 1, IRIS Number 1009202):

Page 95, Security: Burning of vegetation around the perimeter continued throughout the quarter in an effort to maintain proper vegetation control. Efforts were also made, without result, to get approval to spray these areas before the rainy season in order to minimize the rainy season’s effects on the vegetation program.

432nd Tactical Reconnaissance Wing 1 January through 31 March 1972 history, Volume 4 (AFHRA Call Number K-WG-432-HI, Jan-Mar 1972, V. 4, IRIS Number 1009205):

Historical Data Record, Base Procurement Office, Jan-Mar 1972:

[NOTE: No mention of any vegetation control or herbicide issues in this history.]

432nd Tactical Reconnaissance Wing 1 January through 31 March 1972 history, Volume 5 (AFHRA Call Number K-WG-432-HI, Jan-Mar 1972, V. 5, IRIS Number 1009206):

Historical Data Record, 432nd Civil Engineering Squadron, Jan-Mar 1972:

[NOTE: No mention of any vegetation control or herbicide issues in this history.]

Historical Data Record, 432nd Security Police Squadron, Jan-Mar 1972:

Page 3, Operational Activities:

261

The burning of vegetation around the perimeter continues in an effort to maintain proper vegetation control. Efforts are being made to receive appropriate approval to spray these areas, before the rainy season, in order to minimize the vegetation problem.

[NOTE: By the end of March 1972, the means of vegetation control at Udorn was still burning. No herbicides were used by this time and the history specifically mentions that approval for spraying herbicides had not been granted.]

432nd Tactical Reconnaissance Wing 1 April through 30 September 1972 history, Volume 1 (AFHRA Call Number K-WG-432-HI, Apr-Sep 1972, V. 1, IRIS Number 902832):

Page 116-120, Base Security:

[NOTE: Bunkers, lighting, guard towers and perimeter road repairs highlight this period, but no mention is made of any vegetation control in either the 432nd Civil Engineering histories or the Security Police Squadron portion of the Wing history concerning base perimeter improvements.]

432nd Tactical Reconnaissance Wing 1 April through 30 September 1972 history, Volume 3 (AFHRA Call Number K-WG-432-HI, Apr-Sep 1972, V. 3, IRIS Number 902834):

Supporting Document 49, Historical Data Record, 432nd Civil Engineering Squadron, Apr-Jun 1972:

April 1972: Page 4, DEP (Program Development): Program Development revised and sent to TPC the Non-Personal Service Contracts for Vegetation Control and Custodial Services. The NPS contract for Mr. Clean was also written, but will be processed by the base.

[NOTE: This appears to refer to normal grass cutting and hedge trimming inside the base-type of contract, not perimeter fence vegetation control.]

[NOTE: No mention of vegetation control in the May or June 1972 monthly reports.]

Supporting Document 50, Historical Data Record, 432nd Civil Engineering Squadron, Jul-Sep 1972:

July 1972: Page 2, Visits: DEM: Mr. Gaddy, Chief of Entomologies, Trans-Asia Corp, visited to investigate spraying schedule and to set up new procedures for control of mosquitoes on the Base.

[NOTE: The above is included in case some personnel were confused about mosquito spraying and herbicide spraying.]

262

August 1972: Page 1, Visits: DEM: Entomology Section received visits from Mr. Gaddy, Chief of Entomologies, Trans-Asia Corp. and Capt Bierly, 13th AF Bioenvironmental Officer, in conjunction with base mosquito control.

[NOTE: No mention of vegetation control in the July through September 1972 monthly reports.]

432nd Tactical Reconnaissance Wing 1 October through 31 December 1972 history, Volume 1 (AFHRA Call Number K-WG-432-HI, Oct-Dec 1972, V. 1, IRIS Number 902835):

Page 92, Base Security: [NOTE: Udorn was attacked on the early morning of 3 October 1972]

The attack pointed up areas in the base defense system which needed improvement. The Combat After Actions Report of the attack recommended that vegetation control be continued on base and initiated off-base…

Supporting Document 4, Combat Operations After Action Report, dated 3 November 1972, for the attack on Udorn RTAFB, on 3 October 1972 at 0050 hours in the morning:

Page 8, Evaluation of Overall Operation: Areas where improvement is required: Vegetation control efforts must be continued on base, and initiated off base.

[NOTE: This insinuates that there was some sort of vegetation control on base side of the perimeter fence line, but it does not explain how this control was conducted, i.e. cutting, burning, and/or using herbicide. It is clear that no vegetation control was occurring on the other side of the perimeter fence line.]

432nd Tactical Reconnaissance Wing 1 October through 31 December 1972 history, Volume 2 (AFHRA Call Number K-WG-432-HI, Oct-Dec 1972, V. 2, IRIS Number 902836):

Supporting Document 17, Historical Data Record, 432nd Civil Engineering Squadron, Oct-Dec 1972:

[NOTE: No mention of vegetation control in the October through December monthly reports.]

December 1972: Page 2: On 1 January 73, Trans-Asia, Inc., takes over the Operations and Maintenance Branch operation as well as part of Programs.

432nd Tactical Reconnaissance Wing, 1 January through 31 March 1973, Volume 1 (AFHRA Call Number K-WG-432-HI, Jan-Mar 1973, V. 1, IRIS Number 902837):

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Page 83, Base Security: During the quarter the long awaited vegetation control program was put into effect and completed. This project called for the establishment of a 200-meter vegetation free perimeter around the entire circumference of Udorn RTAFB. The purpose of this clear area was to increase the field of view of the sentries and to deny cover to hostile forces. This project was completed with the help of Civic Actions who, in exchange for the local villagers’ cooperation in the removal of the vegetation from the perimeter area, rewarded them with an unspecified number of electric power poles and their crosspieces.

[NOTE: the above appears to insinuate that the local villagers removed vegetation away from the outside of the perimeter fence. There is no hint that herbicides were provided to or used by the villagers. In all probability, mowing and cutting was the method used to obtain quick results.]

432nd Tactical Reconnaissance Wing, 1 April through 30 June 1973, Volume 1 (AFHRA Call Number K-WG-432-HI, Apr-Jun 1973, V. 1, IRIS Number 902840):

[NOTE: No mention of vegetation control or perimeter fence issues in this volume.]

432nd Tactical Reconnaissance Wing, 1 April through 30 June 1973, Volume 3 (AFHRA Call Number K-WG-432-HI, Apr-Jun 1973, V. 3, IRIS Number 902842):

[NOTE: No mention of vegetation control or perimeter fence issues in this volume of squadron and office histories.]

[NOTE: There are no Security Police or Civil Engineering Squadron historical data reports in this history.]

432nd Tactical Reconnaissance Wing, 1 July through 30 September 1973, Volume 1 (AFHRA Call Number K-WG-432-HI, Jul-Sep 1973, V. 1, IRIS Number 902843):

[NOTE: No mention of vegetation control at the perimeter fence. New lighting system utilized on the perimeter fence is discussed, but no herbicide or foliage control issues noted in this history.]

264

Udorn RTAFB, July 1973.

265

432nd Tactical Reconnaissance Wing, 1 July through 30 September 1973, Volume 2 (AFHRA Call Number K-WG-432-HI, Jul-Sep 1973, V. 2, IRIS Number 902844):

[NOTE: No mention of herbicide in the Base Procurement Office or the Budget Office historical data reports.]

432nd Tactical Reconnaissance Wing, 1 July through 30 September 1973, Volume 3 (AFHRA Call Number K-WG-432-HI, Jul-Sep 1973, V. 3, IRIS Number 902845):

[NOTE: No mention of herbicide in the Base Procurement Office or the Budget Office historical data reports (copies of what is in Volume 2).]

[NOTE: There are no Security Police or Civil Engineering Squadron historical data reports in this history.]

432nd Tactical Reconnaissance Wing, 1 October through 31 December 1973, Volume 1 (AFHRA Call Number K-WG-432-HI, Oct-Dec 1973, V. 1, IRIS Number 902846):

[NOTE: No mention of vegetation control or perimeter fence issues in this volume.]

432nd Tactical Reconnaissance Wing, 1 October through 31 December 1973, Volume 2 (AFHRA Call Number K-WG-432-HI, Oct-Dec 1973, V. 2, IRIS Number 902847):

Tab 31, 432nd Security Police Squadron Historical Data Report, Oct-Dec 1973:

[NOTE: No herbicide issues discussed, only the installation of Variable Frequency Processors, a seismic detectors which were used in perimeter defense of the base, at the perimeter fence.]

[NOTE: No mention of herbicides or perimeter fence issues in the 432nd Civil Engineering Squadron historical data report.]

432nd Tactical Reconnaissance Wing, 1 January through 31 March 1974, Volume 1 (AFHRA Call Number K-WG-432-HI, Jan-Mar 1974, V. 1, IRIS Number 1000035):

[NOTE: No mention of vegetation control or perimeter fence issues in this volume.]

432nd Tactical Reconnaissance Wing, 1 January through 31 March 1974, Volume 2 (AFHRA Call Number K-WG-432-HI, Jan-Mar 1974, V. 2, IRIS Number 1000036):

Appendix V, Document 15, Base Procurement Historical Data Report, Jan-Mar 1974:

266

Document 2, Squadron Commander’s Briefing, Procurement Office Pamphlet, Udorn RTAFB: Page 5, Services Procurement Branch: Perform the acquisition of services, emergency construction, and general maintenance of Air Force equipment.

Non-Personal Services Contracts for Udorn RTAFB:

[Items 1-3 and 5-13 omitted]

4. Vegetation Control

Branch Chief, SSgt Chalkan

[NOTE: The following letter is attached to this pamphlet. However, this letter does not state that any herbicides were used on the perimeter fence at Udorn, only that vegetation control contacts had to be processed by the Base Civil Engineer.]

DEPARTMENT OF THE AIR FORCE Headquarters 432nd Combat Support Group (PACAF) APO San Francisco 96237

17 May 1973

Reply to the Attention of: 432nd CSG/PM

Subject: Authority to Initiate and Approve Purchase Requests

To: All Assigned/Attached Units and Staff Agencies

1. Pursuant to the authority of PACAF Supplement 1, to AFR 70-18 the incumbents of the following positions are hereby delegated authority to initiate and/or approve purchase requests for the items and services indicated:

[NOTE: Only vegetation control issues are extracted and reproduced, below.]

POSTION ITEM OR SERVICE

Base Civil Engineer or Chief, Programs Vegetation Control

2. All units who are not authorized to initiate purchase requests will submit their requirements to the staff agency or commander who would normally supply the item or service from in-house resources. If the staff agency chief or commander cannot furnish the items or service, it will be his responsibility to obtain all necessary Gold Flow [the use of U.S. funds paid to local nationals] approval, funds and/or other administrative authority to obtain the item or services by contract and initiate a purchase request. The purchase request must provide a complete and accurate description of the requested supplies and/or services. The purchase description, on the purchase requests, must set forth those salient physical, functional or other characteristics of the item or service which are essential to the needs of the Government.

267

3. All purchase requests estimated to be $2,500.00 or more must be approved by the Base Commander/Deputy Commander or his designee with the exception of approval authority granted to the Chief of Supply as set forth in AFB 67-1, Volume II, Part Two, as supplemented.

4. Purchase requests will be prepared sufficiently in advance of required dates to allow for required approvals, funds citation, review, procurement solicitation time, contract preparation and contract approval. Purchase requests of less than $2,500.00 require a lead time of five (5) days. Those for more than $2,500.00 but less than $40,000.00 require a lead time of forty-five (45) days. A lead time of sixty (60) days is required for purchase requests in excess of $40,000.00. With sufficient justification, lead times may be reduced if approved by the Base Commander.

5. This letter does not constitute authority for any purchase. Specific authority for each procurement must be cited in the appropriate section of the purchase requests. This policy remains in effect until rescinded or superseded.

KENNETH E. HARRISON, Colonel, USAF Commander

Appendix V, Document 20, 432nd Security Police Squadron Historical Data Report, Jan-Mar 1974:

[NOTE: No mention of the perimeter fence, vegetation control or herbicide use in this history.]

432nd Tactical Reconnaissance Wing, 1 January through 31 March 1974, Volume 3 (AFHRA Call Number K-WG-432-HI, Jan-Mar 1974, V. 3, IRIS Number 1000037):

Appendix V, Document 29, 432nd Civil Engineering Squadron Historical Data Report, Jan-Mar 1974:

Page 2, Organization: The Contract Management Branch assumed monitoring responsibilities for four service contracts (septic tank pumping/grease trap cleaning, custodial service, litter policing, and vegetation control), plus refuse collection performed through RTAF channels.

Attachment 2, Commander’s End of Tour Report, 1 March 1974: 3. Other major Civil Engineering accomplishments since March 1973 include: f. Erection of the base perimeter security fence and the flight-line security fence, by Red Horse.

[NOTE: The vegetation control noted in the above probably also included grass cutting, shrub shaping and leaf collection, as well as any perimeter fence

268 vegetation control issues. However, no specific mention is made about the vegetation control around the perimeter fence in this history.]

Appendix V, Document 32, Comptroller Division Historical Data Report, Jan-Mar 1974:

[NOTE: No mention of herbicide, vegetation control or perimeter fence issues.]

432nd Tactical Reconnaissance Wing, 1 April through 30 June 1974, Volume 1 (AFHRA Call Number K-WG-432-HI, Apr-Jun 1974, V. 1, IRIS Number 1001349):

Page 70, Facilities: Udorn RTAFB is functionally and physically separated into two divisions: the operational (or industrial) side to the south of the runway, and the cantonment (or support) side to the north. The operational areas continued to be jointly shared by both the USAF and the RTAF units.

Page 72, Self Help Construction: A special detail was assigned to improve base defensive positions. Second or third layers of sand bags were placed on bunker roofs, protective stand-off fencing was re-erected, and additional sand bags were placed along the sides of bunkers and building fighting positions. Towers were also numbered for more rapid identification.

[NOTE: No mention is made of perimeter fence issues or the use of herbicide in this volume of the history.]

432nd Tactical Reconnaissance Wing, 1 April through 30 June 1974, Volume 3 (AFHRA Call Number K-WG-432-HI, Apr-Jun 1974, V. 3, IRIS Number 1001351):

Document 11, 432nd Security Police Squadron Historical Data Report, Apr-Jun 1974:

Page 7, Facilities: In May a special detail made improvements in defensive positions. Tasks accomplished included putting a second or third layer of sandbags on the roofs of bunkers, re-erecting protective screening against stand-off attacks, laying additional sandbags along the sides of bunkers and building sandbag fighting positions at posts which had none. Additionally, most of the observation towers had numbers painted on them for more rapid base familiarization.

[NOTE: No mention is made of perimeter fence issues or the use of herbicide in this volume of the history.]

Document 12, 432nd Civil Engineering Squadron Historical Data Report, Apr-Jun 1974:

Page 6, Service Contract Management:

269

The Contract Management Branch officially assumed the responsibility of monitoring all Civil Engineering service contracts as of 1 April 1974. Major performance discrepancies were immediately detected in the vegetation control and custodial services contracts. With the onset of the rainy season, the vegetation control contract did not keep pace with the grass because of inadequate numbers of both personnel and equipment.

Page 7: As a result, Contract Management devised a system of dividing the contracted vegetation control areas into zones to provide for daily quantitative evaluation of contractor performance. This now enables us to compute the number of acre- months not properly maintained in accordance with vegetation control contract specifications. As of 30 June, the contractor still has not employed sufficient numbers of personnel or obtained the specified equipment necessary to maintain 100% of the contracted areas within the specified limits. Also all of the equipment which the contractor does utilize is not properly equipped with guards to prevent injuries to personnel and debris from being thrown onto paved areas including runways and taxiways.

[NOTE: This appears to address a local national contractor who would mow the grass inside the base, as opposed to keeping vegetation away from the perimeter fence. The use of mowers is indicated by the concern of a lack of safety guards and the fear of “debris from being thrown onto paved areas”. It does not appear that herbicides play a part in this contractor’s vegetation control efforts.]

432nd Tactical Reconnaissance Wing, Minor Deficiency Report by the Pacific Air Forces Inspector General, 15 April 1974 (AFHRA Call Number K- WG-432-SU-RE, 15 Apr 1974, IRIS Number 1009273):

Page 6, 432d Munitions Maintenance Squadron, Storage and Handling: Vegetation control around pads within storage revetments required improvement.

[NOTE: Once again it is the munitions storage area that receives higher headquarters attention. Unfortunately, the report does not say anything meaningful to determine what type of vegetation control is needed. It may have only been poor mowing techniques noted.]

432nd Tactical Reconnaissance Wing, Pacific Air Forces Inspector General, Management Effectiveness Inspection Report, 15 April 1974 (AFHRA Call Number K-WG-432-SU-RE, 15 Apr 1974, IRIS Number 1009264):

[NOTE: There is nothing in this report noting the vegetation control measures at Udorn. Of all the numerous write-ups, vegetation control, or the lack of it, is not mentioned. Apparently, there was no problem with vegetation control at the perimeter fence, although sandbags, bunkers, and guarding a temporary gate in the perimeter fence used for new construction were discussed.]

432nd Tactical Reconnaissance Wing, 1 July through 30 September 1974, Volume 1 (AFHRA Call Number K-WG-432-HI, Jul-Sep 1974, V. 1, IRIS Number 1002927):

270

[NOTE: No mention is made of perimeter fence issues or the use of herbicide in this volume of the history.]

432nd Tactical Reconnaissance Wing, 1 July through 30 September 1974, Volume 3 (AFHRA Call Number K-WG-432-HI, Jul-Sep 1974, V. 3, IRIS Number 1002929):

Document 1, 432nd Civil Engineering Squadron Historical Data Report, Jul-Sep 1974:

Page 5, Service Contract Management: Major performance discrepancies continue to be identified in certain service contracts, primarily vegetation control. All three months of the first quarter of FY witnessed unsatisfactory performance by this contractor. His failure to employ the proper number and types of laborers and equipment was repeatedly documented as the direct cause for the contractor’s non-performance.

Attachment 2, End of Tour Report by Lt Col Harry E. Halac, Base Civil Engineer: Almost all base facilities were rapidly constructed on too little land to accommodate an expeditionary mission not expected to exceed three years. These facilities generally are now approaching ten years in age; they violate all regulatory siting criteria for explosives quantity and distance, environmental noise, fire safety, and air base defense/security. Because of tenure uncertainty, little if any significant facilities upgrading has been approved/funded by PACAF for the past several years. The net result has been that whatever major facilities improvements have been made recently have had to be accomplished within the BCE’s 5% in-house (contract) minor construction (MC) labor restriction, augmented by self-help efforts and a few minor contract projects.

While I would agree that these resource avenues are grossly inadequate to fully convert a temporary, expeditionary base into a semi-permanent one, it should be recognized that the current minor construction constraints we face have been imposed quite intentionally; first by Congress through its enactment of 10 U.S.C. 2674 to prevent subversion of the military construction legislative process, and subsequent pressure upon the DOD to reduce Gold Flow and our military presence on the Asian continent; DOD and USAF, in turn, have exercised their control in this area by imposing facility project approval (dollar) limits and the 5% in-house MC labor restriction to prevent excessive use of the O&M appropriation (P400) to perform facilities construction normally authorized and funded from the Military Construction appropriation (P 300). Thus these two constraints are based on both the letter and intent of statute, 10 U.S.C. 2674, and are not to be taken lightly. Further, PACAF and 13AF have repeatedly cautioned us in recent months to limit our facilities work to that deemed minimum essential to support the mission.

Page 2: The generally poor condition of base facilities, coupled with limited funding for major improvements, is obviously the BCE’s principal challenge, followed closely by the large, almost total extent to which CE work must be done by contract

271 forces, which tends to inhibit our responsiveness to short-term work requirements unless directly related to the flying mission.

Under the circumstances, Trans-Asia’s responsiveness has been better than we have any contractual right to expect, thanks in large measure to the attitude and exceptional cooperation of their site manager, Mr. Castleberry. I wish I could say the same for our services and project contractors, who have caused us considerable difficulties at one time or another. Compounding the frequently marginal performance of inadequate responsiveness of these all-Thai contractors is the fact that their contracts are centrally administered exclusively through PACAF Procurement Center (PPC) in Bangkok, causing attendant delays in resolving performance deficiencies, if such deficiencies are resolved at all. Many are not.

It is interesting to note that the Navy’s local OICC obtains generally better contractor performance here than does the Air Force, particularly on small contract projects. I attribute this almost exclusively to OICC’s contracting authority to render binding contractual decisions on a daily basis at the local job site. The contractors generally responds well to such authority; they don’t (and haven’t) to us, with a few exceptions.

[NOTE: I included the above to illustrate the limitation of funds and the unresponsiveness of Thai contractors to provide a background as to why the vegetation control, a locally contracted but Bangkok managed program may not have had the highest priority and importance.]

Document 3, 432nd Security Police Squadron Historical Data Report, Jul-Sep 1974:

Page 4, Operations: Coordination with Civil Engineers and the base Fire Department resulted in a joint effort to control vegetation by burning.

[NOTE: The contract for vegetation control (mowing) must be for the inside of the base, while burning would be for the base perimeter. Either way, herbicides were not used in these efforts to control vegetation.]

[NOTE: the histories of the Base Procurement Office and the Base Comptroller were reviewed and no mentions of vegetation control or perimeter fence issues were noted.]

432nd Tactical Fighter Wing, 1 October through 31 December 1974, Volume 1 (AFHRA Call Number K-WG-432-HI, Oct-Dec 1974, V. 1, IRIS Number 1005237):

Foreword: The wing’s name changed from the 432nd Tactical Reconnaissance Wing to the 432nd Tactical Fighter Wing (TFW) in November with no change in the mission requirements or training role of the F-4D/E squadrons.

272

[NOTE: No mention of any perimeter fence issues or herbicides in this volume of the history.]

432nd Tactical Fighter Wing, 1 October through 31 December 1974, Volume 3 (AFHRA Call Number K-WG-432-HI, Oct-Dec 1974, V. 3, IRIS Number 1005239):

Document 4, 432nd Civil Engineering Squadron Historical Data Report, Oct-Dec 1974:

Page 4, Status of Minor Construction Work: The in-house minor construction backlog continued to be a serious problem area. If no further work requests were approved, enough minor construction approved work existed to carry through to December 1975. At the end of December 1974 a letter was received from 13AF/CC to 432TFW/CC which directed that all minor construction work be cancelled unless specifically approved by 13AF as mission essential. A facilities board will be convened in January 1975 to purge all minor construction work possible.

[NOTE: I include the above to show how tight funding was for the bases in Thailand.]

Page 7, Service Contracts: No major problems exist with the service contracts. The vegetation control and Mr. Clean contracts have been satisfactory.

[In regards to trash pickup] Due partly to change of Thai Base Commanders the service improved during the month of December.

[NOTE: It appears that the change of Thai commanders had a beneficial effect on the numerous service contracts, such as vegetation control. It would appear that this vegetation control was the mowing of the grass and clipping of the hedges and removal of downed tree limbs on the base and not associated with the perimeter fence vegetation control, which last quarter was dealt with by burning via CE and SP personnel.]

Document 6, 432nd Security Police Squadron Historical Data Report, Oct-Dec 1974: [NOTE: No mention of any perimeter fence issues or herbicides in this volume of the history.]

[NOTE: the histories of the Base Procurement Office and the Base Comptroller were reviewed and no mentions of vegetation control or perimeter fence issues were noted.]

432nd Tactical Fighter Wing, 1 January through 31 March 1975, Volume 1 (AFHRA Call Number K-WG-432-HI, Jan-Mar 1975, V. 1, IRIS Number 1006817):

Page 104, Facilities, Abstract:

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Labor cost for both custodial and vegetation control services were increased with monies transferred from the maintenance budget.

Page 115, Thai Service Contracts: Service contract problems were at a minimum this quarter with labor costs for both custodial and vegetation control increased. Monies were transferred from the maintenance budget to cover the new costs. The vegetation contractor had to increase his labor force in anticipation of the upcoming rainy season, when grass growth was more rapid.

[NOTE: So there you have it—the vegetation control contract is more about mowing the grass on the base. Herbicides were not used to do this and there is no mention of perimeter fence issues and vegetation control in this volume of the history.]

432nd Tactical Fighter Wing, 1 January through 31 March 1975, Volume 3 (AFHRA Call Number K-WG-432-HI, Jan-Mar 1975, V. 3, IRIS Number 1006508):

Document 4, 432nd Civil Engineering Squadron Historical Data Report, Jan-Mar 1975:

Page 4, Service Contracts: No major problems were encountered with the service contracts during this quarter. The labor costs of both the Custodial and the Vegetation Control contracts were significantly increased on 1 January 1975, funds were actually transferred from the maintenance budget to cover the new costs. Unfortunately, the base did not seem to recognize the problem and the BCE was continually tasked to extend janitorial and grass cutting services to new areas of the Base. Currently, the Squadron is hard pressed to meet the existing costs much less to extend the service.

Page 5: The vegetation contractor, after some prodding by the contract monitor and the BCE, began to expand his work force in anticipation of the rainy season. The rain causes the grass to grow much faster; and thus, more personnel are required to cope with it.

Document 6, 432nd Security Police Squadron Historical Data Report, Jan-Mar 1975:

[NOTE: No mention of any perimeter fence issues or herbicides in this volume of the history.]

[NOTE: the histories of the Base Procurement Office and the Base Comptroller were reviewed and no mentions of vegetation control or perimeter fence issues were noted.]

432nd Tactical Fighter Wing, 1 April through 30 June 1975, Volume 1 (AFHRA Call Number K-WG-432-HI, Apr-Jun 1975, V. 1, IRIS Number 1007430):

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Page 126, Facilities, Abstract: The Wing hired local Thai Nationals after being informed by higher headquarters that the Trans-Asia contract would be terminated by 30 Jun 75. A Prime Beef civil engineering (CE) work team deployed from the CONUS for 120 days to augment the supervisory force. Because of tenure uncertainty, manpower at PACAF only authorized a caretaker work force of U.S. military and Thai National civilians.

With a shortened USAF tenure at Udorn, only mission essential maintenance, repairs and alterations were accomplished with CE using only 4.95 percent of available direct labor for minor construction.

Page 134, Trans-Asia Contract Termination: During May, the Wing was informed by higher headquarters that the Trans-Asia contract would be terminated on 30 Jun 75. Trans-Asia maintained most of the facilities at Udorn RTAFB. With the elimination of the company’s services, the Wing was authorized to hire local Thai Nationals (TN) that were previously hired by the company to create a work force for the 432 Civil Engineering Squadron (CES) and revert back to a mixed force of U.S. military supervisors and TN workers. CE hired key former U.S. civilian employees of Trans-Asia as government workers; there being water treatment supervisors, and two power production supervisors providing the nucleus of solid supervision from the transition from contract in-house operation in the basic utilities required for base operations.

Page 135, Facilities Surveyed: With the inactivation of two flying squadrons and the 432RTS during the quarter, the Wing categorically began preparing for base phase down.

Essential Maintenance: In light of shortened USAF tenure at Udorn RTAFB, only mission essential maintenance, repairs and alterations were accomplished.

[NOTE: I include the above to illustrate the tenuous nature of the USAF presence at Udorn, and the mindset that the USAF was going to quickly leave this installation. Therefore it is not surprising that there is no mention of vegetation control or perimeter fence issues or herbicides in this volume of the history.]

432nd Tactical Fighter Wing, 1 April through 30 June 1975, Volume 3 (AFHRA Call Number K-WG-432-HI, Apr-Jun 1975, V. 3, IRIS Number 1007432):

Document 13, 432nd Civil Engineering Squadron Historical Data Report, Apr-Jun 1975:

Page 1, Introduction: The squadron continued to operate, while curtailing minor construction and non- mission essential work, to meet the USAF directed goals and prepare for the potential draw down. With the announcement through news media that the base would be closed by March of 1976, preparation for transferal of USAF real

275 property and equipment items to the Royal Thai Air Force (RTAF) and/or other USAF bases was continued with increased emphasis by the Programs Branch.

Page 9, Controlled Vegetation Burning: Due to the extremely thick vegetation growth inside the concertina wire of the security fences surrounding the base munitions areas and the increased security precautions placed on the base by project “Corona Lock,” a coordinated effort was made by Civil Engineering and Security Police Squadrons to obtain permission to burn this vegetation. Delays in obtaining the necessary clearance, for which an operations plan for the burn was required by 13AF/LG, delayed the operation until after the beginning of the rainy season. Due to the heavy rains and very moist vegetation, burning has been delayed until the end of the rainy season.

[NOTE: Corona Lock was the codename for the program which covered increased security of arms and munitions program—all “P” coded munition items. The rainy season would last until October 1975. Once again, burning was the preferred method of dealing with vegetation around fences—not herbicides.]

Page 13, Service Contracts: The Vegetation Control and Base Policing (“Mr Clean”) contracts were satisfactory although not as responsive as desired. The contractor (holding both contracts) failed to provide the needed personnel until prodded and, let his mowing equipment deteriorate to the level that only 50 percent was generally available for him to provide the service. Strong discussions with contractor representatives rectified this situation.

[NOTE: Once again it is shown that mowing the grass was the primary purpose of the service contract. Herbicides are not discussed and probably was not used by the service contractor.]

Document 14, 432nd Security Police Squadron Historical Data Report, Apr-Jun 1975:

[NOTE: No mention is made of perimeter fence issues, vegetation control or herbicide use in this history.]

[NOTE: The base comptroller and procurement office historical reports were also reviewed and there was no mention made of perimeter fence issues, vegetation control or herbicide use in their histories.]

432nd Tactical Fighter Wing, 1 July through 23 December 1975, Volume 1 (AFHRA Call Number K-WG-432-HI, 1 Jul-23 Dec 1975, V. 1, IRIS Number 1011341):

Page 103, Facilities, Abstract: As directed by higher headquarters, only mission essential maintenance, repair, and alterations were accomplished at Udorn RTAFB in view of the shortened USAF tenure at the base.

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[NOTE: No perimeter fence issues or vegetation control or herbicide use is mentioned in this volume of the history.]

432nd Tactical Fighter Wing, 1 July through 23 December 1975, Volume 5 (AFHRA Call Number K-WG-432-HI, 1 Jul-23 Dec 1975, V. 5, IRIS Number 1011345):

Document 5, 432nd Civil Engineering Squadron Historical Data Report, Jul-Sep 1975:

[NOTE: No mention of perimeter fence, vegetation control or herbicides made in this history. The base close down overshadowed all other topics.]

Document 6, 432nd Civil Engineering Squadron Historical Data Report, Oct-Dec 1975:

Introduction: After the official announcement of the base closure all work except for that directly related to the flying mission or base closure was terminated.

Page 6, Engineering and Construction: In order to increase the security of the base fence line it was decided to burn off the grass which had overgrown the concertina fences. The burning operation commenced on 15 Oct 75, and continued thru 20 Nov 75. In all over 5.7 miles of concertina fence was burned. Included in this was the perimeter fence, the fence around the Base Supply complex, and the perimeter fence around the New Ammo Storage Area. Burning the grass in the fence around the New Ammo Area required an operation involving two firemen, five security police, five MMS personnel, and three Civil Engineering Personnel.

[NOTE: Once again burning was the preferred method of removing vegetation from the perimeter fence. No herbicides were utilized, obviously, since burning became the solution for the overgrowth.]

Document 11, 432nd Security Police Squadron Historical Data Report, Jul-Sep 1975:

[NOTE: No mention is made of any perimeter fence issues, vegetation control or herbicide use in this history.]

Document 12, 432nd Security Police Squadron Historical Data Report, Oct-Dec 1975:

Page 2, Operations: On 24 November 1975, security responsibility for the old MMS area was released to the RTAF by USAF Security Forces. Additionally all towers were turned over to the RTAF as well. On 25 December 1975, the Royal Thai Air Force assumed security responsibility for the perimeter of Udorn. All perimeter bunker and tower structures were turned over at this time. The 432 Security Police Squadron went from an Air Base Defense concept to a resources protection postured.

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[NOTE: With the transfer of base defense to the Royal Thai Air Force, perimeter defense issues, such as vegetation control, passed from the USAF to the RTAF. Therefore, base histories that cover the complete closing of Udorn (15 March 1976) will not be expected to have any such information, and it is doubtful the RTAF conducted any vegetation control and probably did not use herbicides.]

432nd Combat Support Group, 24 December 1975 through 15 March 1976, Volume 1 (AFHRA Call Number K-WG-432-HI, 24 Dec 1975-15 Mar 1976, V. 1, IRIS Number 1011581):

Chronology: November 1975 24 Security responsibility for the 432MMS area was released by the 432 SPS to the RTAF.

December 1975 25 The RTAF assumed security responsibility for the Udorn RTAFB perimeter.

January 1976 31 A ceremony was held to officially close American operations at Udorn RTAFB and turn over U.S. facilities to the RTG.

February 1976 21 The last USAF personnel departed Udorn RTAFB following completion of all retrograde activities.

29 Transfer of all equipment and material was completed and the Udorn Thai-Am Facility was disestablished.

March 1976 15 The 432CSG was officially inactivated at Udorn RTAFB. Also on that date, the 432CES, 432SPS, 432MMS, 432d Supply Squadron, 432d Transportation Squadron, and the 432d USAF Hospital were also inactivated at Udorn RTAFB.

Page 8, Security: A force of 138 security policemen was retained to provide resources protection support through the final weeks of base closure. The key factor which allowed this smaller security force was the early takeover of the base perimeter security responsibility by the Royal Thai Air Force (RTAF). On 24 November 1975, security responsibility for the MMS are was released to the RTAF. On 25 December 1975, the RTAF assumed security responsibility for the Udorn RTAFB perimeter. Although all perimeter bunker and tower structures were turned over to the RTAF at that time, the Sabotage Alert Team and Quick Reaction Force response capability was maintained until four weeks prior to final withdrawal.

432nd Combat Support Group, 24 December 1975 through 15 March 1976, Volume 2 (AFHRA Call Number K-WG-432-HI, 24 Dec 1975-15 Mar 1976, V. 2, IRIS Number 1011582):

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Document 2, 432nd Security Police Squadron, 1 Jan – 21 Feb 1976:

[NOTE: No perimeter issues, vegetation control or herbicides are mentioned in this history.]

Document 4, 432nd Civil Engineering Squadron, 1 Jan-21 Feb 1976:

[NOTE: No perimeter issues, vegetation control or herbicides are mentioned in this history.]

Udorn RTAFB Closed—no further USAF presence.

Page 74, U-Tapao RTNAF: Unlike Udorn and Ubon, which suffered from too little battle space, U-Tapao defenses were almost engulfed by territory. Such a massive amount of real estate forced dilution of both people and resources committed to the defense effort.

The base had another unusual problem. There was a Thai village located on the base inside the perimeter. This created difficulties, especially in pilferage control.

Vegetation control was all but impossible over the entire reservation. Vegetation control was further hindered by the inability of the base to get herbicides through supply channels during the entire first half of 1972.

APO: 96330

U-Tapao RTNAF:

635th Combat Support Group, October 1965 through December 1966 (AFHRA Call Number K-GP-SUP-635-HI, Oct 1965-Dec 1966, IRIS Number 444460):

[NOTE: This is the first official history of U-Tapao.]

Page x, Foreword: Approximately $12 million was allocated in October 1965 for design and initial construction of an air base which was to become U-Tapao. Construction starte4d on 1 November 1965 and an additional $44 million was allocated on 15 April 1966 for construction of base essential facilities and for design of follow-on support facilities.

The base was initially operated by the 6237th Support Squadron, which was the forerunner of the 635CSG [activated on 8 July 1966]; the incumbent unit as of 31 December 1966. The 4258th Strategic Wing (4258SW) was assigned to the base as a tenant unit. (The 4258SW was the major tenant unit assigned to U-Tapao Airfield on 31 December 1966 and the only unit directly involved with the air portion of the war over Vietnam).

Chronology: 1965

279

October $12 Million Allocated For New Base.

November 1 Construction Starts on New Base.

1966 May 11 Cantonment Area Construction Started.

22 Longest Runway in South East Asia Completed.

July 8 635th Combat Support Group Activated.

August 10 U-Tapao Dedicated.

December 16 First Airman Dormitory Accepted by Air Force.

Page 5, Organization: Concurrent with the activation of the 635CSG the following organizations were activated and assigned:

HQ 635th Combat Support Group 635th Air Police Squadron 635th Supply Squadron 635th Civil Engineering Squadron 635th Services Squadron 635th Transportation Squadron

Page 30, Building Program: Actual construction of U-Tapao Airfield began on 15 October 1965 with the clearing of jungle growth to start work on a 11,500 foot runway. The runway, the longest in Southeast Asia, was completed on 2 May 1966, with a small portion of the taxiway and Ramp B being completed on 5 July 1966.

Page 32, Facilities for B-52s: During the month of December 1966 word began to circulate that the base was scheduled to receive B-52 Stratofortresses. These rumors and speculations were based on fact. Fifteen of these bombers were slated to be based at U-Tapao during the time frame of February/March 1967.

Page 37, Security: On 18 April 1966 the 6237th Air Police Squadron, (6237AP), the forerunner of the 635th Air Police Squadron (635AP), had three Air Policemen, two TDY Air Policemen and one Thai national guard, who were assigned as the first interior guards at U-Tapao.

During the first phase of building the base there were no physical security facilities at U-Tapao.

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Page 38, Problems: The decision that U.S. personnel would not carry arms while stationed in Thailand had no immediate effect on the performance of the Air Police during the period of this history. The fear however, that this policy would have an adverse effect on the ability of the Air Police to protect the base in the event of an overt attack, was with base officials during the period of this history.

The reasoning behind this decision was that the arming of U.S. Air Policemen, at the same time that the Thai Security Guard Regiment was being activated and deployed, would have shown doubt on the ability of the Thai guards. Arms, however, were allowed to be kept in “readily accessible” locations in the event of an overt attack on the airbase.

This policy was changed on 18 November 1966 to allow commanders to arm personnel in the event of an aircraft accident or dropping of ordnance at a remote site.

Under this policy Security Alert Teams (SAT) responding to a suspected unfriendly intrusion of the airfield are required to investigate with only half the SAT armed. The SAT are composed of equal numbers of U.S. and Thai personnel.

Page 40, U-Tapao Airfield Dedication: On 10 August 1966 the base that had been known unofficially at Ban-U-Tapao Base (RTNAB) and Sattahip RTNAB was officially named as U- Tapao Airfield by Thai Prime Minister His Excellency Thanom Kittikachorn during his dedication address.

[NOTE: There is no mention of any base defense security measures or perimeter fence issues in this history. With the struggles inherent to create a base, such measures as vegetation control just did not exist at this particular moment. According to the 4258th Strategic Wing’s April through May 1967 history (IRIS Number 461479), the first aircraft landed at U-Tapao on 5 July 1966 and the next day the airfield was opened. The official dedication of the U-Tapao Airfield took place on 10 August 1966.]

635th Combat Support Group, January through June 1967 (AFHRA Call Number K-GP-SUP-635-HI, Jan-Jun 1967, IRIS Number 444462):

Page ii, Foreword: The first contingent of three [B-52] bombers arrived here on 10 April 1967, following a raid over South Vietnam. The bombers, who home station was Amarillo AFB [later Dyess AFB], Tex., were launched from and recovered here. The very next day, the first bombing mission was launched from this station.

Page 25, Facilities: U-Tapao Airfield is located in two provinces of Thailand, Cholburi and Rayong, approximately 180 kilometers south of Bangkok, along the Sukhumit Highway.

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Page 26: To construct the base, four engineering type units were originally employed; the 635th Civil Engineering Squadron (635th CES), Prime Beef-17 (SAC), 819th Civil Engineering Squadron (Heavy) (Red Horse), and Dillingham, Zakhary & Kaiser (DZK), the prime construction agency for the building of the airfield. DZK was a triumphant of firms, each one a specialist in their own line of work, i.e., Dillingham, based in Hawaii, was a bridge and waterfront agency, Zachary, operating out of Texas, was a horizontal construction firm responsible for all roads, taxiways and access ways and the runway, while Kaiser was the engineering division of Kaiser Industries.

[NOTE: No mention is made of any vegetation control on this base, as it was still being constructed at this time and base defense issues were very low on the priority of getting the base ready to support the B-52 missions. At this time, no attacks on any Thailand base had ever occurred, and would not happen until April 1968. Therefore there was no sense of urgency in this area.]

635th Combat Support Group, July through December 1967 (AFHRA Call Number K-GP-SUP-635-HI, Jul-Dec 1967, IRIS Number 444463):

Page 35, 13AF IG Inspection: During the period 13-18 Nov 67, the group received its second formal inspection from higher headquarters. The inspection was conducted by the Inspector General of 13 AF.

In the summary evaluation, the IG noted that:

The 635th Combat Support Group had shown considerable improvement since the last general inspection. Base appearance was satisfactory considering the amount of construction in progress, some unpaved streets, the wide use of temporary facilities, lack of vegetation and the dust due to the hot dry climate at this time of year…

Page 36-38, Security: Another major event in the security spectrum was a security study of U-Tapao and the surrounding area, conducted in response to a directive issued by the deputy commander, 7/13AF. Areas covered in the study included the general situation of the security threat in Thailand and the local area; a study of physical resources for protection of the base; the Military Assistance Command Thailand (MACTHAI) security plan for a central-security operations center; incidents off the base which may be attributed to communistic harassment, and conclusions as to the security preparedness of U-Tapao with recommendations for improvement.

Conclusions drawn by the report were:

Although elaborate plans are in the formulation and/or coordination stages for the protection of U-Tapao Airfield, at the present time external defense can only be considered marginal at best. The Royal Thai Navy, which has overall responsibility for security of the Sattahip complex, is ill equipped to perform this

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function. The provincial police can only give token assistance in the surveillance and protection of the area because they are too hampered by manpower, equipment and communications shortages. In order to effectively patrol the off-shore waters, additional patrol boats are needed. An increase in the number of routine armed patrols in areas adjacent to the airfield would present a considerable improvement over the present security posture. The introduction of heavier weaponry to the inventories of local forces, plus the addition of radio communications equipment, would substantially increase response effectiveness.

At present, only the Thai guards are authorized to carry weapons with which to defend category “A” resources. These guards are untested and are under no obligation to place themselves in jeopardy to defend USAF resources. The lack of right to bear arms greatly reduces the military personnel’s ability to protect either the resources he is charged with defending, or his own life.

Since the time of this report, changes in American-Thai relationships and polices have resulted in US military personnel being authorized to carry arms in the performance of their official duties.

Sentry dogs, which are authorized for this installation, were never present for duty during the reporting period.

[NOTE: The above shows that construction was still ongoing for this brand new base and that in the midst of the dry season, vegetation was not growing. Therefore, no spraying of herbicides were undertaken as there was no vegetation to control, no fence to clear vegetation from, and as the security emphasis illustrates, vegetation was not considered a security problem at this time.]

Appendix IV, Historical Report, 635th Civil Engineering Squadron, October through December 1967:

[NOTE: No mention of any vegetation control or any perimeter fence issues are noted in this history.]

Appendix IV, Historical Report, 635th Comptroller, Jul-Dec 1967:

[NOTE: No mention of any contracts for vegetation control in this history.]

Appendix IV, Historical Report, 635th Security Police Squadron, 1 October through 31 December 1967:

Page 1, Training: The Training Section has trained 122 augmentees. The section assembled, posted, and supervised augmentees at critical areas around the jungle on base which resulted in the recovery of much government property and the apprehension of two suspected thieves that had taken concealment in the jungle area.

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Page 2, Security Operations: During October Delta Row, MMS Munitions Storage was released by the Contractor. Security Police personnel provided concertina fencing and armed security for this area. During late November and early December, E and F Row MMS Storage was released by the Contractor. Again security police personnel fenced and armed the areas. During early December, the chain link fencing of the LOX Plant and POL Tank Farm Storage Area was completed. The LOX Plant was marked with restricted area signs and Security was established.

[NOTE: While vegetation was not considered a problem outside of the base, inside the base there was plenty of jungle, enough to hide thieves. As noted above, the jungle was not removed, but instead, guarded. As can be seen above, base defense centered on physical barriers, such as fencing, and not on vegetation control.]

Supporting Document 21, Compiled 635th Combat Support Group Report on USAF Forces at U-Tapao:

Page 16, Construction Program:

Listing of all Major Items Currently Under Construction

Item Scope % Complete BOD

FY67 SMCP

Storage Ammo, Base:

Fence, Boundary 16,000 LF 100 Dec 67

[NOTE: The only fencing or perimeter issues in this history concerns itself with the ammunition area, not the base perimeter fence.]

Supporting Document 23, Annex H, U-Tapao, RTN Airfield Thailand, Base Defense Security Study, 1 September 1967:

Page 2, Local Threat, : The terrain surrounding U-Tapao Airfield is of mountainous and jungle type. The base is bordered on the south by the Gulf of Thailand. This type of terrain would enable mass movement against U-Tapao without detection. An all out attack aimed at overrunning this base is not expected. The type of military activity against U-Tapao would most likely be attack by small armed groups which are supplied and supported by the sympathizers. Based on the attack patterns used by the Viet Cong in Viet Nam against U.S. Air Bases there, these sabotage attacks may materialize at U-Tapao in one of the following ways: Mortar attack and/or ground fire from relatively distant, hidden positions. With each of these attack methods, accompanying infiltration can be expected in order to place satchel charges, throw grenades, spread debris to damage aircraft fires or to run vehicles into parted or taxiing aircraft. These attacks or sabotage attempts could be expected to be carried out by small groups in vehicles operating from the surrounding area. Also, boats operating on the Gulf of Thailand which border the

284 south side of this base, could easily carry small armed groups and their approach could go completely unnoticed. Clandestine attackers on foot, operating out of Sattahip Village could find the much desired cover and concealment. If the political situation deteriorates significantly, U-Tapao is located just ninety miles from the Cambodian border, which makes this base an easy target against any type of attack.

Page 7, Area Security: The mountainous and densely vegetated terrain surrounding U-Tapao greatly compounds the problems of affording adequate protection to the airfield. The proximity of civilian villages, un-acquired civilian land, and uncontrolled sea traffic routes to vital resources further magnify the existing problems. In order to afford the greatest possible degree of protection to the area, a counterintelligence effort, a ground effort (patrols, outposts, a quick reaction force) and a sea patrol are required. The proposed plan outlines measures to be taken to insure that the area is provided optimum security. These measures include the establishment of a Joint Security Operation Center, which would have under its control a Ready Security Force of approximately company size ready for deployment anywhere within the Sattahip area; in addition, joint counterintelligence collection efforts are outlined, and surveillance outposts and sea and land patrols are required to effectively gain information on subversive activities.

Interim Measures: Since it has not been determined when this proposed plan will be fully implemented, interim measures for external defense are needed. The Royal Thai Navy constitutes the greatest deterrent to overt aggressive acts. A company of the RT Marine Corps consisting of 120 personnel are stationed on U- Tapao Airfield and their sole responsibility is to provide patrol coverage for the areas immediately outside the installation’s perimeter. The Thai Navy maintains a battalion (approx 1,000 men) at Sattahip which presumably could also be deployed should an attack occur. The Thai Police in Rayong and Sattahip Provinces periodically check the areas adjacent to the airfield for evidence of Communist Terrorist action and search areas which would provide good mortar positions. These patrols, however, are hampered by the lack of vehicles and communications equipment. This shortage would also seriously affect any response by civil police would an attack occur.

Page 8: As mentioned above, the police in both Sattahip and Rayong have been tasked to patrol the outlying areas in search of any suspicious activity or possible mortar emplacements. This patrol coverage, however, is less than ideal because of equipment shortages. The police in Rayong are particularly hampered by shortages of vehicle and complete lack of radio communications. Many of their patrols are ambulatory and therefore cannot instantaneously relay any vital information they might uncover. The Royal Thai Marine Corps patrols on a regular basis but only in area within close proximity to the base perimeter. They, too, are handicapped by lack of vehicles and radio communications. The Marine Police have one boat which patrols the sea in the vicinity of the MAP and Delong pier, and they also conduct regular coastal patrols in that area in a land rover vehicle.

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Internal Security: The internal security defense situation at U-Tapao Airfield is best described as marginal. This is mainly due to the vast amount of construction and development the base is undergoing at this time.

Page 9: Circulation controls are in effect with limited results. AF Form 1199a (restricted area badge) is used to control entry into the Base Restricted Areas. As there is no base perimeter fence, persons can enter the base freely at almost any point and wander around the base at will.

Security lighting is very sparse. This results in a high theft rate which demonstrates the vulnerability of the base to covert penetration. As was mentioned earlier, there is no base perimeter fence. The new munitions are, new POL Tank Farm, and new Bomber Parking area will be adequately fenced upon completion of area. Concertina wire is placed at several points around the base. More wire needs to be installed in perimeter areas to assist in base security efforts.

[NOTE: The above documents the early construction of U-Tapao, and how the base did not even have a perimeter fence. The study goes on to state that more men, more bunkers, more lights and the ability to arm USAF policemen was the answer, as well as putting up a fence. Although the vegetation was recognized as a source of possible concealment for enemy forces approaching the base, there were no recommendations for any vegetation control made by Headquarters.]

635th Combat Support Group, January through March 1968 (AFHRA Call Number K-GP-SUP-635-HI, Jan-Mar 1968, IRIS Number 444464):

Page 60, Security: The northern perimeter of the base, from the village of Kilosip to the main gate of the base (approximately four miles) is protected by intermittent chain link fencing. From the main gate to the Thai Navy access gate to the east gate of the base there are two rolls of concertina wire with intermittent concertina wire from that point to Kilo 16. On the west side of the base, protection is afforded by a partial fencing of one roll of concertina wire. On the southern side of the base, fencing consists of one roll of concertina wire, broken in several places, from the beach access road to the klong. From the klong to the west gate of the base there is one roll of concertina wire. This stretch of wire is also broken in several places. On the east, the base is fenced by one roll of concertina wire, broken into 20 section.

[NOTE: No mention in the Civil Engineering or Security Police Squadron historical inputs concerning vegetation control.]

635th Combat Support Group, April through June 1968 (AFHRA Call Number K-GP-SUP-635-HI, Apr-Jun 1968, IRIS Number 444465):

Page 37, Entomology:

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As the base was located in a marshy land area, insect control was stressed. Nine personnel from within civil engineers were assigned to pest control on a permanent basis. Prevention methods included fogging each day from 6 pm. Until midnight. Also spraying for control of flies and roaches in all facilities on the base and replenishing of permanent and temporary rat bait stations.

Equipment utilized in this preventive control measure included a one and one- half ton truck with a 40 GPM cold fogging machine mounted on its bed and a two sprayer, frame mounted 180 GPOM termite treatment machine. Thirty-two knapsack sprayers (hand operated) with 2 gallon capacity and eight manual rotary fan dusters were also available for use.

Chemicals which were used in the pest control program consisted of Malathion, Diaxionon 4E, Diasionon Dust, Aerosol 7000 OH and a anticoagulant rat bait. Aircraft aerosol was used for insect control treatment of aircraft departing for the U.S.

Page 47, Security: The base perimeter fence remained the same as in the previous quarter. This included intermittent chain link fence from Kilosip to the main gate. From the main gate on the northern side of the base, past the Thai Navy gate and the east gate to Kilo 16 there were two rolls of concertina wire with intermittent one roll of concertina.

The west side of the base was partially fenced by one roll of concertina and the one roll of concertina on the east side was separated into twenty sections. The south side had one roll of concertina with intermittent fencing of two rolls. The fencing on the south perimeter was broken in several places.

[NOTE: No mention in the Civil Engineering or Security Police Squadron historical inputs concerning vegetation control.]

635th Combat Support Group, July through September 1968 (AFHRA Call Number K-GP-SUP-635-HI, Jul-Sep 1968, IRIS Number 444466):

Page 46, Security: The need for a perimeter fence around U-Tapao was further discussed in a survey made by a U.S. Army Special Forces Team at the end of September 1968. In its survey of base defense, the team’s general findings were that U- Tapao Airfield was an extremely vulnerable installation for two primary reasons. First, it did not have any adequate fencing and no foliation control program. Second, some areas of the base were fenced, but such fencing did not connect with any other obstacle. As a result, entrance could be gained from an unlimited number of directions. The team report noted that an attacking force of virtually any size could enter the base from three directions.

[NOTE: Supporting Document number 52, Survey of U-Tapao RTN/USAF Base, 26 September 1968, is the report noted in the above paragraph. It states:

Annex B, Internal Security, Paragraph 1 a (3):

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The dense vegetation on the north east portion of the base could aid the infiltration of a battalion size force without any problem. This area leads directly to the B-52 parking aprons and the MMS area. The MMS area is fenced with a chain link fence and is well revetted.

Annex B, Paragraph 1 b (2) e: Fields of fire. With the exception of the areas at each end of the runway, there are no cleared fields of fire around or on the base. As mentioned earlier, the excessive amount of foliage around the base could conceal an extremely large force. The lack of any barrier and fields of fire makes the base a completely vulnerable entity.

Annex C, Perimeter Barrier, Paragraph 1: An effort was made to erect a chain link fence in this area (the north western portion), but gaps were left wherever civilian property indented on the perimeter. It was considered too costly to fence in each indented area. As a result a great deal of the fencing has been torn down by local nationals. The remainder of the base perimeter is denoted by the presence of single and triple roles of concertina wire. This wire is generally overgrown with vines and grass and serves no other purpose than to indicate where the perimeter might actually be located.

Annex E, Recommendations, Paragraph 4: Clear Base of all scrub vegetation to include crops being raised by on-base squatters. The presence of the vegetation is detrimental to the development of ay base defense plan.

Paragraph 8 f: Do not construct any more towers. They are a liability and serve no purpose during the most critical time of the day 1900 thru 0500. Monies for this project should be diverted to the clearing of the base foliage.]

[NOTE: U-Tapao had been given a clear warning concerning their vegetation control, or lack of any vegetation control, problem, and was hereby warned of the consequences of not doing something about the foliage surrounding the base.]

[NOTE: Udorn RTAFB was attacked on 26 July 1968, which prompted the below message to be sent to all USAF bases in Thailand:]

56th Special Operations Wing, July through September 1968, Volume 3 (AFHRA Call Number K-WG-56-HI, Jul-Sep 1968, V. 3, IRIS Number 451125):

Supporting Document 67, Message, Deptuy Commander, 7/13 AF, Udorn Afld, Thailand to 8TFW, Ubon; 355TFW, Takhli; 388TFW Korat; 432TRW Udorn; 56ACW, NKP; 6310CSG, Don Muang; 6350CSG, U-Tapao; MACTHAI; 7AF, TSN; 13AF, Clark; HQ PACAF; AMEBM Bangkok, Thailand; American Counsl, Udorn, Subject: Lessons Learned From The Attack on Udorn, 26 Jul 68:

Paragraph 2: Lessons Learned. Following is a discussion of lessons learned. Conclusions are very preliminary and are forwarded without further documentation for the benefit of commanders in Thailand.

288 a. Thai guards performed well as members of joint UJSAF/Thai Teams. It is probably well to maintain the feeling of joint responsibility. b. Lack of perimeter lighting, watch towers, inadequate fencing, weeds, and close perimeter afforded the enemy increased surprise and east of penetration. Selective construction of more bunkers would have enhanced the defense, although care required to avoid making these available to infiltrators.

[NOTE: The rest of the message deals with the need for flare ships, fire discipline, Thai guard and forces support and radio coordination. The final paragraph states:]

Paragraph 3: Commanders will take the following steps:

A. Immediately assess availability of Thai forces to support defense of base. B. Evaluate procedures and communications for coordination of base defense during emergency and make adjustments as possible C. Review training status of USAF and Thai Guards, and initiate retraining on a scheduled basis. D. Take steps to develop a standby flare ship capability at Udorn, Ubon, NKP, and Korat. E. Review base defense plan with an eye to covering critical areas which are adjacent to the perimeter.

[NOTE: In essence, the Deputy Commander of 7/13th Air Force was ordering the base commanders in Thailand the above steps. As can be seen, vegetation or ‘weed’ control would fall under subparagraph E, above, and was the last item mentioned and the least forceful of the ordered steps to take.]

635th Combat Support Group, October through December 1968, Volume 1 (AFHRA Call Number K-GP-SUP-635-HI, Oct-Dec 1968, V. 1, IRIS Number 444468):

Page 43, Security: One item was approved during the quarter which will probably enhance the security posture significantly and decrease the incident rates of unidentified persons on base, pilferage of government supplies and equipment. This was the authorization to design and construct a perimeter fence and road inside the perimeter. The perimeter fence was to be erected of concertina wire, double apron (triple roll) and accomplished by base personnel and resources.

[NOTE: No mention of any herbicide use or any vegetation control measures being taken.]

635th Combat Support Group, January through March 1969, (AFHRA Call Number K-GP-SUP-635-HI, Jan-Mar 1969, IRIS Number 444470):

Appendix IV, 635th Security Police Squadron Historical Data Report, January through March 1969, Page 4, Air Base Defense: Perimeter clearing of portions on East and South boundaries of the installation was accomplished.

289

[NOTE: Unfortunately, it is not recorded how the perimeter was cleared or if herbicides were even used. The term ‘clearing’ indicates a cutting and/or mowing operation, as herbicides do not clear but only kill the vegetation and leaves the refuse in place.]

Thirteenth Air Force, 1 July 1968 through 30 June 1969, Volume 1 (AFHRA Call Number K750.01, FY 1969 (1 Jul 68-30 Jun 69), Vol 1, IRIS Number 899069):

[NOTE: After the attack on Udorn in July 1968, efforts were made to improve base defense in Thailand. The below entry concerns Thailand as a whole as of 28 April 1969:]

Page I-244, Base Defense: Other improvements in the defense posture were authorization for 303 sentry dogs, steps toward a complete conversion of the commercial vehicle fleet to M- Series vehicles; conversion from a single-channel non-tactical network to a dual- channel system; improved weapons inventory including arming all Thai guards with M-16 rifles. Other beneficial steps were constructing physical security aids such as bunkers, gun emplacements, erecting 368,531 linear feet of fixed fortification fencing, and defoliation of perimeter areas.

Thirteenth Air Force, 1 July 1968 through 30 June 1969, Volume 4 (AFHRA Call Number K750.01, FY 1969 (1 Jul 68-30 Jun 69), Vol 4, IRIS Number 899072):

Supporting Document 184, Message, HQ 13AF to CINCPACAF/Commander, 281130Z April 1969, Subject: Base Defense/Security – Thailand:

Page 4 of 5, paragraph 6 d: Defoliation is underway and in various stages of completion.

[NOTE: As can be seen, with only one sentence out of five pages of this message, vegetation control did not merit much discussion. To clear the areas near the perimeter fences quickly to afford a defensive advantage, the foliage would have to be removed quickly. Herbicides do not do this as the debris is still required to be removed. Initial vegetation control was most likely conducted by mowing, cutting, burning, bull-dozing or use of other heavy equipment like road graders.]

635th Combat Support Group, April through June 1969, Volume 1 (AFHRA Call Number K-GP-SUP-635-HI, Apr-Jun 1969, V. 1, IRIS Number 444471):

Page 40, Community Facilities: The only construction cancelled during the quarter was that of the final 3,000 feet of the six-foot chain link boundary fence along the north haul road towards the East Gate. The original scope of the construction was to be 10,000 feet. It was expected that the project would be closed out upon confirmation from the Air Force Regional Civil Engineer.

290

Appendix IV, 635th Security Police Squadron Historical Data Report, April through June 1969, Page 2, Air Base Defense: The northern area of the B-52 area was re-located and given a permanent boundary. The area now includes the Fire Station and the East Side AGE [aerospace ground equipment] Area. The boundary was constructed by SP and TG [Thai Guard] personnel employing 10,800 linear feet of used concertina wire to make a triple strand perimeter. Another 2,800 linear feet was placed on the south side of the US Navy Ramp. Numerous other repairs were made in the concertina perimeter and approximately 8,000 linear feet of concertina was laid on many unfenced areas.

10-16 feet tall grass inside the MMS [munitions maintenance squadron] Area was cut. This project originally started by hand but the final stages were accomplished by a grader.

[NOTE: It appears that by the end of June 1969 there still wasn’t a complete perimeter fence around U-Tapao. No mention of herbicides used for vegetation control appears in this history, instead, cutting was the preferred method. Also, in late June, the Thirteenth Air Force Security Defense Survey Team arrived on base and reviewed the base defense and issued the following report, which also emphasized vegetation control:]

U-Tapao RTNAFB, 2 May 1969, Main Gate in foreground, Gulf of Thailand in background.

432nd Tactical Reconnaissance Wing, July through September 1969, Volume 2 (AFHRA Call Number K-WG-432-HI, Jul-Sep 1969, V. 2, IRIS Number 457857):

291

Supporting Document 88, Thirteenth Air Force Security Defense Survey, signed by Colonel T.L. Simpson, dated 19 September 1969, to 8, 56, 355, 388, 432, and 635 Combat Support Groups:

Page 1, paragraph 1: A defense survey was conducted at Ubon RTAFB, NKP TRAFB, Udorn RTAFB, Takhli RTAFB, U-Tapao RTNB, and Korat RTAFB, Thailand during the period 23-30 June 1969. Survey team members were Major D.E. Clemente, Civil Engineering Officer, AFRCE Thai, and Captain F. Capone, Security Police Officer, 13AF (IGS). The purpose of the survey was to reassess the 1968 security package, identify additional requirements for perimeter defense security facilities, and to assess the impact of Red Horse withdrawal on security construction programs.

Page 2, General comments on base defense security facilities, paragraph d: A continuing vegetation control program is required for cleared areas under and between perimeter security fences. The area between the fences is intended to be used as a no-man’s land with additional detection and deterrent devices such as trip flares, TSSE, tangle-foot, etc. being employed within. In view of the above, a mowing operation for vegetation control will be impossible. As a result, a conscientiously controlled program of vegetation control through the use of herbicides must be applied. Application of herbicides must be directed toward retarding growth to provide a cleared area, but under no circumstances should the type or quantity applied result in destruction of root structure so as to create a serious erosion problem. Additionally, remaining growth should be of sufficient height so as to provide camouflage for detection and deterrent devices planted in the cleared area.

635th Combat Support Group, July through September 1969, Volume 1 (AFHRA Call Number K-GP-SUP-635-HI, Jul-Sep 1969, V. 1, IRIS Number 444473):

Appendix IV, 635th Security Police Squadron Historical Data Report, July through September 1969, Page 2, Air Base Defense: Two SSgt were assigned to supervise the construction of the Base Perimeter fence. A total of 23,760 feet of concertina fencing has been completed thru 10 Oct 1969. Also, 230 trip flares were set-up in support of the perimeter fencing. IN addition to trip flares on the perimeter fence, sixty (60) trip flares were installed around the Redistribution Marketing Section to preclude theft of salvaged AF property.

The base perimeter (West) road previously scheduled for construction by the “Red Horse” organization has been terminated. The project will be picked up by MACTHAI Corps of Engineers Division (US Army). A present bill of materials (BOM) is being consolidated to provide these heavy construction teams an early starting date.

[NOTE: no mention of any herbicide spraying by either the Civil Engineering or Security Police Squadrons in this history.]

292

635th Combat Support Group, July through September 1969, Volume 2 (AFHRA Call Number K-GP-SUP-635-HI, Jul-Sep 1969, V. 2, IRIS Number 444474):

Supporting Document 3, Report of General Inspection of 635th Combat Support Group, 8-13 September 1969, 13th Air Force Inspector General, Annex E, Security Police: The perimeter security construction package was not progressing satisfactorily. Materials for perimeter fences had been on base since Jun 69; however, with the exception of a small segment of fence installed for demonstration purposes, construction of the fence had not commenced.

Finding: An aggressive and continuing program of vegetation control was required in the MMS area. (Para 26f, PACAFM 207-25).

[NOTE: Neither the perimeter fence was completed, nor was there any vegetation control, despite the emphasis being placed on clearing out foliage by higher headquarters directives and inspections.]

635th Combat Support Group, October through December 1969 (AFHRA Call Number K-GP-SUP-635-HI, Oct-Dec 1969, IRIS Number 444475):

[NOTE: No mention of any vegetation control in this history.]

635th Combat Support Group, January through March 1970 (AFHRA Call Number K-GP-SUP-635-HI, Jan-Mar 1970, IRIS Number 444476):

Page 41, Security: Two significant projects during this period improved effectiveness of base defense. The 17-mile perimeter road, costing $650,000, was completed on 15 March. Also, to further enhance the security posture, 26 security guard towers were erected along the perimeter road. This project was completed 29 March.

Work began in March to provide lighting along the perimeter road. The project, as reported in a previous history, included the installation of lighting fixtures every 100 feet along the road. It was expected to be completed in August 1970.

[NOTE: No Security Police or Civil Engineering Squadron histories were included in this particular history—they are in the April through June 1970 635th Combat Support Group history. However, no mention is made of any herbicide spraying or vegetation control in the squadron histories.]

635th Combat Support Group, April through June 1970 (AFHRA Call Number K-GP-SUP-635-HI, Apr-Jun 1970, IRIS Number 444477):

Page 35, Base Security: When he became the new 635th Security Police Squadron Commander in April 1970, Major Robert W. Osterhout took steps to improve the general defense of U-Tapao Airfield. These improvements centered in three areas: perimeter fencing, placement of conex bunkers and augmentation of the canine section.

293

Three strands of concertina barbed wire fencing were strung around the base perimeter, and the project was 99 per cent completed by the end of the quarter. Two small area behind the officers’ quarter remained unfenced.

[NOTE: No mention of any herbicide use or any vegetation control measures being taken.]

388th Tactical Fighter Wing, April through June 1970, Volume 3, history (AFHRA Call Number K-WG-388-HI, Apr-Jun 1970, V. 3, IRIS Number 457290):

Supporting Document 358, Letter, Major Richard Geisler, Director of Security Police, Office of Inspector General, Headquarters Thirteenth Air Force (IGS), to 8 Cmbt Spt Gp (BSP); 56 Cmbt Spt Gp (BSP), 355 Cmbt Spt Gp (BSP), 388 Cmbt Spt Gp (BSP), 432 Cmbt Spt Gp (BSP), 631 Cmbt Spt Gp (BSP), and 635 Cmbt Spt Gp (BSP), “Vegetation Control,” 15 Jun 1970:

Department of the Air Force Headquarters Thirteenth Air Force (PACAF) APO SAN FRANCISCO 96274 15 Jun 1970 REPLY TO ATTN OF: IGS

SUBJECT: Vegetation Control

TO: 8 Cmbt Spt Gp (BSP) 432 Cmbt Spt Gp (BSP) 56 Cmbt Spt Gp (BSP) 631 Cmbt Spt Gp (BSP) 355 Cmbt Spt Gp (BSP) 635 Cmbt Spt Gp (BSP) 388 Cmbt Spt Gp (BSP)

1. The attached correspondence is forwarded for your information and appropriate action.

2. The USAF Inspector General has expressed concern over attacks on bases in Thailand during which the enemy used the foliage cover bordering the bases to their advantage and has directed that emphasis be placed on the clearing and control of vegetation.

3. Although the maintenance and control of vegetation in and around the base is the responsibility of Base Civil Engineers, continuous emphasis must be given this program by the Chief of Security Police. When necessary, viz, to provide clear fields of fire, observation of approaches to resource areas, etc., consideration must be given to self-help programs as the only practical expedient. After all, our security force personnel lives are at stake as well as adversely affecting base defense operations. Therefore, vegetation must be controlled to assure that surveillance of the fence line and surrounding areas is not impeded.

294

4. This subject will continue to be an item of special interest during staff visits and general inspections.

FOR THE COMMANDER

RICHARD E. GIESLER, Maj, USAF 1 Atch Director of Security Police PACAF (IGSS) (C) Ltr, Office of Inspector General subj as above, 18 May 70, w/2 Atch n/c

Cy to: 7/13AF (BSP)

635th Combat Support Group, July through September 1970 (AFHRA Call Number K-GP-SUP-635-HI, Jul-Sep 1970, IRIS Number 444478):

Appendix IV, Unit Historical Summaries, 635th Security Police Squadron, July- September 1970, dated 14 October 1970, Page 2, paragraph j: Base Defense was increased during this quarter by constructing several permanent conex bunker emplacements and setting numerous trip flares on the base perimeter. Also several acres of jungle were cleared away allowing better observation for our sentries.

[NOTE: The use of the words “cleared away” suggests a quick removal as in cutting. Herbicides takes weeks to kill trees and vegetation. Although the process of jungle removal is not stated, it does not appear that herbicides was the method used in this particular case.]

635th Combat Support Group, October through December 1970, Volume 2 (AFHRA Call Number K-GP-SUP-635-HI, Oct-Dec 1970, V. 2, IRIS Number 444481):

Appendix V, Unit Histories, #10, 635SPS Historical Report, 18 Jan 1971:

[NOTE: No mention of any vegetation control around the perimeter fence in this history. Topics are on bunkers and lighting.]

635th Combat Support Group, January through March 1971 (AFHRA Call Number K-GP-SUP-635-HI, Jan-Mar 1971, IRIS Number 444482):

Appendix VII, Unit Histories, #2, 635SPS Historical Report, 13 Apr 1971:

[NOTE: No mention of any vegetation control around the perimeter fence in this history. Topics are on bunkers and fencing.]

635th Combat Support Group, April through September 1971, Volume 1 (AFHRA Call Number K-GP-SUP-635-HI, Apr-Sep 1971, V. 1, IRIS Number 901201):

Page 45 Security Police Effectiveness Increased:

295

Another step was an extensive jungle clearance program which eliminated 72 per cent of the foliage in critical observation areas of the airfield. With foliage down to a bare minimum, the 635th Security Police Squadron eliminated the dog and handler hunter squads because sentries in the numerous key positioned towers could observe the previously camouflaged areas.

635th Combat Support Group, April through September 1971, Volume 2 (AFHRA Call Number K-GP-SUP-635-HI, Apr-Sep 1971, V. 2, IRIS Number 901202):

Appendix VI, 635CSG (SPS), 6 Jul 71, historical report, Document #1: Page 3: An extensive jungle clearance program was put into effect which has resulted in approximately 85% of the trees in Delta Sector being cleared and with approximately 60% of the foliage around the POL area being cleared.

Military Dog Section: Hunter Squad was eliminated due to the fact that sentries in towers could observe a larger area. This was also due to the high jungle grass that hindered the Recon-Patrol Teams which greatly reduced their effectiveness.

[NOTE: No mention of herbicides being used in this jungle clearance program.]

U-Tapao RTNAFB, 15 June 1971, Ammunition Storage Area, and below in September 1971.

296

297

U-Tapao RTNAFB, September 1971.

635th Combat Support Group, October through December 1971 (AFHRA Call Number K-GP-SUP-635-HI, Oct-Dec 1971, IRIS Number 901203):

Page 46, Security: Vegetation control adjacent to the fencing was a continual problem, one which the squadron seemed to be fighting a losing battle against. Periodic grading of the areas on both sides of the fencing seemed to stunt the vegetation’s growth only temporarily. However, during the quarter the squadron began spraying chemical herbicides on the troublesome plants. The success of the new spraying program remains to be seen, and it will be a topic of discussion in future histories.

[NOTE: This appears to be the first time herbicides were used along the perimeter fence at U-Tapao. Unfortunately, the type of herbicides is not noted.]

Appendix V, Exhibit 40, 635 Security Police Sq, Historical Report:

Paragraph 4h, Air Base Defense: An aggressive jungle clearance program was initiated, including the use of Herbicides spraying and tractors to defoliate the area adjacent to perimeter fencing.

298

[NOTE: Unfortunately, the type of herbicides is not noted.]

635th Combat Support Group, January through March 1972 (AFHRA Call Number K-GP-SUP-635-HI, Jan-Mar 1972, IRIS Number 901204):

Page 46, Security: …in the early morning hours (0222 local time) of 10 January 1972,…a three-man sapper team successfully penetrated the base’s perimeter defenses. One of the saboteurs was killed attempting to escape, another was wounded and captured, while the third escaped, but not before exploding satchel charges which damaged three B-52D bombers.

Page 47: Nevertheless, the limited success of the sappers pointed to some weaknesses in the U-Tapao air base defense operations. With 17 miles of perimeter to defend, the [security police] squadron had a monumental task keeping the perimeter under observation at all times.

Page 48: The fencing and lighting were considered adequate, and 50-foot observation towers were spaced every 2,000 feet along the perimeter road. Still, the observation of a person trying to penetrate the perimeter was not a sure thing due to the fast-growing vegetation that grew right up to the fence in many places. Budgeting priorities changed somewhat after the attack, releasing enough money to hire two Thai bulldozers to clear a wide sterile zone beyond the perimeter fence.

[NOTE: The first step was not herbicides, but bulldozing the foliage.]

Supporting Document 37, Message, 31/0910Z December 1971, 635th Combat Support Group Commander to 13AF/CC/IGS, Subject: Security Police Manning and Impact on Base Defense:

[NOTE: This plea for more security police manning went out to higher headquarters just two weeks before U-Tapao was attacked on 10 January 1972. Part of the justification for more manning rested on the topography of the base.]

Page 6: Several hundred acres of the base are covered with dense jungle further intensifying the need for reliable perimeter penetration detection capability. During the past few months, security police assisted by Civil Engineers personnel and equipment, when available, have cleared large tracts of this heavy growth. There are still thousands of additional feet of fencing required before these projects will be completed. Both the jungle clearance and fencing projects have been adversely affected by the loss of personnel. Finally, defensive machinegun bunkers, drive-in bunkers, mortar pits and fall-down fighting positions must all be constructed and maintained by security police. The Jungle clearance program demands a constant repositioning of these defensive positions to take advantage of the changes in terrain and associated fields of fire.

Page 7:

299

While full use is made of Thai Guards, non-effectives and Civil Engineering resources in this program, most heavy equipment operators and supervisors are Security Police. Inadequate manning has dealt a severe blow to our efforts to take advantage of the present dry season in advancing these programs.

[NOTE: The above makes clear that vegetation control consisted of heavy equipment (bulldozers) clearing the vegetation away from the perimeter fence of the base, but herbicide use is not mentioned, like it was in the October through December 1971 period.]

Supporting Document 34, Message, 08/0637Z February 1972, 635th Combat Support Group Commander to CSAF/IGS, Subject: 10 January 1972 Sapper Attack Against U-Tapao:

Page 19: Why weren’t sappers detected while penetrating the base perimeter defenses?

The Base Perimeter is over 17 miles long. Heavy vegetation on private property extends up to the fence line along most of this out perimeter. Distances between perimeter towers average about 2,000 feet. The fence consists of three rolls of concertina wire and double apron. There is good perimeter lighting in the area penetrated. Sentries in the towers were checked during the night and morning of the attack and were alert when checked. Thai guards were manning these perimeter posts.

[NOTE: The above also explains why there was difficulty in clearing the entire perimeter fence of vegetation—some of the fence bordered private property that the USAF was not authorized to clear vegetation away.]

Appendix VI, 635th Security Police Squadron Historical Data Record, Jan-Mar 1972:

Page 3, Air Base Defense: Numerous projects to improve Air Base Defense were initiated during the quarter. The most significant of these are as follows:

An aggressive jungle clearance and vegetation control program initiated, to include the clearing of a 100 yard wide strip around the entire base perimeter.

[NOTE: The jungle clearance project had actually started in the October through December 1971 period, so the attack probably gave it more emphasis.]

Page 5, Law Enforcement: During this quarter, the West Gate was completely rebuilt. The Thai Navy Gate was improved in that the perimeter fence was moved up to the gate, allowing better control of traffic at that gate.

[NOTE: It appears that it took an attack to get the U-Tapao base authorities to take vegetation control seriously. In addition, even in 1972, the perimeter fence was still not completely surrounding the base, nor was the entire perimeter cleared.]

300

Appendix VI, 635th Civil Engineering Squadron Historical Data Record, Jan-Mar 1972:

[NOTE: No mention of any vegetation control or herbicide use is made in this history.]

307th Strategic Wing, January through March 1972, Volume 1 (AFHRA Call Number K-WG-307-HI, Jan-Mar 1972, V. 1, IRIS Number 902322):

Supporting Document 4, Message, 307th Strategic Wing to CINCSAC/IG, 20 Jan 1972:

[NOTE: The attack on U-Tapao, which damaged a B-52, drew the close attention of Headquarters Strategic Air Command (SAC), who asked very pointed questions, such as “How were the intruders able to penetrate, reach our resources, inflict damage and disappear almost without punishment? What adjustments have been made in security protection since the attack? What others are planned? What is your evaluation of current security protection?” Among the responses from the 307th Strategic Wing Commander, Brigadier General Frank W. Elliott, in a 20 January 1972 message back to SAC, concerned vegetation control:]

Page 9, paragraph K: The sappers obviously took advantage of the element of surprise, penetrating through heavy vegetation.

Page 11, paragraph M: Vegetation control projects are continuing. There has been continuous activity in this area for the past two years. There are two major contracts being let to control large tracts of heavy growth on the base. Additionally, Security Police and Civil Engineering personnel are actively clearing areas adjacent to critical resource. This program has been receiving considerable attention since May of last year.

[NOTE: As can be seen, the point of penetration had no vegetation control applied, thus ruling out any use of herbicides, at least at that portion of the base. The fact that contracts for controlling vegetation, as well as base personnel being utilized to clear areas, show that herbicide was probably not being used until after the 10 January 1972 attack, and not by all parties that were charged with vegetation control. The two contracts spoken of would not have included a provision of providing herbicides to the contractor, as they would have had to provide that on their own, if they used herbicides at all.]

635th Combat Support Group, April through June 1972 (AFHRA Call Number K-GP-SUP-635-HI, Apr-Jun 1972, IRIS Number 901205):

Page 47, Security: In spite of reduced manning, the 635th Security Police Squadron continued to improve its aircraft and perimeter security. Emphasis continued to be placed on

301 the clearing of vegetation through controlled burning and using herbicides to clear a 100 foot zone on both sides of the perimeter fencing.

Supporting Document 50, Message, 07/1015Z May 1972, 635th Security Police Squadron to COMUSMACTAHI/J36, Subject: Aircraft Security SEASIA:

Page 4: B-52 Area: No additional security measures are planned in the immediate future except to continue with aggressive program on vegetation control to afford better detection at the perimeter and in the secondary defense zone. Action is presently underway to clear areas 100 feet from the perimeter fence which were previously not owned by the base. Also, increased controlled burning and expanded use of herbicide in clearing these areas is now in use.

[NOTE: Apparently, the Thai government must have authorized the USAF to start vegetation control, including the use of herbicides, around the portions of the perimeter fence that private property had been adjacent to. In the past this property had prevented any clearing of vegetation at all, but now, probably in response to the January 1972 attack, restraint was removed. It also appears that herbicide use, which started in the October through December 1971 quarter, was still desirable, but, according to the next historical report, could not be supplied when ordered. Therefore, it is safe to assume that herbicides were used in the October through December 1971 period, and probably in the January through March 1972 period, but had run out by the April through June 1972 period and was back-ordered through supply. See the July through September 1972 historical report for more information.]

Appendix VI, 635th Security Police Squadron Historical Data Record, Apr-Jun 1972:

[NOTE: No mention of any vegetation control or herbicide use is made in this history.]

[NOTE: No 635th Civil Engineering Squadron Historical Data Record, Apr-Jun 1972 submitted with this history.]

635th Combat Support Group, July through September 1972 (AFHRA Call Number K-GP-SUP-635-HI, Jul-Sep 1972, IRIS Number 901206):

Page 45, Security: Emphasis on improved security brought about several air base defense related projects during the quarter. “Operation VC” (vegetation control) continued and was somewhat successful in its mission of clearing a 100-foot sterile zone on both sides of the perimeter fencing. A combination of herbicide application, extensive use of earth-moving equipment, and controlled burning were used against the ever-growing foliage.

Supporting Document 43, Minutes, “Base Defense Council Meeting,” 7 July 1972:

Page 3:

302

Major Strayer outlined the current status of vegetation control (Operation VC). Operation VC was intensified during this quarter by means of controlled burning and use of heavy equipment. However, the rainy season is adversely affecting this operation. The only real solution to vegetation control is the application of herbicide. Some herbicide has been located on-base and follow-up action has been taken to trace the order for herbicide placed approximately 50 days ago.

[NOTE: Evidently some herbicide was found on base and used, but when it was gone, no more herbicide was located. Some had been ordered the previous quarter, but it had not arrived by the end of September. This agrees with the CHECO Report that states that no herbicides had been procured through the supply channels for the first half of 1972.]

Minutes, “Base Defense Council Meeting, 29 September 1972:

Page 2: Capt Wheeler briefed the Council concerning the sixteen (16) miles of vegetation that has been cleared on the perimeter establishing 100 foot clear zones. Additional herbicides for vegetation control has been ordered but no estimated date of delivery is known.

Appendix VI, 635th Security Police Squadron, 1 July through 30 September 1972 Historical Report:

Page 5, Security Police Supply/Equipment: Installation of and operation of Control Box for Xenon Light located in T-44A. Modified a trailer to mount an additional Xenon light. Obtain Flame Thrower for clearance of vegetation control on the perimeter. Constructed and installed two (2) Public address systems for Air Base Defense.

[NOTE: This is a new twist on vegetation control, as no other base in Thailand had noted such a technique. Unfortunately, the term “obtain” does not mean that the flame thrower was possessed by the Security Police Squadron and used, but may mean that it was only desired so vegetation control by this method could be pursued. However, the other items on the list imply a completion of a task, i.e., “Installation of…” “Modified…” “Constructed and installed…”. It is conjecture that the clerk who typed up the report meant to use “Obtained” to indicate that they had a flame thrower and that they used it for burning up vegetation, or rightly used the word “Obtain” to show that they hoped to gain such a device for vegetation control. The follow-up Security Police historical reports do not mention flame throwers again, which may indicate that this was just an idea that went did not come to fruition.]

[NOTE: No 635th Civil Engineering Squadron Historical Data Record, Jul-Sep 1972 submitted with this history.]

310th Strategic Wing, 1 June through 30 September 1972 history (AFHRA Call Number K-WG-310-HI, Jun-Sep 1972, IRIS Number 902353):

Foreword:

303

The 310th Strategic Wing (Provisional) was activated on 1 June 1972 at U-Tapao Royal Thai Navy Airfield, Thailand and assigned to the 17th Air Division.

[NOTE: No mention of vegetation control is made in this history.]

310th Strategic Wing, 1 October through 31 December 1972 history (AFHRA Call Number K-WG-310-HI, Oct-Dec 1972, IRIS Number 902354):

[NOTE: No mention of vegetation control is made in this history.]

635th Combat Support Group, October through December 1972 (AFHRA Call Number K-GP-SUP-635-HI, Oct-Dec 1972, IRIS Number 901207):

Page 50, New Construction Projects: Besides the major contracted projects the Group was also involved with four vital service contracts that were still in progress as the quarter ended. These consisted of security alarms, base police-up, revetment police-up and vegetation control.

Page 56-57, Security Police Activities: Four major projects were introduced to improve air base defense and one alert red (Option I) exercise was conducted during this cycle. The air base defense projects were: 1) a new gate was installed adjacent to T-9 at the MMS area to decrease travel distances for responding units in Bravo and Charlie sectors; 2) an aggressive jungle clearance and vegetation control program initiated to include clearance of jungle areas on the base proper; 3) a lookout point established to direct the firing of 81mm mortars; and 4) the transit C-5A aircraft security protection procedures implemented.

Appendix VI, Document 5, Extract, 635th Civil Engineer Squadron Unit History, October through December 1972:

Page 5, Construction Projects, Paragraph 5: The following service contracts were carried forward from the previous quarter and are still in progress:

Page 6: [Project Number] 0085, Vegetation Control; Start Date, 1 Jul 72; Completion Date, still in Progress: Cost, $45,600; Construction Agency, Contract.

Appendix VI, Document 7, Extract, 635th Security Police Squadron Unit History, October through December 1972:

Page 5, paragraph h (2), Numerous projects to improve Air Base Defense: An aggressive jungle clearance and vegetation control program initiated to include clearance of Jungle Areas on the base proper.

[NOTE: While the Civil Engineer Squadron history infers that the clearing of vegetation was being conducted by local nationals under contract, the Security Police Squadron history does not add to the understanding of how this was done. Neither history provides any explanation as to the process of eliminating

304 vegetation. While there is no mention of herbicides (which had been on back order through the supply channels), there is also no hint as to the means being used for vegetation control. There is no further mention of flame throwers being used for vegetation control either.]

307th Strategic Wing, 1 January through 30 June 1973 history, Volume 1 (AFHRA Call Number K-WG-307-HI, Jan-Jun 1973, V. 1, IRIS Number 902338):

Page 9, Vegetation Control: The tightening of base security restrictions eliminated Thai national contractor employees from unescorted entry to cut down high weeds in the bomber revetment and other flight line restricted areas. In order that vegetation control would not suffer, a policy was established that required using USAF agencies to provide escorts to accompany weed and grass cutting teams into each area. The 17th Air Division designated the 307th Organizational Maintenance Squadron as the responsible agency for vegetation control in the revetments where the 307th’s bombers rested.

Supporting Document 13, Letter Colonel Mauro E. Maresca, Base Civil Engineer to 17th Air Division Commander, Brigadier General Glenn R. Sullivan, subject: Vegetation Control – Aircraft Revetment Area, 9 January 1973:

1. A recent increase in basewide security restrictions has caused operational problems regarding the base vegetation control contract. Indigenous civilian personnel employed by the contractor are not qualified for unescorted entry into restricted areas and also do not qualify for control access badges.

2. A procedure has been established placing responsibility for providing necessary escorts with the using agency. Escort arrangements have been made with using agencies for all areas except the area shown in attachment #1.

3. Request you designate an appropriate using agency, such as 307th OMS, to provide the necessary escorts. A qualified escort may sign in personnel at the entry point and appoint any qualified personnel in possession of a valid AF Form 1199b, Restricted Area Badge, to continue to escort the personnel and sign them out. Grass cutting in this particular area average s twice per month and lasts two to three days each cutting.

Signed MAURO E. MARESCA, Colonel, USAF Base Civil Engineer

[NOTE: Attachment 1 is shown, below.]

1st Indorsement to the above letter, 17th Air Division Commander, Brigadier General Glenn R. Sullivan to Colonel Mauro E. Maresca, Base Civil Engineer, 10 January 1973:

305

Vegetation control is a Civil Engineer problem. The same escort provided between the runways and other restricted areas should be utilized for this area. (I notice you assigned your fire department to my OMS.)

Signed GLENN R. SULLIVAN, Brig Gen, USAF Commander

B-52 parking area of U-Tapao RTNAFB, Thailand, showing areas of grass that required to be cut either by 307th Organizational Maintenance Squadron personnel (since Thai nationals were no longer authorized to be in this area unescorted) or by Thai contractors under escort of the 307th OMS, in January 1973 (originally attachment 1 to 9 January 1973 letter from 635th CSG/DE to 17AD/CC).

[NOTE: It appears from the above that the 17th Air Division commander did not agree that his OMS personnel should be cutting grass or supervising local national contractors to cut it, instead, the Base Civil Engineering Squadron should take care of the problem. The meaning of the comment about the Fire Department is unknown. However, from the comments made by the 307th Wing historian, above, it appears that OMS personnel still got the job over the objections of General Sullivan.]

310th Strategic Wing, 1 January through 31 March 1973 history (AFHRA Call Number K-WG-310-HI, Jan-Mar 1973, IRIS Number 902355):

306

[NOTE: No mention of vegetation control is made in this history.]

635th Combat Support Group, 1 January through 31 March 1973 history, Volume 1 (AFHRA Call Number K-GP-SUP-635-HI, Jan-Mar 1973, V. 1, IRIS Number 901208):

Page 57, Construction Projects-Contract/In-House: In addition to the major contracted items the Civil Engineering was involved with five vital service contracts which were nearing completion as of 31 March. These consisted of security alarms, base police-up, revetment police-up, custodial services and vegetation control.

635th Combat Support Group, 1 January through 31 March 1973 history, Volume 2 (AFHRA Call Number K-GP-SUP-635-HI, Jan-Mar 1973, V. 2, IRIS Number 901209):

Appendix VI, Document 5, 635th Civil Engineering Squadron Unit History, 1 January-31 March 1973:

Page 3, Service Contracts Carried Forward from the Previous Quarter and are Still in Progress:

0085, Vegetation Control; Start Date, 1 July 1972; Cost, $45,600; Construction Agency, Contract.

[NOTE: The 635th Security Police Squadron’s history makes no mention of any vegetation control measures for the perimeter fence.]

310th Strategic Wing, 1 April through 30 June 1973 history (AFHRA Call Number K-WG-310-HI, Apr-Jun 1973, IRIS Number 902356):

[NOTE: No mention of vegetation control is made in this history.]

635th Combat Support Group, 1 April through 30 June 1973 history, Volume 1 (AFHRA Call Number K-GP-SUP-635-HI, Apr-Jun 1973, V. 1, IRIS Number 901210):

Page 67, Construction Projects Initiated: In addition to the major contracted items the Civil Engineer completed four vital service contracts on 30 June. Three of these were part of the CAFI [Commander’s Annual Facilities Inspection] project. They included: vegetation control, base cleanup; custodial services and security alarms (non-CAFI).

635th Combat Support Group, 1 April through 30 June 1973 history, Volume 2 (AFHRA Call Number K-GP-SUP-635-HI, Apr-Jun 1973, V. 2, IRIS Number 901211):

Appendix V, Document 87, Briefing Material and Procedures by Major James E. Strayer, 635th Security Police Squadron, discusses future projects concerning the base perimeter defense. Topics include sensors, popup mines, chain link fence,

307 stand-off fencing, security lighting, additional light towers, four channel radio system, direct line communications system, loud speaker system, concrete bunkers, all weather guardmount area, and steel towers. What is not noted is any vegetation control.

Appendix VI, Document 5, 635th Civil Engineering Squadron Unit History, 1 April– 30 June 1973:

Page 4, Service Contracts Carried Forward: The following service contracts were carried forward from the previous quarter, and have been completed on 30 Jun 73, at the close out of the FY73 service contracts:

Vegetation Control; Start date, 1 Jul 72; Completion date, 30 Jun 73; Cost, $46,925; Construction agency contract.

[NOTE: A service contract is an on-going contract renewed usually on a yearly basis. This appears to be nothing more than a lawn maintenance contract for the entire base, as the Air Base Defense Section consistently fails to mention any vegetation control at the perimeter fence line.]

Appendix VI, Document 7, 635th Security Police Squadron Unit History, 1 April-30 June 1973:

[NOTE: Although the Air Base Defense Section of the squadron history notes the refurbishing of defensive positions, repair of perimeter fencing by contract personnel, construction and installation of two new guard towers, there is no mention of vegetation control.]

307th Strategic Wing, 1 July through 31 December 1973 history, Volume 1 (AFHRA Call Number K-WG-307-HI, Jul-Dec 1973, V. 1, IRIS Number 903709):

[NOTE: No mention of vegetation control in this history.]

310th Strategic Wing, 1 July through 31 December 1973 history (AFHRA Call Number K-WG-310-HI, Jul-Dec 1973, IRIS Number 902357):

[NOTE: No mention of vegetation control is made in this history.]

635th Combat Support Group, 1 July through 30 September 1973 history, Volume 2 (AFHRA Call Number K-GP-SUP-635-HI, Jul-Sep 1973, V. 2, IRIS Number 901213):

Appendix VI, Document 12, 635th Civil Engineering Squadron Unit History, 1 July–30 September 1973:

Page 4, Service Contracts: The following service contracts were begun this quarter, and are to remain in effect for the entire fiscal year: Vegetation Control; Start Date, 1 Jul 73; Cost, $91,808 Construction Agency, contract.

308

[NOTE: This appears to be the lawn service contract for the base as a whole, and is not associated with perimeter fence vegetation removal.]

Appendix VI, Document 15, 635th Security Police Squadron Unit History, 1 July– 30 September 1973:

Page 2, Air Base Defense: The repair and maintenance of the perimeter fence is now being accomplished by contract personnel releasing Security Police personnel for proper duties.

[NOTE: No mention is made of vegetation control by the security police.]

635th Combat Support Group, 1 October through 31 December 1973 history, Volume 1 (AFHRA Call Number K-GP-SUP-635-HI, Oct-Dec 1973, V. 1, IRIS Number 901214):

Appendix V, Document 6, History of 635th Civil Engineering Squadron, 1 October– 31 December 1973:

Page 4, Service Contracts: The following service contracts were carried forward from last quarter and are still under construction: Vegetation Control; Start Date, 1 July 1973; Cost $91,808; Construction Agency, Contract.

[NOTE: This appears to be the lawn service contract for the base as a whole, and is not associated with perimeter fence vegetation removal.]

Appendix V, Document 7, History of 635th Security Police Squadron, 1 October– 31 December 1973:

Page 10, Air Base Defense: In the future, civil engineers will be responsible for maintenance/repair of defense towers, bunkers, and fencing.

[NOTE: No mention is made of vegetation control.]

307th Strategic Wing, 1 January through 30 June 1974 history (AFHRA Call Number K-WG-307-HI, Jan-Jun 1974, IRIS Number 1001199):

[NOTE: No mention is made of vegetation control in this history.]

310th Strategic Wing, 1 January through 30 June 1974 history (AFHRA Call Number K-WG-310-HI, Jan-Jun 1974, IRIS Number 1001200):

[NOTE: No mention of vegetation control is made in this history.]

The 310th Strategic Wing (Provisional) was inactivated as of 1 July 1974.

309

635th Combat Support Group, 1 January through 31 March 1974 history (AFHRA Call Number K-GP-SUP-635-HI, Jan-Mar 1974, IRIS Number 1002093):

Appendix V, 635th Civil Engineering Squadron Historical Report for 1 January to 31 March 1974:

Page 5, Service Contracts: The following service contracts were carried forward from last quarter and are still under construction: Vegetation Control; Start Date 1 July 1973; Cost $91,808; Construction Agency, Contract.

[NOTE: This appears to be the lawn service contract for the base as a whole, and is not associated with perimeter fence vegetation removal.]

Appendix V, 635th Security Police Squadron Quarterly Historical Report (Jan- Feb-Mar):

[NOTE: No mention of vegetation control is made in this history.]

635th Combat Support Group, 1 April through 30 June 1974 history, Volume 1 (AFHRA Call Number K-GP-SUP-635-HI, Apr-Jun 1974, V. 1, IRIS Number 1001040):

Page 24, Construction Projects Started: Project UTA 59-3 provided for the maintenance of approximately four miles of the base perimeter road. The area in the northwestern corner of the base and at the south end of the runway had deteriorated to a point where pot hole repairs were no longer effective. This project began 11 June.

Page 25: Project 35-3 provided for the replacement of 24 wooden guard towers with steel type towers. Due to the high humidity that prevailed in Thailand, the wooden towers had deteriorated to a point where necessary repairs were uneconomical because of the short life span of wooden structures. These towers were essential for the security of the base perimeter. This major project began 8 April.

Appendix 5, History of the 635th Civil Engineering Squadron, 1 April-30 June 1974:

Page 4, Construction Projects: The following services contracts that would normally be completed at this time, were extended to cover the next Fiscal Year. These contracts are:

Vegetation Control; Start Date, 1 July 1974; Cost $87,900; Construction Agency, Contract.

[NOTE: Once again it appears that vegetation control for the base was the purview of a local Thai company which would not be able to obtain any tactical herbicides. If they used non-tactical, commercial herbicides, it is not recorded as to what they used.]

310

Appendix 5, 635th Security Police Squadron Historical Data Record, 1 April-30 June 1974:

[NOTE: No mention of vegetation control in this history.]

635th Combat Support Group, 1 April through 30 June 1974 history, Volume 2 (AFHRA Call Number K-GP-SUP-635-HI, Apr-Jun 1974, V. 2, IRIS Number 1001041):

Supporting Document 212, Minutes of the 10 April 1974 Thai-U.S. community Relations Group Meeting:

Page 3, paragraph 7, New Business, Destruction of Security Poles and Wire: Captain Watanapol told members of the council that he received a report that 120 concrete poles and a large amount of fence wire were stolen from the Vayama Ammo Storage area. Capt Bonnett said that concrete fence poles were destroyed and the reinforcement steel rods inside stolen. He said that the fence will be repaired or replaced as necessary. Mr. Pawit said that due to the high weeds and the large area it was almost impossible to patrol the whole area. USARSUOTHIA has a plan to build a perimeter road along the fence and set up sentry towers in the hope of providing better security.

Minutes of the 9 May 1974 Thai-U.S. community Relations Group Meeting:

Construction of a Security Fence: Admiral Samut informed members of the council that a request for construction of a security fence at Camp Vayama has been submitted. He said he anticipates no prole mint he matter. He will assist in expediting approval in order to meet the 60 day time period outlined by the contractor in the bid.

Minutes of the 12 June 1974 Thai-U.S. community Relations Group Meeting:

Construction of a Security Fence: Admiral Samut informed members of the council that request for construction of a security fence at Camp Vayama has been approved and that the project has already been started. Colonel Norris thanked Admiral Samut for the assistance and cooperation received on speeding up the approval.

[NOTE: The mentioning of high weeds shows that no vegetation control was being undertaken in this area, and the solution was not cutting the grass, or using herbicides, but to put up a fence.]

635th Combat Support Group, 1 July through 30 September 1974 history (AFHRA Call Number K-GP-SUP-635-HI, Jul-Sep 1974, IRIS Number 1006749):

Appendix 5, History of the 635th Civil Engineering Squadron, 1 July-30 September 1974:

Page 2, Facilities:

311

Facilities are continually being upgraded and improved by civilian contractors and Trans Asia personnel. Base facilities are being reviewed to determine if facilities for additional missions are available. Major maintenance, repair, and minor construction work has been accomplished through the various methods of civil engineering work.

Page 4, Construction Projects: The following contracts were completed during this quarter: UTA 59-3, Maintain Perimeter Road; Start Date 11 June 1974; Completion Date 31 July 1974; Cost $51,700; Construction Agency, Contract.

The following services contracts are being monitored. These contracts are:

Vegetation Control: Start Date, 1 July 1974; Cost $87,900; Construction Agency, Contract.

[NOTE: This appears to be the lawn service contract for the base as a whole, and is not associated with perimeter fence vegetation removal.]

Appendix 5, 635th Security Police Squadron, Quarterly Historical Report (Jul-Aug- Sep):

Page 10, Air Base Defense, Functional Data: Current projects to construct new concrete bunkers with stand-off fencing, new weapon emplacements in each sector and new steel towers with landline communications systems installed in each tower are about 50% complete. A total of thirty-nine steel towers are already in place.

307th Strategic Wing, 1 July through 30 September 1974 history (AFHRA Call Number K-WG-307-HI, Jul-Sep 1974, IRIS Number 1003235):

[NOTE: No mention is made of vegetation control in this history.]

635th Combat Support Group, 1 October through 31 December 1974 history (AFHRA Call Number K-GP-SUP-635-HI, Oct-Dec 1974, IRIS Number 1011310):

[NOTE: The 635th Civil Engineering Squadron did not submit a history for the October through December 1974 period.]

Appendix 5, 635th Security Police Squadron Quarterly Historical Report (Oct-Nov- Dec):

Page 6, Air Base Defense, Functional Data: Current projects to construct new concrete bunkers with stand-off fencing, new weapons emplacements in each sector, and new steel towers installed with landline communication systems in each tower are about 65% complete. All manned wooded towers have been replaced by steel towers.

307th Strategic Wing, 1 October through 31 December 1974 history (AFHRA Call Number K-WG-307-HI, Oct-Dec 1974, IRIS Number 1005924):

312

[NOTE: No mention is made of vegetation control in this history.]

635th Combat Support Group, 1 January through 31 March 1975 history:

NOTE: No 635th Combat Support Group history for January through March 1975 was submitted to the Air Force Historical Research Agency.

635th Combat Support Group, 1 April through 30 June 1975 history (AFHRA Call Number K-GP-SUP-635-HI, Apr-Jun 1975, IRIS Number 1008063):

Page 9, Security: At the April meeting of the Thai-U.S. Community Relations meeting, held at Sattahip Naval Base, the problem of vegetation growth on the U-Tapao perimeter fence was surfaced. Admiral Samut Sahanavin, Sattahip Naval Base commander, suggested that Thai personnel be loaned U.S. Air Force bulldozers and graders to clear the vegetation from the fence area. Captain Gerald Burchard, civic actions officer, was without any empowerment to make a decision on the matter and stated that he would consult his superiors and report back at the next meeting. The next day at U-Tapao a meeting between the base commander, base civil engineer and security police personnel as well as Captain Burchard was held to analyze the vegetation control problem. Ever since the construction of U-Tapao the growth of vines, weeks and tapioca along with perimeter fence had created a security risk, since the vegetation could easily conceal potential intruders. Now that the Thai government was willing to help solve the problem they had proposed an inadequate solution. Although the equipment could have been provided to Thais to perform the work, grading and bulldozing measures would have proven ineffective since they would only have covered up the vegetation and not removed the roots. Eventually the work would need to be done over, especially because of the year round growing season at U-Tapao which caused fast vegetation growth. Local Thai political leaders were reluctant to approve any chemical or defoliant measures the Air Force had broached with them. They argued that such measures would poison the land rendering it unsuitable for any further future use. Faced with the Thai reluctance to discuss more than grades and bulldozers or simple hand grass mowing, Colonel Janca informed the Thai government at the next meeting of the council that a grade would be provided. However, by July the work had not yet begun.

Appendix VI, 635th Civil Engineering Squadron Historical Report for 1 April to 30 June 1975:

Page 2, Transition from Trans Asia to Military O & M Operation: During the month of June the O&M operation was converted from a contractor (Trans-Asia) operation to a military operation. This transition began 1 June 75 with arrival of the first increment of TDY Prime BEEF personnel and continued throughout the month. This transition to date has been smooth. TDY personnel were being released as PCS personnel arrive.

Page 5, Construction Projects: The following service contracts were monitored during this quarter:

313

Vegetation Control: Star date, 1 July 9174; Cost $89,000. Construction Agency, contract.

Appendix VI, 635th Security Police Squadron Quarterly Historical Report (Apr- May-June 75):

[NOTE: No mention of vegetation control in this history.]

Supporting Document 38, Minutes of April 1975 Thai-U.S. community Relations Group Meeting:

Page 4, Vegetation Control at U-Tapao Airfield: Vice-Admiral Samut Sahanavin, Commander of Sattahip Naval Base, suggested the use of USAF equipment and the operators from the Thai side. Captain Gerald D. Burchard, 635th CSG, will consult with Base Civil Engineering and Base Commander and inform Admiral Samut and Commander Varajit Sithiyothakarn, Operations Officer, Sattahip Naval Base, of the result.

Supporting Document 39, Minutes of May 1975 Thai-U.S. community Relations Group Meeting:

Page 3, Vegetation Control along U-Tapao perimeter fence: It was agreed that USAF will provide equipment and fuel while the RTN will provide operators. Since there are some swamp areas where the equipment cannot get through, CDR Commander Choochart La-Mom, Deputy Commander, Civil Engineering Battalion, requested that USAF provide the funds on hand ($1,700) in order to hire the laborers to cut grass. Colonel Belmer J. Addison, Vice Commander, 635th Combat Support Group, said that USAF would study the feasibility of using this fund again. Since it has been approved by the Rayong Governor and Highway Department for the USAF to cut grass along the Sukhumwit Road, according to Mr. Apirash Boonyakiart, 635th CSG, Vice-Admiral Samut Sahanavin, Commander, Sattahip Naval Base, expected this project would be carried on soon.

Supporting Document 40, Minutes of June 1975 Thai-U.S. community Relations Group Meeting:

Page 3, Vegetation Control: Colonel Robert D. Janca, Commander, 635th Combat Support Group, said that a grader to be provided by USAF was available. He requested the RTN counterpart to contact Lieutenant Colonel Hearn at Base Civil Engineer for coordination so that grass could be cut soon. Regarding the contract of the labor to cut grass in the swamp areas, Colonel Janca also suggested Commander Choochart Lamom, Civil Engineering Battalion, Sattahip Naval Base, contact Lt Col Hearn.

635th Combat Support Group, 1 July through 30 September 1975 history (AFHRA Call Number K-GP-SUP-635-HI, Jul-Sep 1975, IRIS Number 1010085):

Page 46, Facilities, Adequacy or Inadequacy:

314

Red Horse was the primary construction crew involved in major facility changes at U-Tapao. The repair of three modular dormitories and the replacement of some older guard towers were both 95 percent complete, and both projects cost around $48,000.

Page 48, Trans-Asia Contract: Both new and old facilities had to be maintained by someone. That job had often fallen to the Trans-Asia Company through a maintenance contract with the civil engineers. That contract was not renewed, however, on 1 July, and plans were to convert from a contract operation to a military and local notional operation. From 23 to 31 July two NCOs from Thirteenth Air Force civil engineering travelled to U-Tapao to evaluate the Trans-Asia to military ;conversion. Their examination of work control activities, programming of work orders, bench stock support and material support from base supply indicated that the transfer of work was progressing at a satisfactory level.

Appendix A, 635th Security Police Squadron Quarterly Historical Report (July- August-September):

[NOTE: No mention is made of vegetation control in this history.]

Appendix E, 635th Civil Engineering Squadron Historical Report for 1 July to 30 Sep 1975:

Page 3, Construction Projects: The following service contracts were monitored during this quarter:

Vegetation Control: Start 1 Sep 75; cost $46,800. Service agency: Sahasin Enterprise (10 month contract).

[NOTE: Once again vegetation control is let as a contract to a local Thai company who would not have access to tactical herbicides. If they used herbicides, it was a commercial product.]

The following service contracts were carried over (on extension) from FY-75 due to a hold by an OSI investigation of the FY-76 contracts. Both contracts were completed 31 Aug 75.

Page 4: Vegetation Control: Final total cost $105,900. (FY-75 & 1st 2 months FY-76) Service agency: Manit Engineering Company.

635th Combat Support Group, 1 October through 31 December 1975 history (AFHRA Call Number K-GP-SUP-635-HI, Oct-Dec 1975, IRIS Number 1010620):

Appendix IV, “A”, 635th Civil Engineering Squadron History, 1 October-31 December 1975:

Page 3, Contracts: The following service contracts were monitored during this period.

315

Vegetation Control: No major variations/modifications. Cost for the quarter $10,300.00. Contractor: Sahasin Enterprise.

Page 5: The following Red Horse projects were either completed or cancelled during this quarter:

UTA 35-3, Replace Gua4rd Towers; $48,200.00, completed Dec 75.

Appendix IV, “C”, 635th Security Police Squadron Quarterly Historical Report (October, November, December 1975):

[NOTE: No mention is made of any vegetation control program in this history.]

635th Aerospace Support Group, 1 January through 31 March 1976, Volume 1 history (AFHRA Call Number K-GP-SUP-635-HI, Jan-Mar 1976, V. 1, IRIS Number 1011429):

Page 2, Organization: Effective 30 January 1976 the 635th Combat Support Group (CSG) was redesignated the 635th Aerospace Support Group. Also, effective 30 January, Operating Location (OL) AA, 635th CSG and Detachment 1, 635CSG were redesignated OL AA, 635th Aerospace Support Group (Bangkok City) and OL AB, 635th Aerospace Support Group (Don Muang) respectively.

On 5 January 1976 the 554th Civil Engineering Squadron (Reed Horse) was relocated with personnel and equipment to Osan AB, Korea.

Page 4: On 20 March 1976 the U.S. ceased all operations except retrograde and base closure at Chaing Mai, Ko Kha, and U-Tapao.

Appendix 4, “A”, History of 635th Civil Engineering Squadron, 1 Januiary-31 March 1976:

Page 1, Impact of Base Closure: All unnecessary work requirements were cancelled by Program Development. All residual material from cancelled work orders were given to Material Control for disposition. The O&M contract program was cancelled as of 31 March 1976. As of 22 March 1976 only those work orders and projects initiated and accomplished in support of base closure remained valid. The O&M budget was reduced by one-half million dollars. Preparation of documents required to transfer all Real Property assets was begun, including all facilities at Ko Kha AS and Chiang Mai Airport.

Page 2: All Engineering and Construction projects were officially cancelled upon base closure notification. The existing service contracts such as custodial, butane gas, trash, etc. are gradually being phased down, eliminating service to facilities which are vacated or turned over. Several requirements type contracts were

316 initiated to accomplish various kinds of work associated with closure actions; Pre- Engineered building teardown, area clean-up, etc.

[NOTE: Basically, vegetation control contracts were ended, and thus ended the vegetation control program at U-Tapao.]

Appendix 4, “C”, 635th Security Police Squadron, 1 Januiary-31 March 1976:

[NOTE: The history does not even have a Base Defense section. No vegetation control issues or perimeter issues are discussed in this history.]

635th Aerospace Support Group, 1 April through 20 June 1976 history (AFHRA Call Number K-GP-SUP-635-HI, Apr-20 Jun 1976, IRIS Number 1011990):

Page 2, Organization: The following assigned units were inactivated effective 20 June 1976: HQ, 635th Aerospace Support Group 635th Civil Engineering Squadron 635th Munitions Maintenance Squadron 635th Security Police Squadron 635th Supply Squadron 635th Transportation Squadron 11th USAF Hospital OL AB, 635th Aerospace Support Group (Don Muang)

317

U-Tapao Royal Thai Naval Air Force Base as of January 1976.

Operating Location AA, 635th Aerospace Support Group (Bangkok City) was inactivated on 20 March 1976.

The 6201st Aerospace Support Squadron (Ko Ha Air Station) was inactivated on 19 May 1976.

318

The 99th Strategic Reconnaissance Squadron was relocated to Beale AFB, California without personnel and equipment on or about 30 June 176 and assigned under the 9th Strate4gic Reconnaissance Wing.

Page 3: The 1985th Communications Squadron was relocated without personnel and equipment to Tinker AFB, Oklahoma on or about 20 July 1976.

Both the Joint Casualty Resolution Center and the Central Identification Laboratory were relocated with personnel and equipment to Barbers Point Naval Air Station, Hawaii, on 19 May 1976.

618th Military Airlift Support Squadron inactivated on 20 June 1976. 6005th Support Squadron inactivated on 1 May 1976. Det 30, 1st Weather Wing inactivated 20 May 1976. Det 5105, Office of Special Investigations inactivated on 20 June 1976. OL AB, 554th Civil Engineering Squadron inactivated 20 March 1976. OL AB, 6204th Aerospace Support Squadron inactivated on 20 June 1976. OL 1B, 6004th Manpower Engineering Squadron inactivated on 20 March 1976. OL 16AD, Postal and Courier Service inactivated on 20 June 1976.

Page 7, Base Security: On 1 April, the guarding of the perimeter fence around U-Tapao was turned over to the Royal Thai Navy. The SP forces then concentrated their energies and time in the protection of U.S. property.

Page 8: The Commander of the 635th Security Police Squadron, Lt. Colonel Richard T. Johnson, said in stand-up on 18 May, “I went around the base perimeter yesterday and there was none. The barbed wire fence has all been stolen. And the Thai Navy guards don’t do anything but sit and watch as it is taken. So watch your vehicles. With no perimeter they can be driven right off the base.”

NOTE: U-Tapao was the last base in Thailand to close.

Appendix 4, Base Closure Lessons Learned: Page 54, Supply Squadron Input:

NOTE: In this publication, a listing of items shipped and transferred to the Thai government was included. No herbicides are listed. On page 54, the Supply Squadron noted: “Northern Thailand bases shipped hazardous chemicals, such as DS-2 decontaminating agent, ammonium hydroxide, scale compound remover and calcium hypochlorite, to U-Tapao in lieu of local disposal or shipping action.” Note that no herbicides are listed.

Page 119, Security Police Squadron Input: When base closure was announced one of the first problem areas encountered was perimeter security. It was decided that USAF personnel would provide island security only around areas controlled by USAF. The Royal Thai Navy (RTN) did not have personnel available to guard the perimeter and even after USAF security policemen had been pulled from posts, the perimeter was

319 unmanned for a length of time. As personnel became available the perimeter was manned by RTN.

Page 134, Procurement Input: Problem: On Wednesday, 12 May 76, it was brought to our attention that the current Vegetation Control contractor had, for all practical purposes, ceased operations under contract. This occurred at a time in which base appearance (especially for facilities/areas soon to be released to the Royal Thai Government) was a high priority command interest item. The Government had, for some time been struggling with the involved contactor for alleged insufficient performance. In December, 1975, a legal opinion judged current contractual performance documentation was insufficient to support a termination for default action. It was also judged, at that time that the administrative cost and length of time required to terminate for convenience was prohibitive and that the Government possessed limited in-house capability to perform the service itself. It was therefore judged to be in the Government’s best interest to continue the contract. In January and February, 1976, the contractor’s performance increased to 90% satisfactory. In April, and May 76, with the impending closure of U-Tapao the contractor’s level of performance decreased sharply in spite of repeated follow-up and discussions with the contractor by the TRCO and the contracting officer. On Wednesday, it was imperative that the grass be cut to sufficient satisfactory levels by Saturday. This was difficult in that the contractor’s reticence to cooperate was apparent and that the following day, Thursday, was a Thai holiday and a contractual non- workday.

Impact: Uncontrolled growth of base vegetation posed an immediate threat to the satisfactory appearance and condition of facilities turned over to the Thai Government. Uncontrolled growth would also pose serious health, fire control and security problems for the remaining base population.

Solution: Since Termination for Default requires rigid time consuming investigative process, that particular alternative was rejected. A termination for convenience action would open the Government to potential costly claims and would further limit the Government’s legal ability to re-procure the service within short notice. In this case, the Government elected to gable against the possibility of a filed claim against the contract and to invoke special provision J-7 which allows the Government under special conditions to supplement contractual work with its own forces. Required tractors and mowers were rented and requisite grass cutting continued through Thursday and Friday.

635th Aerospace Support Group, 1 April through 20 June 1976, Volume 2 history (AFHRA Call Number K-GP-SUP-635-HI, Apr-20 Jun 1976, V. 2, IRIS Number 1011991):

Appendix 7 “A”, History of 635th Civil Engineering Squadron, 1 April – 31 May 1976:

[NOTE: No mention of vegetation control in this history.]

Appendix 7 “B”, History of 635th Security Police Squadron, 1 April – 31 May 1976:

320

[NOTE: No Base Defense Section is included in this history, and there is no mention of any vegetation control issues, or base perimeter issues, in this history.]

Other Bases Not Included in the CHECO Report:

While the Veterans Administration based their herbicide exposure policy on the CHECO Report “Base Defense in Thailand”, some USAF Thailand bases were not mentioned in that report, and therefore, the VA did not extend herbicide exposure benefits to those who worked on or near the perimeter fences of these USAF installations. Below is research on these bases, Don Muang, Ko Kha and Mukdahan Air Stations.

Don Muang Airport

[NOTE: It should be remembered that Don Muang Airport is another name for Bangkok International Airport, and that the USAF was not responsible for such areas as base defense and vegetation control issues around the airports perimeter, as these were the responsibilities of Thai authorities.]

NOTE: See the 6010th Tactical Group, April 1961 through 8 July 1963. See 35th Tactical Group, 8 July 1963-1965; 6236th Combat Support Group, up to 7 April 1966. See 631st Combat Support Group from 8 April 1966 up to 30 June 1971. The 635th CSG, Det 1, took over on 1 July 1971.

[NOTE: Don Muang was the first base used by the USAF in Thailand. In April 1961, an advance party of the 6010th Tactical Group arrived at the request of the Royal Thai Air Force, to establish an aircraft control and warning system at Don Muang. Building #940 was designated as Headquarters for the first unit in Thailand. –Page 17 of the 631st Combat Support Group’s Oct-Dec 1968 history (AFHRA Call Number K-GP-SUP-631-HI, Oct-Dec 1968, IRIS Number 444420).]

35th Tactical Group, 1 July through 31 December 1963 (AFHRA Call Number K-GP-35-HI, Jul-Dec 1963, IRIS Number 435557):

Prior to 8 July 1963: HQ 6010 Tactical Group Don Muang Airport, Thailand 6011 Air Base Squadron Takhli Air Base, Thailand 6012 Air Base Squadron Ubon Airfield, Thailand

After 8 July 1963: HQ 35th Tactical Group (2nd Air Division) Don Muang Airport, Thailand Det 1, HQ 35 Tact Gp Korat Air Base, Thailand 35th Air Base Squadron Don Muang Airport, Thailand 331 Air Base Squadron Takhli Air Base, Thailand 332 Air Base Squadron Ubon Airfield, Thailand

Page 2, Personnel: On 8 July 1963, the 6010th Tactical Group was inactivated and the 35th Tactical Group activated with a subordinate unit, the 35th Air Base Squadron.

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A phase-out of Det 1, 5th Tactical Control Group was completed and the last remaining member transferred to the 35th Air Base Squadron in October 1963.

The mission of the Operations Section 35th Tactical Group is to assist the Royal Thailand Air Force in training personnel of the Thai Air Force, to monitor unit training of deployed PACAF forces, to support units and detachments located in Thailand which are assigned or attached to PACAF, to exercise operational control over USAF units located in Thailand, to coordinate air defense requirements with Chief Air Section JUSMAG, to coordinate enroute flight requirements of USAF aircraft departing Thailand.

Page 9, Security and Law Enforcement: Personnel problems were paramount, especially after the PCS loss, in October of MSgt Vowell, NCOIC. He has not been replaced. His loss reduced this section’s manning to four (4) Air Policemen. We are authorized seven.

[NOTE: As can be seen from the above, base security issues were not the responsibility of the USAF units at Don Muang, especially with only four air policemen to do the job. No herbicides were used at Don Muang, or noted in this history.]

35th Tactical Group, 1 January through 30 June 1964 (AFHRA Call Number K-GP-35-HI, Jan-Jun 1964, IRIS Number 435558):

[NOTE: Since the base was Thailand’s International Airport, the USAF did not have responsibility for base defense and thereby did not concern itself with matters such as vegetation control. At this time the security police and civil engineering sections complained mostly of manning shortages and small repairs to the few buildings available to the USAF unit. No mention is made of herbicides or perimeter security issues, as these were not responsibilities of the USAF organization at Don Muang.]

Page 16, Environmental Problems: First, it should be empathically pointed out that the 35th Tac Gp and its subordinate units are strictly guests in Thailand. There is a RTAF Base Commander at each airfield that our personnel are assigned. There is no “Status of Forces” agreement. Practically all of the permanent type buildings we occupy have been loaned to us for our use, and conceivably, we could be required to vacate at any time. Even when we have provided our own facilities, our permission to be there is just as vague. This is not to imply that we expect this permission to be withdrawn, but simply a statement of our somewhat “fragile” status. When coordinating with the Thais, we have found their pace to be slow, even hesitant. The Oriental “Save Face” peculiarity is deeply imbued in the Thai character. They resist committing themselves, if by so doing, they are liable to incur the disapproval of their superiors. These characteristics are exemplified by the status of the POL Hydrant systems in Thailand, the oldest of which is at Don Muang. This MAP installed system was accepted from the contractor about two years ago, yet to date it has never been used. The reason for its non-use is that the RTAF has failed to affix the responsibility for its operation. Further, due to its non-use, the systems valves and gaskets have deteriorated so that major repair

322 is required before it could be used. Newly installed systems at Takhli, Korat and Ubon are deteriorating for the same reason.

35th Tactical Group, 1 July through 31 December 1964, Volume 1 (AFHRA Call Number K-GP-35-HI, Jul-Dec 1964, V. 1, IRIS Number 435559):

Page 80, Security and Law Enforcement: Thefts in other areas also continued to be a matter of great concern for the Group security men. This problem was expected to continue into 1965 because of the lack of a sufficient number of air policemen at Don Muang to handle the security problem.

Page 81: One of the most serious problems for the office in the last half of 1964 was the situation of which USAF air policemen assigned to Don Muang were not authorized to carry firearms or to provide necessary security for Category A and B areas.

Page 86, Civil Engineering Activities: In the functional area of civil engineering, normal maintenance and repairs continued in the 35th Tactical Group from 1 July- 31 December 1964, with emphasis being placed on personnel billets and recreation and working areas.

[NOTE: The above is reproduced to show that air base defense was not a priority due to the Thai government’s restrictions and responsibility for Don Muang. Therefore, in the case of civil engineering, other projects took priority. There is no mention of vegetation control or herbicide use in this history.]

35th Tactical Group, 1 July through 31 December 1964, Volume 3 (AFHRA Call Number K-GP-35-HI, Jul-Dec 1964, V. 3, IRIS Number 435561):

Page 10, Security: At present, USAF personnel are not authorized to carry firearms under any circumstances at Don Muang. This has been a definite problem regarding the security of parked aircraft and other designated security areas. This matter is now being discussed at higher echelons. When resolved, in conjunction with additional personnel to be authorized, most of the problems associated with security and law enforcement at Don Muang will be greatly reduced.

Base Civil Engineering: Normal maintenance and repairs continued during this period with emphasis being placed on personnel billets, recreation, and working areas.

[NOTE: As can be seen from the above, issues such as vegetation control and base perimeter security just are not even in the USAF personnel’s world-view at this time at Don Muang. The Thai’s were in charge of base security, therefore the USAF police and civil engineering personnel did not concern themselves with such issues as foliage control and consequently, there was no call for herbicides to be used at Don Muang by USAF forces.]

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35th Tactical Group, 1 January through 30 June 1965 (AFHRA Call Number K-GP-35-HI, Jan-Jun 1965, IRIS Number 435562):

Page 1, Mission: To assist the RTAF in the training of personnel of the Royal Thai Air Force. To support USAF units and detachments located in Thailand, which are assigned or attached to the 2nd Air Division. To exercise operational control or command, as directed by competent authority, over those USAF units and detachments located in Thailand in support of the 2nd Air Division.

Subordinate Units: 35th Air Base Squadron, Don Muang AB, Thailand.

Page 39, Staff Civil Engineer: On 1 January 1965, the Group Staff Civil Engineering office was manned and three Thai engineers and four Thai draftsmen assigned.

[NOTE: No mention is made of any perimeter issues or vegetation control.]

Page 60, Security and Law Enforcement: At the beginning of 1965, the Security and Law Enforcement Section at Don Muang consisted of five air policemen.

Base security at Don Muang at that time was handled by RTAF air police.

[NOTE: No mention is made of any perimeter issues or vegetation control.]

Historical Data Record, 35th Air Base Squadron, Jan-Jun 1965:

[NOTE: No mention is made of any perimeter issues or vegetation control.]

[NOTE: No unit histories were submitted by units located at Don Muang for the July through December 1965 period.]

631st Combat Support Group, 1 January through 30 June 1966 history (AFHRA Call Number K-GP-SUP-631-HI, Jan-Jun 1966, IRIS Number 444413):

Page 2, Narrative: In April of this year the 631st Combat Support Group was redesignated from the 6236th Combat Support Group [sic—the 6236th Combat Support Group was inactivated and the 631st Combat Support Group activated in its place]. It should be noted that the Group functions mainly for other units and these units and/or detachments are not under the control of 13AF and in some cases are not members of PACAF.

Historical Data Record, 631st Base Civil Engineer, Jan-Jun 1966:

Page 1, Mission:

324

The mission of this section is to plan, supervise, and coordinate all activities at Don Muang RTAFB, in the following areas:…insect and rodent control and other miscellaneous services…

[NOTE: No specific mention of any vegetation control and no mention of the use of herbicides.]

Historical Data Record, 631st Combat Support Group, Director, Security and Law Enforcement, Jan-Jun 1966:

[NOTE: No mention is made of any perimeter fence issues, vegetation control or herbicide use.]

[NOTE: No 631st Combat Support Group history was submitted to the AFHRA for the July through December 1966 time period.]

631st Combat Support Group, 1 January through 30 June 1967 history (AFHRA Call Number K-GP-SUP-631-HI, Jan-Jun 1967, IRIS Number 444414):

Page 22, Security: Security at Don Muang Royal Thai AFB, and for the 631st Combat Support Group during this reporting period was excellent. Security Police units were well- manned and adequately augmented with Thai Security Guards. Several self- help programs were initiated to improve working and living conditions for both Security Police and Thai Guard personnel. Loss of U.S. government property through theft steadily decreased throughout the period as education and motivation programs were stressed for all personnel.

[NOTE: As can be seen, this report reflects a peace-time attitude and there is no hint of any concern with vegetation control along the perimeter fence of this installation by the security police.]

631st Combat Support Group, 1 July through 30 September 1967 history (AFHRA Call Number K-GP-SUP-631-HI, Jul-Sep 1967, IRIS Number 444415):

Page 17, Security: To better afford protection to all USAF areas of responsibility, additional positive security measures were implemented. This entailed revamping all special security instructions, special operating instructions, realigning post sentries and the operations plan for the installation defense. Other work included issuance of identification cards, restricted area badges, and processing accident reports.

[NOTE: All of the above security enhancements appear to be more administrative than physical changes. No mention of any vegetation control or perimeter fence issues in this history.]

631st Combat Support Group, 1 October through 31 December 1967 history (AFHRA Call Number K-GP-SUP-631-HI, Oct-Dec 1967, IRIS Number 444416):

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Page 20, Security: An easing of the firearms policy for USAF security personnel in Thailand in October eliminated a frustrating situation for security policemen. The new interpretation of the policy permitted USAF security personnel to be openly armed in sensitive security areas.

The only problems [in the Thai and US security police relationship] occurred when USAF vehicles violated the RTAF ground traffic rules in the flightline environs. These violations inevitably brought a letter of complaint to the 631st Group Commander, and in all cases the letters were signed by a two or three star Thai general, emphasizing the Thai attitude on this subject.

[NOTE: As can be seen from the above, it was the Thai military that ran the Bangkok International Airport and they were in charge of its security and operations. Therefore, the USAF did not have control over its perimeter fence and did not have authority to apply herbicides to its fence. The cantonment area’s vegetation appears to have been cut by mowing, according to the base civil engineer’s historical data report, below.]

Don Muang Royal Thai Air Force Base, Bangkok International Airport, Thailand, on 4 November 1967. The Airport was just to the left of this installation, across a major highway. The “H”-shaped buildings were

326 dormitories. Building to the immediate upper right of dorm area was the dining hall. Other buildings were Materiel Squadron warehouses, open storage areas and corrosion control.

Appendix 6, Historical Data Report, Base Civil Engineer, 1 Oct-31 Dec 1967:

Page 2, paragraph d: The Base Vegetation Control (grass cutting) contract is in progress providing a better appearance of the base proper and Cantonment Area.

631st Combat Support Group, 1 January through 31 March 1968 history (AFHRA Call Number K-GP-SUP-631-HI, Jan-Mar 1968, IRIS Number 444417):

[NOTE: No mention of any vegetation control in this history.]

631st Combat Support Group, 1 April through 30 June 1968 history (AFHRA Call Number K-GP-SUP-631-HI, Apr-Jun 1968, IRIS Number 444418):

[NOTE: No mention of any vegetation control program or issues in this history.]

631st Combat Support Group, 1 July through 30 September 1968 history (AFHRA Call Number K-GP-SUP-631-HI, Jul-Sep 1968, IRIS Number 444419):

[NOTE: No mention of any vegetation control program or issues in this history.]

631st Combat Support Group, 1 October through 31 December 1968 history (AFHRA Call Number K-GP-SUP-631-HI, Oct-Dec 1968, IRIS Number 444420):

Page 17, Facilities: There were approximately 100 officers assigned to Don Muang and most were billeted in government leased facilities in Bangkok. A few officers and senior non-commissioned officers, who had arrived prior to 1 February 1968 and were permitted to reside on the local economy, remained on the economy. Transient officers were billeted in the Chao Phya Hotel in Bangkok, or were issued statements of non-availability of government quarters, and permitted to live on the economy and collect extra pay for compensation.

The majority of NCOs in the grade of staff sergeant or above, permanently assigned to Don Muang, resided in the government leased Trocadero and Princess hotels in Bangkok. Most temporary duty men were housed in the Trocadero, while transient personnel lived in the Vieng Tai Hotel.

Page 18: Enlisted men were given permission to reside on the economy at government compensation when the previously listed hotels were full. Enlisted men assigned to small detachments at Don Muang regardless of rank, were billeted in Bangkok.

Most of the enlisted men in the grade of sergeant and below lived in the Cantonment Area at Don Muang. The NCOs lived in 3-man cubicles while the

327 airmen were billeted in open bays. All of these facilities were equipped with overhead fans for added comfort, while the facilities in Bangkok were all air conditioned.

At the end of the quarter it was determined that the U.S. Air Force mission at Don Muang was being jeopardized because of terminal limitations and in-town troop billeting. Other factors cited as hampering the mission were an overcrowded ramp, time lag because of personnel living great distances from the base, the Thai political influence, and siting approval for terminal and billeting. The billeting was termed sub-standard and the cost exorbitant and the communications situation, it was very difficult to contact people living in Bangkok.

The 631st CSG proposal was to vacate some hotels which were some 20 miles from Don Muang. In their place they would lease the Liberty and Dorchester hotels, which would cut response time 50 per cent. It was further pointed out that the lease of the last two facilities would improve living conditions and morale, save on billeting and transportation costs, lower profile image of U.S. troops, improve safety, and command and control would be improved.

Page 19: The proposal was to issue as soon as possible termination notices to Princess and Princess Annex; issue after 14 February 1969 termination notice to Vieng Thai Hotel, negotiate contracts with Dorchester and Liberty Hotels, serve notice of intent to cancel lease of Trocadero Hotel, and negotiate with Tommie’s Tourist Agency (TTA) to handle transient overages.

[NOTE: No mention of any vegetation control, which is not surprising, since the USAF was not responsible for Bangkok International Airport’s vegetation control. As can be seen from the above, a large majority of the base population did not live on the base, but in downtown Bangkok, away from the base.]

631st Combat Support Group, 1 January through 31 March 1969 history (AFHRA Call Number K-GP-SUP-631-HI, Jan-Mar 1969, IRIS Number 444421):

[NOTE: No mention of any vegetation control, which is not surprising, since the USAF was not responsible for Bangkok International Airport’s vegetation control.]

Thirteenth Air Force, 1 July 1968 through 30 June 1969, Volume 1 (AFHRA Call Number K750.01, FY 1969 (1 Jul 68-30 Jun 69), Vol 1, IRIS Number 899069):

[NOTE: After the attack on Udorn in July 1968, efforts were made to improve base defense in Thailand. The below entry concerns Thailand as a whole as of 28 April 1969:]

Page I-244, Base Defense: Other improvements in the defense posture were authorization for 303 sentry dogs, steps toward a complete conversion of the commercial vehicle fleet to M- Series vehicles; conversion from a single-channel non-tactical network to a dual- channel system; improved weapons inventory including arming all Thai guards

328 with M-16 rifles. Other beneficial steps were constructing physical security aids such as bunkers, gun emplacements, erecting 368,531 linear feet of fixed fortification fencing, and defoliation of perimeter areas.

Thirteenth Air Force, 1 July 1968 through 30 June 1969, Volume 4 (AFHRA Call Number K750.01, FY 1969 (1 Jul 68-30 Jun 69), Vol 4, IRIS Number 899072):

Supporting Document 184, Message, HQ 13AF to CINCPACAF/Commander, 281130Z April 1969, Subject: Base Defense/Security – Thailand:

Page 4 of 5, paragraph 6 d: Defoliation is underway and in various stages of completion.

[NOTE: As can be seen, with only one sentence out of five pages of this message, vegetation control did not merit much discussion. To clear the areas near the perimeter fences quickly to afford a defensive advantage, the foliage would have to be removed quickly. Herbicides do not do this as the debris is still required to be removed. Initial vegetation control was most likely conducted by mowing, cutting, burning, bull-dozing or use of other heavy equipment like road graders.]

631st Combat Support Group, 1 April through 30 June 1969 history (AFHRA Call Number K-GP-SUP-631-HI, Apr-Jun 1969, IRIS Number 444422):

Page 36, Security: The establishing of a Base Defense Security Center (BDSC), which was a joint effort between the RTAF and USAF, became a reality during this history period. It has the capability for maintaining communication with other free world forces and aiding in protection and defense of Don Muang. The BDSC went into operation in tow rooms adjacent to Central Security Control in Building 946.

[NOTE: Since the Royal Thai Air Force was in charge of security of Don Muang and the international airport, the best the USAF could do to influence base defense was to create a coordination center. There is no hint that the USAF could conduct any vegetation control, herbicide or by any other means, at this location.]

631st Combat Support Group July through September 1969 history (AFHRA Call Number K-GP-SUP-631-HI, Jul-Sep 1969, IRIS Number 444423):

Page 47, Security: On 15 July, Headquarters Thirteenth Air Force gave its approval for Don Muang to order the M-79 and flare guns. A total of 11 Grenade Launchers were requested from base supply, and five were received. All 13 flare guns requested were received. The assignment of this equipment was another significant step in procuring equipment for an effective base weapon defense system.

329

[NOTE: The above shows the very beginnings of an attempt to create a base defense capability. Note that vegetation control, which was the purview of the Royal Thai Air Force, is not included.]

631st Combat Support Group October through December 1969 history (AFHRA Call Number K-GP-SUP-631-HI, Oct-Dec 1969, IRIS Number 444424):

Page 45, Security: During this history period, the base defense plan for 1970, which was to become effective 1 January 1970, was drafted and forwarded to Seventh/Thirteenth Air Force’s Director of Security Police for review. The plan was accepted and returned with a suggestion that in view of Don Muang’s recent reversion to a non- SEA tour and the low threat level existing in the Don Muang area, the base defense plan would be constituted as a contingency plan.

[NOTE: As can be seen from the above, the threat to Don Muang was so low that higher headquarters did not emphasize base defense measures at this installation. With the responsibility for base defense belonging to the Thai government, and with no authority to interfere with the base facilities, it does not appear that there was ever a vegetation control program at Don Muang.]

Don Muang Airport Cantonment Area for the USAF forces at Bangkok International Airport, November 1969.

631st Combat Support Group January through March 1970 history (AFHRA Call Number K-GP-SUP-631-HI, Jan-Mar 1970, IRIS Number 444425):

330

[NOTE: No mention of any vegetation control at Don Muang installation, located at the Bangkok International Airport.]

631st Combat Support Group April through September 1970 history (AFHRA Call Number K-GP-SUP-631-HI, Apr-Sep 1970, IRIS Number 444426):

[NOTE: The base began phasing out many of its activities at this time and there is no mention of any vegetation control at Don Muang installation, located at the Bangkok International Airport.]

631st Combat Support Group October through December 1970 history (AFHRA Call Number K-GP-SUP-631-HI, Oct-Dec 1970, IRIS Number 444427):

[NOTE: No mention of any vegetation control at Don Muang installation, located at the Bangkok International Airport.]

631st Combat Support Group January through March 1971 history (AFHRA Call Number K-GP-SUP-631-HI, Jan-Mar 1971, IRIS Number 444428):

[NOTE: No mention of any vegetation control at Don Muang installation, located at the Bangkok International Airport.]

[NOTE: No April through June 1971 history for the 631st Combat Support Group was submitted, probably due to the suddenness of its inactivation on 30 June 1971. The duties of housekeeping for Don Muang Royal Thai Air Force Base are taken over by the 6236th Air Base Squadron. They submit their first, and only, history covering the July through November 1971 time period.]

6236th Air Base Squadron July through November 1971 history (AFHRA Call Number K-SQ-AB-6236-HI, Jul-Nov 1971, IRIS Number 900091):

Page 1, Mission: Taking up the support mission, the 6236 Air Base Squadron continued to provide, on a smaller scale, the same support to assigned and attached units at Don Muang Airport. More closely defined, the mission was to support the movement of passengers and cargo through the Bangkok/Don Muang area and to provide other logistic and administrative support as required.

Page 3, Phasedown and Termination: Cantonment Closure – DM [Director of Materiel]: The Director of Materiel quickly planned and executed all necessary actions to assure a rapid and smooth closure of the cantonment area. To assist in the emptying of all buildings in the cantonment area, the Chief of Supply Operations hired ten local-nationals on a temporary basis on 28 Jul 71. Both Supply Operations and the Transportation function worked seven days per week in August and September to assure all suspenses for emptying of buildings were met.

331

On 1 Jul 71, the Cantonment Billeting Office was relocated from Bldg 2218 to Bldg 2060. To allow dismantling of the transient barracks (Bldgs 2213, 2214, 2218, 2219 and 2042) the old transient facilities were relocated to Bldg 2060 and 2062 on 15 Jul 71. On 1 Sep 71, the transient billeting responsibility was assumed by USARSUPTHAI-Bangkok Detachment as a result of a verbal agreement between Capt L. Stokes, Jr., Chief of Supply Services and Colonel J.L. Blackwell, Commander of USARSUPTHAI-Bangkok Detachment.

Page 4: On 15 Sep 71, permanent party personnel (E-1 through E-6 unaccompanied) were relocated from the barracks to the Rome and Dorchester Hotels in Supankwai District, Bangkok, Thailand. Under a billeting contract with Tommies Tourists Agency (TTA) which specified a “pay as utilized” stipulation, form 0-160 beds per day were made available at an estimated cost of 3,750 monthly.

The heaviest concentration of activity occurred from 1 Sep-20 Sep 71. During this period, approximately 1,000,000 pounds of general cargo, vehicles, and pre- fabricated buildings were prepared and shipped by TMO. Pre-fabricated buildings included the base theatre, BX and annex, Chapel and annex, library, and Service Club. By 15 Sep 71, the permanent supply facilities in the Cantonment Area were vacated. On 20 Sep 71, the packing and crating function was moved from building 2027 in the cantonment to building 1019 on the Don Muang RTAFB side [of the Bangkok International Airport]. This action concluded the transfer of all DM functions and facilities from the cantonment to the Don Muang RTAFB side [of the Bangkok International Airport].

Supply: The materiel facilities and operational support functions were eliminated 1 Dec and 1 Nov 71 respectively. The tool issue center was transferred to the 635 CSG (LGS) on 15 Sep 71.

Page 5, Vehicle Maintenance: Effective 1 Dec 71, all remaining AF vehicles assigned to Don Muang were placed under local contract for vehicle maintenance.

Vehicle Operations: With the exception of five vehicles being retained by Trans Asia until 31 Dec 71, only 16 vehicles well remain at Don Muang Airport to fill valid authorizations. The contracts for Service Club bus tours, Base Shuttle Service, Bangkok Taxi Pool and Cantonment Area Taxi Pool were all discontinued prior to 1 Oct 71.

Traffic Management Office: On 1 Oct 71, the packing and crating section was placed under Thailand-Wide Packing and Crating contract..

Page 6, Aircraft Maintenance: The new Transient Maintenance Contract was submitted to Thailand Procurement Center (TPC) on 29 Oct 71. The changes were incorporated into the existing contract on 4 Nov 71. The contract remains essentially the same except for the following changes: Contractor assumed responsibility for wash-down ramp fuel spills.

332

With close down of Base Operations, the contractor assumed responsibility for assigning parking spots and taking care of previous parking permission for RON’s [remain over night Contractor assumed responsibility to provide Crash Recovery Equipment on an as-needed basis.

Page 7, Civil Engineering, Cantonment Closure: Following direction by higher headquarters to cease further facility investment in the Cantonment Area (except critical maintenance), authority was received 13 Jul 71 to initiate procurement action toward award of a service contract to dismantle, and package for shipment, the re-locatable structures and associated Real Property Installed Equipment.

Page 8: The contract was awarded 3 August 1971 at a cost of 625,000.00 Baht (approximately $30,000.00) to Sahasin Enterprise Co. Beginning work 9 Aug 71, the Contractor completed the project 20 Sep 71. [Various buildings were sent to U-Tapao, Taigu, Korat and Kunsan air bases.]

A joint USAF/RTAF inspection and inventory of Cantonment Area facilities was conducted 20 Sep 71 to validate transfer documents. Formal acceptance of the area was accomplished 30 Sep 71, the date upon which RTAF signed the DD Form 1354 documents. Concurrently with actions to vacate the Cantonment Area, remaining functions were relocated to the Flight Line side of Don Muang RTAFB as below: Base Supply Warehouse Bldg 1019 Packing & Crating Bldg 1019 Base Supply Administration Bldg 444 Special Services Bldg 444 Civil Engineering O&M Bldg 439-6 Billeting Bldg 440 Base Exchange Bldg 440

Page 9, USAF Fire Department: Direction was received from Hq 13AF to the effect that future fire protection of USAF activities at Don Muang Airport should be assumed by RTAF and Directorate of Civil Aviation Fire Departments, followed by complete closure of the USAF Fire Department. Effective 15 Oct 71, RTAF and DCA assumed all responsibility for crash/rescue and structural fire fighting support of US activity at Don Muang Airport.

Page 15, Security Police: The 6236 Air Base Squadron Security Police played a significant role in the closure of the Cantonment – providing security which allowed a fast and relatively secure relinquishment of control. During Cantonment closure actions, the total loss of government property through theft and pilferage was valued at less than $3.00.

Page 22: The 6236th Air Base Squadron was inactivated on 30 Nov 71 and was succeeded by Detachment 1, 635th Combat Support Group on 1 Dec 1971. Under the new

333 detachment profile, the Don Muang Airport support elements were confined to three buildings on the flight line and another located near the old 631st Headquarters.

[NOTE: With the closure of the cantonment area, as of 30 November 1971, the only USAF presence was in a few buildings on one side of the Bangkok International Airport. Since this was a civilian airport, the USAF had no airport or base security duties and therefore there were no requirements for the USAF to contemplate vegetation control at this Thai government airport.]

635th Combat Support Group, 1 July through 30 September 1972 history (AFHRA Call Number K-GP-SUP-635-HI, Jul-Sep 1972, IRIS Number 901206):

Page 6, Organization: Due to Royal Thai Government restrictions, Military Airlift Command (MAC) commercial contract cargo and passenger flights were only allowed to land at two bases in Thailand, Don Muang Airport [Bangkok International] and U-Tapao.

[NOTE: Since the Don Muang Airport facilities were not on a USAF installation, no security or vegetation control issues arose at this location, which shared space at Bangkok International Airport. Although the function lasted until finally closed in January 1976 (on 30 January 1976, Detachment 1, 635th Combat Support Group (redesignated at 635th Aerospace Support Group on the same day) was inactivated and its place at Don Muang Airport was filled by Operating Location AB (OLAB), 635th Aerospace Support Group, and the base closed as of 31 January 1976), no vegetation control responsibilities were ever required of this location.]

635th Combat Support Group, 1 October through 31 December 1972 history (AFHRA Call Number K-GP-SUP-635-HI, Oct-Dec 1972, IRIS Number 901207):

[NOTE: Detachment 1, 635th Combat Support Group, provided support to the USAF presence at Don Muang, Bangkok.]

Page 32, Don Muang Support: This detachment was the host and primary support unit for Don Muang Airport. The overall military presence around Bangkok had been on the decline since 30 June 1971. This pattern was very evident in this cycle as the 4103rd Air Refueling Squadron (Provisional) stationed at Don Muang was inactivated and other phasedown plans were taken.

Page 33: Following the 4103rd’s departure further plans were initiated to diminish the USAF physical presence in the Bangkok area. The major thrust of this idea was either to inactivate or reduce the size of Detachment 1.

[NOTE: No mention of vegetation control issues.]

334

635th Combat Support Group, 1 January through 31 March 1973 history, Volume 1 (AFHRA Call Number K-GP-SUP-635-HI, Jan-Mar 1973, V. 1, IRIS Number 901208):

[NOTE: Detachment 1, 635th Combat Support Group, provided support to the USAF presence at Don Muang, Bangkok.]

Page 36, Don Muang Support: [Discussions held and draft plans made to close down Don Muang, but no decision by the end of the quarter was made.] Detachment 1 also initiated plans to assist in the training of Khmer (Cambodian) Air Force C-123K crews at Don Muang. The unit could not provide classrooms and office space but did offer an overnight parking area for one C-123 aircraft. The crews and airplane were expected to begin training in April.

[NOTE: Since the Don Muang Airport facilities were not on a USAF installation, no security or vegetation control issues arose at this location, which shared space at Bangkok International Airport. Although the function lasted until finally closed in January 1976 (on 30 January 1976, Detachment 1, 635th Combat Support Group (redesignated at 635th Aerospace Support Group on the same day) was inactivated and its place at Don Muang Airport was filled by Operating Location AB (OLAB), 635th Aerospace Support Group, and the base closed as of 31 January 1976), no vegetation control responsibilities were ever required of this location.]

[NOTE: No mention of vegetation control issues.]

635th Combat Support Group, 1 April through 30 June 1973 history, Volume 1 (AFHRA Call Number K-GP-SUP-635-HI, Apr-Jun 1973, V. 1, IRIS Number 901210):

[NOTE: Detachment 1, 635th Combat Support Group, provided support to the USAF presence at Don Muang, Bangkok.]

Page 36, Don Muang Support: The Group’s Detachment 1 operation at Don Muang Airport was preparing to inactivate on 1 July and reduce the USAF presence there by 31 August at the onset of the quarter. This unit was responsible for supporting several USAF agencies in the Bangkok area.

On 20 June, 13AF announced that the planned phasedown would not be implemented in Fiscal Year April through June 1973. [The plan was put on hold.]

[NOTE: No mention of vegetation control issues.]

635th Combat Support Group, 1 July through 30 September 1973 history, Volume 1 (AFHRA Call Number K-GP-SUP-635-HI, Jul-Sep 1973, V. 1, IRIS Number 901212):

[NOTE: Detachment 1, 635th Combat Support Group, provided support to the USAF presence at Don Muang, Bangkok.]

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Page 33, Don Muang Support: In July, the Detachment underwent a Civil Engineering Staff Assistance Evaluation Team (CESAET) visit in which it received an overall rating of satisfactory. It also initiated four non-personnel service contracts. Two contracts, removal of debris a the sewage Treatment Plant and a trench for the Control Tower’s cable installation were completed while the two remaining contracts: replacement of 6” overflow line and the replacement of concrete floor in building #1050 and grass cutting of building #1050, and removal of waste oil, were nearing completion at the end of the quarter.

[NOTE: Besides the grass cutting, there is no mention of vegetation control issues.]

635th Combat Support Group, 1 July through 30 September 1973 history, Volume 2 (AFHRA Call Number K-GP-SUP-635-HI, Jul-Sep 1973, V. 2, IRIS Number 901213):

Appendix VI, Document 6, History of Detachment 1, 635th Combat Support Group, Jul-Sep 1973:

[NOTE: This is the first time Detachment 1, 635th CSG submitted a history.]

Page 1, Mission: The unit is responsible for supporting the USAF organizations at Don Muang Airport, Thailand. The unit is responsible for supporting: Det 2, 1985th Communication Squadron Det 8, 6th Aerial Port Squadron Operating Location (OL) 16AC, Postal and Courier Service

Logistics and administrative support will be provided to other USAF organizations within the unit’s capabilities. Further, Det 1, 635CSG, will serve as a holding organization for Manpower UDL [unit detail listing] authorizations pertaining to Hq 13AF (to include 7/13AF) operating activities performing independently within the Bangkok City area, and provide them with administrative/logistics support.

[NOTE: The security police section of the detachment concerned itself with customs procedures, as the security of Bangkok International Airport was the responsibility of the Royal Thai Air Force.]

Page 5, Morale: General morale remained high during this period. The project initiated by the Commander, Det 1, 635CSG, to allow single and unaccompanied personnel to procure their won quarters in the local community rather than live in a contract hotel was completed. This aided greatly in raising the morale of affected personnel.

[NOTE: With the closure of the cantonment area, as of 30 November 1971, the only USAF presence was in a few buildings on one side of the Bangkok International Airport. Since this was a civilian airport, the USAF had no airport or

336 base security duties and therefore there were no requirements for the USAF to contemplate vegetation control at this Thai government airport.]

Page 10, Civil Engineering: The two contracts for which work is in progress are Contract #F62272-74-M-0654 (Replacement of 6” Overflow Line and the Replacement of Concrete Floor at Building #1050) and Contract #F62272-74-M-0746 (Grass Cutting of Building #1050ICS Compound and Removal of Waste Oil Det 412 and GCA).

[NOTE: Besides the grass cutting, there is no mention of vegetation control issues.]

635th Combat Support Group, 1 October through 31 December 1973 history, Volume 1 (AFHRA Call Number K-GP-SUP-635-HI, Oct-Dec 1973, V. 1, IRIS Number 901214):

[NOTE: Detachment 1, 635th Combat Support Group, provided support to the USAF presence at Don Muang, Bangkok.]

Appendix V, Document 16, Det 1, 635th Combat Support Group History for the Oct-Dec 1973 Period:

Page 1, Mission: The unit is responsible for supporting the USAF organizations at Don Muang Airport, Thailand. The unit is responsible for supporting: Det 2, 1985th Communication Squadron Det 8, 6th Aerial Port Squadron Operating Location (OL) 16AC, Postal and Courier Service

Page 11, Civil Engineering: There were two non-personnel service contracts completed during this period. The contracted work was to replace a 6” over-flow line and concrete floor and to cut grass around Building 1050.

[NOTE: Besides the grass cutting, there is no mention of vegetation control issues.]

635th Combat Support Group, 1 January through 31 March 1974 history, Volume 1 (AFHRA Call Number K-GP-SUP-635-HI, Jan-Mar 1973, V. 1, IRIS Number 1002093):

[NOTE: Detachment 1, 635th Combat Support Group, provided support to the USAF presence at Don Muang, Bangkok.]

[NOTE: With the closure of the cantonment area, as of 30 November 1971, the only USAF presence was in a few buildings on one side of the Bangkok International Airport. Since this was a civilian airport, the USAF had no airport or base security duties and therefore there were no requirements for the USAF to contemplate vegetation control at this Thai government airport.]

337

Appendix V, History of Detachment 1, 635th Combat Support Group, Jan-Mar 1974:

[NOTE: There is no mention of vegetation control issues.]

635th Combat Support Group, 1 April through 30 June 1974 history, Volume 1 (AFHRA Call Number K-GP-SUP-635-HI, Apr-Jun 1973, V. 1, IRIS Number 1001040):

[NOTE: Detachment 1, 635th Combat Support Group, provided support to the USAF presence at Don Muang, Bangkok.]

[NOTE: With the closure of the cantonment area, as of 30 November 1971, the only USAF presence was in a few buildings on one side of the Bangkok International Airport. Since this was a civilian airport, the USAF had no airport or base security duties and therefore there were no requirements for the USAF to contemplate vegetation control at this Thai government airport.]

Appendix V, History of Detachment 1, 635th Combat Support Group, Apr-Jun 1974:

[NOTE: There is no mention of vegetation control issues.]

635th Combat Support Group, 1 July through 30 September 1974 history (AFHRA Call Number K-GP-SUP-635-HI, Jul-Sep 1974, IRIS Number 1001040):

[NOTE: Detachment 1, 635th Combat Support Group, provided support to the USAF presence at Don Muang, Bangkok.]

[NOTE: With the closure of the cantonment area, as of 30 November 1971, the only USAF presence was in a few buildings on one side of the Bangkok International Airport. Since this was a civilian airport, the USAF had no airport or base security duties and therefore there were no requirements for the USAF to contemplate vegetation control at this Thai government airport.]

Page 16, Don Muang/Bangkok Activities: The Thailand drawdown, as it affected the USAF activity in the Bangkok/Don Muang area became a subject of many communications and meetings during the quarter.

The Don Muang passenger terminal issue surfaced again on 31 August 1974 by Pacific Air Command in requesting information to assist in staffing a proposal to retain Don Muang Aerial Port Detachment until 31 December 1974.

Appendix V, History of Detachment 1, 635th Combat Support Group, Jul-Sep 1974:

Page 2, Major Accomplishments: The 90% destruction by fire of building 1019 on 5 September 1974 caused immediate changes of location for the Det 1, 635 CSG TMO and Supply

338 functions. Supply moved into vacant space in building 439/1 and was operational the next week. The TMO function moved to a new location in building 439/4 and currently shares some floor space with TransAsia. They, too, were operational within a week.

[NOTE: There is no mention of vegetation control issues.]

635th Combat Support Group, 1 October through 31 December 1974 history (AFHRA Call Number K-GP-SUP-635-HI, Oct-Dec 1974, IRIS Number 1011310):

[NOTE: Detachment 1, 635th Combat Support Group, provided support to the USAF presence at Don Muang, Bangkok.]

[NOTE: With the closure of the cantonment area, as of 30 November 1971, the only USAF presence was in a few buildings on one side of the Bangkok International Airport. Since this was a civilian airport, the USAF had no airport or base security duties and therefore there were no requirements for the USAF to contemplate vegetation control at this Thai government airport.]

[NOTE: Detachment 1, 635th Combat Support Group did not submit any separate historical report for the October through December 1974 period. The narrative of the 635th Combat Support Group history does note Detachment 1’s activities, it is in the realm of tour length and no mention is made of any vegetation control issues at Don Muang.]

[NOTE: The 635th Combat Support Group did not submit any historical reports for the January through March 1975 period.]

635th Combat Support Group, 1 April through 30 June 1975 history (AFHRA Call Number K-GP-SUP-635-HI, Apr-Jun 1975, IRIS Number 1008063):

[NOTE: Detachment 1, 635th Combat Support Group, provided support to the USAF presence at Don Muang, Bangkok.]

[NOTE: With the closure of the cantonment area, as of 30 November 1971, the only USAF presence was in a few buildings on one side of the Bangkok International Airport. Since this was a civilian airport, the USAF had no airport or base security duties and therefore there were no requirements for the USAF to contemplate vegetation control at this Thai government airport.]

Appendix V, History of Detachment 1, 635th Combat Support Group, Apr-Jun 1975:

Page 5, Civil Engineering: The Trans Asia contracted Operation & Maintenance Service was terminated on 30 June 1975.

[NOTE: There is no mention of vegetation control issues.]

339

635th Combat Support Group, 1 July through 30 September 1975 history (AFHRA Call Number K-GP-SUP-635-HI, Jul-Sep 1975, IRIS Number 1010085):

Page 48, Trans-Asia Contract: Both new and old facilities had to be maintained by someone. That job had often fallen to the Trans-Asia Company through a maintenance contract with the civil engineers. That contract was not renewed, however, on 1 July, and plans were to covert from a contract operation to a military and local national operation. From 23 to 31 July two NCOs form the Thirteenth Air Force civil engineering travelled to U-Tapao to evaluate the Trans-Asia to military conversion. Their examination of work control activities, programming of work orders, bench stock support and material support from base supply indicated that the transfer of work was progressing at a satisfactory level.

Appendix V, Document F, History of Detachment 1, 635th Combat Support Group, Jul-Sep 1975:

Page 1, Budgetary Matters/Resource Conservation: The FY76 budget was received and funding was only 57.6 percent of the original request (1,491.6 vs 857.0). This austere funding will create problems in two major areas: leased space (EEIC 471), and transportation (EEIC 431 & 469). This unit funds for leased space used by all Air Force units in the Bangkok/Don Muang area, plus 84 percent of the cost of rental on buildings used by TRE and commissary. This is covered by an Inter Service Support Agreement. Transportation problems will result from the lack of military transportation to transport assigned personnel to and from work. All personnel reside in Bangkok and must travel to Don Muang to work, a distance of 25 to 50 kilometers. Private transportation is minimum due to this unit being a non-agreement organization, therefore; personnel must apply for duty free privileges to bring a car in country. This usually takes 12 to 15 months to receive.

635th Combat Support Group, 1 October through 31 December 1975 history (AFHRA Call Number K-GP-SUP-635-HI, Oct-Dec 1975, IRIS Number 1010620):

[NOTE: Up until 30 January 1976, Detachment 1, 635th Combat Support Group, provided support to the USAF presence at Don Muang, Bangkok. On 30 January 1976 Detachment 1, 635th Combat Support Group was inactivated and replaced with Operating Location AB, 635th Aerospace Support Group (the 635th combat Support Group was redesignated as the 635th Aerospace Support Group on 30 January 1976).]

[NOTE: With the closure of the cantonment area, as of 30 November 1971, the only USAF presence was in a few buildings on one side of the Bangkok International Airport. Since this was a civilian airport, the USAF had no airport or base security duties and therefore there were no requirements for the USAF to contemplate vegetation control at this Thai government airport.]

Appendix IV, Document F, History of Det 1, 635 Combat Support Group (Oct 1975-30 Jan 1976) & OLAB, 635th Aerospace Support Group, 31 January 1976:

340

Page 1, Unit Status, Organization: 13th Air Force Programmed Action Directive (PAD) Don Muang Bravo 76-13-9 was received on 23 November 1975 with a “Y” date of 31 December 1975. The unit was planned to be inactivated on Y+30 days. Special Order GA-46 dated 24 December 1975 inactivated Detachment 1, 635th Combat Support Group and established OLAB, 635th Aerospace Support Group [the 635th Combat Support Group was redesignated as such on 30 January 1976] located at Don Muang [Bangkok International Airport].

A meeting was held on 20 January 1976 between MACTHAI/facility engineers and 635th Combat Support Group/Supply/DE. At this meeting it was decided that MACTAHI would sign for the remaining buildings and provide Civil Engineering and utilities support. The turnover of the 28 buildings, related Real Property and supplies to the Royal Thai Government was done on 27 and 28 January 1976 two days ahead of schedule.

Page 6, Civil Engineering: During this period along with the regular workload the civil Engineering branch had to prepare buildings for turnover to the Royal Thai Government due to unit inactivation. One of the many jobs Civil Engineering accomplished was the physical movement o9f the five dog kennels to the air fright storage yard. They also had to modify the interior of the air freight warehouse into offices to house the residual force that would remain after the closure. The civilian work force was terminated on 24 January 1976. They were utilized to the final work day to clean up the vacated buildings and grounds, and to help move furniture, etc. Civil Engineering coordinated with MACTAHI/facility engineers on supplying drinking water to the residual force and maintenance requirements as needed.

635th Aerospace Support Group, 1 January through 31 March 1976 history (AFHRA Call Number K-GP-SUP-635-HI, Jan-Mar 1976, IRIS Number 1011429):

Chronology: 20 March All U.S. operations except retrograde and base closure ceased at Chaing Mai, Ko Kha, and U-Tapao after negotiations failed between the U.S. and Thai governments.

[NOTE: The OLAB, 635th Aerospace Support Group, located at Don Muang (Bangkok International Airport) did not submit any unit history for the January through March 1976 time period; although the October through December 1975 submission did cover January 1976 as well. No mention of any vegetation control issues are found in this history.]

635th Aerospace Support Group, 1 April through 20 June 1976 history (AFHRA Call Number K-GP-SUP-635-HI, Apr-20 Jun 1976, IRIS Number 1011990):

Foreword: On 20 June 1976, U-Tapao RTNA, Thailand was returned to Thailand, the last of the U.S. military departed, and the Group with subordinate units was inactivated.

341

[NOTE: The OLAB, 635th Aerospace Support Group, located at Don Muang (Bangkok International Airport) did not submit any unit history for the April through June 1976 time period. No mention of any vegetation control issues are found in this, the final history.]

Ko Kha Air Station, near Lampang, Thailand

Thirteenth Air Force, 1 July 1968 through 30 June 1969, Volume 1 (AFHRA Call Number K750.01, FY 1969 (1 Jul 68-30 Jun 69), Vol 1, IRIS Number 899069):

[NOTE: After the attack on Udorn in July 1968, efforts were made to improve base defense in Thailand. The below entry concerns Thailand as a whole as of 28 April 1969:]

Page I-244, Base Defense: Other improvements in the defense posture were authorization for 303 sentry dogs, steps toward a complete conversion of the commercial vehicle fleet to M- Series vehicles; conversion from a single-channel non-tactical network to a dual- channel system; improved weapons inventory including arming all Thai guards with M-16 rifles. Other beneficial steps were constructing physical security aids such as bunkers, gun emplacements, erecting 368,531 linear feet of fixed fortification fencing, and defoliation of perimeter areas.

Thirteenth Air Force, 1 July 1968 through 30 June 1969, Volume 4 (AFHRA Call Number K750.01, FY 1969 (1 Jul 68-30 Jun 69), Vol 4, IRIS Number 899072):

Supporting Document 184, Message, HQ 13AF to CINCPACAF/Commander, 281130Z April 1969, Subject: Base Defense/Security – Thailand:

Page 4 of 5, paragraph 6 d: Defoliation is underway and in various stages of completion.

[NOTE: As can be seen, with only one sentence out of five pages of this message, vegetation control did not merit much discussion. To clear the areas near the perimeter fences quickly to afford a defensive advantage, the foliage would have to be removed quickly. Herbicides do not do this as the debris is still required to be removed. Initial vegetation control was most likely conducted by mowing, cutting, burning, bull-dozing or use of other heavy equipment like road graders.]

635th Combat Support Group, 1 January through 31 March 1974 history (AFHRA Call Number K-GP-SUP-635-HI, Jan-Mar 1974, IRIS Number 1002093):

Appendix V, 6201st Aerospace Support Squadron history for the Jan-Mar 1974 period:

342

[NOTE: No mention of vegetation control is made in this history. A map of this small installation is in this history, however, and it is hemmed in by major roads on either side of the station, near a large town.]

635th Combat Support Group, 1 April through 30 June 1974 history (AFHRA Call Number K-GP-SUP-635-HI, Apr-Jun 1974, IRIS Number 1001040):

Appendix V, 6201st Aerospace Support Squadron history for the Apr-Jun 1974 period:

Page 3, Facilities and Construction: Problem Areas: Rain on Ko Kha Air Station, combined with heavy rains in the mountains north of the station caused severe flooding of the north end of the station on 29-30 April 1974. In-house forces constructed two box culverts to improve the flow of water from the in-field. A project to raise the perimeter road around the north end of the station was funded, awarded, and will be constructed during the first half of FY75.

[NOTE: No mention of vegetation control is made in this history.]

635th Combat Support Group, 1 July through 30 September 1974 history (AFHRA Call Number K-GP-SUP-635-HI, Jul-Sep 1974, IRIS Number 1006749):

Appendix 5, 6201st Aerospace Support Squadron Historical Report (1 July to 30 September 1974):

[NOTE: No mention of vegetation control is made in this history.]

635th Combat Support Group, 1 October through 31 December 1974 history (AFHRA Call Number K-GP-SUP-635-HI, Oct-Dec 1974, IRIS Number 1011310):

[NOTE: The 6201st Aerospace Support Squadron did not submit any historical report for this period.]

NOTE: The 635th Combat Support Group did not submit any history to the AFHRA for the January through March 1975 time period.

635th Combat Support Group, 1 April through 30 June 1975 history (AFHRA Call Number K-GP-SUP-635-HI, Apr-Jun 1975, IRIS Number 1008063):

Appendix VI, 6201st Aerospace Support Squadron Historical Report (1 April-30 June 1975):

Page 5, Civil Engineering: The Operations & Maintenance Contract with Trans Asia Engineering Associates was terminated on 30 June. Action was taken to send six TDY military to take over the supervisory positions in the shops. A Unit Detail Listing was received which allowed the Base Civil Engineering to offer letters of employment to 72

343

Trans Asia Thai employees. Everyone accepted the offer to work for the U.S. Air Force.

[NOTE: No mention of any vegetation control in this history.]

635th Combat Support Group, 1 July through 30 September 1975 history (AFHRA Call Number K-GP-SUP-635-HI, Jul-Sep 1975, IRIS Number 1010085):

Page 8, Security: At Ko Kha Air Station to individuals were assaulted and robbed while walking at night through an area between the station and the village. Action was taken to make the area more secure. Security \policemen, Thai Security Guards and other volunteers cleared away all brush from the path and rebuilt sections to make it more usable. Civil engineering personnel then installed two high intensity lights at that end of the station, which effectively illuminated the entire pathway.

[NOTE: The 6201st Aerospace Support Squadron did not submit any history for this time period.]

[NOTE: The 6201st Aerospace Support Squadron did not submit any history for the October 1975 through March 1976 time period. Ko Kha was closed on 20 March 1976.]

635th Aerospace Support Group, 1 January through 31 March 1976 history (AFHRA Call Number K-GP-SUP-635-HI, Jan-Mar 1976, IRIS Number 1011429):

Chronology: 20 March All U.S. operations except retrograde and base closure ceased at Chaing Mai, Ko Kha, and U-Tapao after negotiations failed between the U.S. and Thai governments.

344

Ko Kha Air Station, Thailand, as of 1976

345

Mukdahan Air Station

Mukdahan Air Station opened on 22 December 1965 with Detachment 6, 620th Tactical Control Squadron, a subordinate unit of the 505th Tactical Control Group, as the primary unit on the installation. They were soon joined by Detachment 9, 6th Aerial Port Squadron (a subordinate unit of the 2nd Aerial Port Group; later the 315th Air Division) who stayed there from 15 January 1966 through 1 April 1967 (as of 1 April 1967 it was known as Operating Location AC [OLAC]). In the meantime, after a reorganization, the 621st Tactical Control Squadron, Detachment 6 (another 505th Tactical Control Group subordinate unit), replaced the 620th Tactical Control Squadron, Detachment 6, at Mukdahan on 23 February 1966 and remained on the station until it was closed on 31 December 1969. In December 1968, a year before the installation’s closing, Operating Location 25 of the 1st Combat Evaluation Group, under the Combat Skyspot program, moved from Quan Tri, Vietnam to Mukdahan Air Station and became operational as of 31 December 1968.

Extract, 505th Tactical Control Group, 1 July through 31 December 1965 (AFHRA Call Number K-GP-TACT-505-HI, Jul-Dec 1965, IRIS Number 445811):

[No mention of vegetation control or herbicide use in this history.]

Extract, 6th Aerial Port Squadron, 8 August through 31 December 1965 (AFHRA Call Number K-SQ-SUP-6-HI (Port), 8 Aug-Dec 1965, IRIS Number 432372):

Page 21, Detachment 9, Mukdahan: This detachment was programmed for 15 January 1966. November 1965 Unit Manning Document called for one (1) NCO, one (1) Airman and one (1) local national.

[No mention of vegetation control or herbicide use in this history.]

Extract, 505th Tactical Control Group, 1 January through 30 June 1966 (AFHRA Call Number K-GP-TACT-505-HI, Jan-Jun 1966, IRIS Number 445812):

Page 2: In May 1966, a new radar site was activated at Mukdahan, Thailand and was designated Detachment 6, 621 TCS.

[NOTE: The site was actually Det 6 of the 620th TCS, and had been active since 22 December 1965, but the local historian missed this.]

[No mention of vegetation control or herbicide use in this history.]

Extract, 2nd Aerial Port Group, 1 January through 30 June 1966 (AFHRA Call Number K-GP-SUP-2-HI (AP), Jan-Jun 1966, IRIS Number 444072):

346

Tab C, 6th Aerial Port Squadron: Page 18, General: PACAF Special OrderG-7, dated 10 January 1966, designated and organized the following detachments at the location indicated effective 15 January 1966:

Detachment 9 – Mukdahan Detachment 10 – Phitsanulok

Page 25, Detachment 9, Mukdahan: Not manned during this period.

Extract, 6th Aerial Port Squadron, January through June 1967 (AFHRA Call Number K-SQ-SUP-6-HI (Port), Jan-Jun 1967, IRIS Number 432373):

[NOTE: No mention of Detachment 9, Mukdahan, is noted. Not even this detachment’s inactivation of 1 April 1967 is noted.]

Extract, 2nd Aerial Port Group, 1 July 1966 through 30 September 1967 (AFHRA Call Number K-GP-SUP-2-HI (AP), Jul 1966-Sep 1967, IRIS Number 444081):

Pages 1-2, Mission, Organization and Administration: In October 1966, the decision was made to relocate the 1nd Aerial Port Group Headquarters from Tachikawa Air Base, Japan, to Tan Son Nhut Air Base, Vietnam. This move was made on 8 November 1966 and at this time the group was reassigned from the 315th Air Division to the newly activated 834th Air Division. Upon relocation of the group to Tan Son Nhut, command of the 6th and 7th Aerial Port Squadrons was relinquished to the 315th Air Division.

Extract, 505th Tactical Control Group, 1 July through 30 September 1966 (AFHRA Call Number K-GP-TACT-505-HI, Jul-Sep 1966, IRIS Number 445813):

Page 3, Command and Control: As of 30 September 1966, after the reorganization, the 505th Tactical Control Group was comprised of three Tactical Control Squadrons; the 619th, 620th and 621st.

[No mention of vegetation control or herbicide use in this history.]

Extract, 621st Tactical Control Squadron, 1 July through 30 September 1966 (AFHRA Call Number K-SQ-AW-621-HI, Jul-Sep 1966, IRIS Number 413881):

Detachment 6 Unit History:

Page 2, Supply and Maintenance: As of 15 Aug 66, Nakhon Phanom assumed responsibility for all support except Civil Engineering functions. Nevertheless, there was some confusion for weeks. Power production is still questionable but some support is being obtained from Ubon. Because of supply inadequacies during this period, Det 6 was granted a Petty Cash fund to be utilized for local purchase of much needed items. This has proven to be very successful in continuing our “self-help” program in that materiel

347 can be purchased locally on an immediate basis, and in many cases at less cost than our normal source of supply.

Conclusion: The idiom “keep the man busy” has been particularly appropriate at this station. Civil Engineer support has been good in the furnishing of materiels for improving living quarters but professional teams such as “Prime Beef” and “Red Horse” were not available to start the construction. As a consequence, and with the sanction of our CE support Ubon, we have developed our own plans and now construct one “hootch” every two days. Simultaneously, an ample latrine facility is nearing completion. Projects contemplated include a new dispensary, indoor supply storage sheds, motor pool, recreation hall, and a chapel.

[NOTE: No mention of vegetation control issues or herbicide use in this history.]

Extract, 505th Tactical Control Group, October 1966 (AFHRA Call Number K- GP-TACT-505-HI, Oct 1966, IRIS Number 445814):

[NOTE: No mention of vegetation control issues or herbicide use in this history.]

Extract, 621st Tactical Control Squadron, October 1966 (AFHRA Call Number K-SQ-AW-621-HI, Oct 1966, IRIS Number 413882):

Detachment 6 Unit History:

Page 2, Supply and Maintenance: Petty cash is still being utilized at about 80% of our total allocation. Petty cash is used for building as well as for maintenance. About 90% is used for building and 10% for maintenance.

Excess supplies at this detachment have been turned in or justified. Items that are becoming excess because of building improvements, such as, tents, and tec., are being turned-in immediately. The open storage area has been inventoried and all items that have no immediate use have been turned-in as excess. The open storage area has been re-arranged and all items properly identified.

[NOTE: No mention of vegetation control issues or herbicide use in this history.]

Extract, 505th Tactical Control Group, November through December 1966 (AFHRA Call Number K-GP-TACT-505-HI, Nov-Dec 1966, IRIS Number 445815):

Det 6, 621st Tactical Control Squadron history for Nov-Dec 1966:

[NOTE: No mention of vegetation control issues or herbicide use in this history.]

Extract, 505th Tactical Control Group, January through March 1967 (AFHRA Call Number K-GP-TACT-505-HI, Jan-Mar 1967, IRIS Number 445816):

Det 6, 621st Tactical Control Squadron history for Jan-Mar 1967:

348

Page 1, Command and Control: Civil Engineering is supported by Ubon.

Page 3, Supply and Maintenance: Recently we initiated a Base beautification program, insect control and fabrication of new and lighter doors for all buildings.

[NOTE: No mention of vegetation control issues or herbicide use in this history.]

Extract, 505th Tactical Control Group, April through June 1967 (AFHRA Call Number K-GP-TACT-505-HI, Apr-Jun 1967, IRIS Number 445817):

Det 6, 621st Tactical Control Squadron Historical Data Record for Apr-Jun 1967:

[NOTE: No mention of vegetation control issues or herbicide use in this history.]

Extract, 505th Tactical Control Group, July through September 1967 (AFHRA Call Number K-GP-TACT-505-HI, Jul-Sep 1967, IRIS Number 445818):

Det 6, 621st Tactical Control Squadron Historical Data Record for Jul-Sep 1967:

Page 3, Communications Operations: Plans have been drawn up and submitted to 8th CES at Ubon for a permanent building for the Comm Center.

[NOTE: No mention of vegetation control issues or herbicide use in this history. A review of 8th Civil Engineering Squadron histories (listed in this study under Ubon RTAFB) failed to find any mention of vegetation control support for Mukdahan.]

Extract, 505th Tactical Control Group, October through December 1967 (AFHRA Call Number K-GP-TACT-505-HI, Oct-Dec 1967, IRIS Number 445819):

Det 6, 621st Tactical Control Squadron Historical Data Record for Oct-Dec 1967:

[NOTE: No mention of vegetation control issues or herbicide use in this history.]

Extract, 505th Tactical Control Group, January through March 1968 (AFHRA Call Number K-GP-TACT-505-HI, Jan-Mar 1968, IRIS Number 445820):

Det 6, 621st Tactical Control Squadron Historical Data Record for Jan-Mar 1968:

[NOTE: No mention of vegetation control issues or herbicide use in this history.]

Extract, 505th Tactical Control Group, April through June 1968 (AFHRA Call Number K-GP-TACT-505-HI, Apr-Jun 1968, IRIS Number 445821):

Det 6, 621st Tactical Control Squadron Historical Data Record for Apr-Jun 1968:

349

Page 4, Command and Organization: An emphasis has been placed on a reassessment of site security and site defense concepts. In this connection we have revamped our perimeter lighting system and are in the process of reconstructing and repositioning security guard and personnel protection bunkers.

[NOTE: No mention of vegetation control issues or herbicide use in this history.]

Extract, 505th Tactical Control Group, July through September 1968 (AFHRA Call Number K-GP-TACT-505-HI, Jul-Sep 1968, IRIS Number 445822):

Det 6, 621st Tactical Control Squadron Historical Data Record for Jul-Sep 1968:

Page 5, Command and Organization: Heavy emphasis continued throughout the quarter on site physical security improvement. Under this program new security guard bunkers and improved storage facilities for high explosives and incendiaries have been constructed. Additionally a new Central Security Control has been completed and an outer perimeter concertina wire fence has been installed around the entire site area.

[NOTE: No mention of vegetation control issues or herbicide use in this history.]

Extract, 505th Tactical Control Group, October through December 1968 (AFHRA Call Number K-GP-TACT-505-HI, Oct-Dec 1968, IRIS Number 445823):

Det 6, 621st Tactical Control Squadron Historical Data Record for Oct-Dec 1968:

[NOTE: No mention of vegetation control issues or herbicide use in this history.]

Extract, 1st Combat Evaluation Group, October through December 1968, Volume 1 (AFHRA Call Number K-GP-EVAL-1-HI, Oct-Dec 1968, V. 1, IRIS Number 441122):

Page 21, Combat Skyspot: [NOTE: Combat Skyspot was the nickname assigned 1st CEG’s ground directed bombing operations in SEA.]

Activity at the Quang Tri, Vietnam (OL-25) [operating location 25], site was primarily confined to relocating the site. Relocation was necessary due to the flooding conditions experienced last quarter as a result of two tropical storms.

Page 22: Operations at OL-25 hampered by flooding conditions last quarter, was again plagued by flooding conditions on two occasions this quarter.

On 16 October, Colonel Hutchison, Commander, 1st CEG, sent a message to SAC stating that he was deeply concerned about 1st CEG’s ability to continue operations at the present OL-25 location because of the constant flooding conditions being experienced at the site.

350

Page 23: Two days later, SAC replied that unless immediate action was taken to relocate OL-25, it appeared certain that the site would lose its operational capability and probably could not be moved until after the monsoon season.

Page 24: On 19 November, relocation of OL-25 to higher ground at Quang Tri was stopped because Seventh Air Force directed that the site be relocated to a more suitable location in Thailand. The site locations under consideration were Mukdahan, Nakhon Phanom, and Ubon. Finally, on 26 November, Seventh Air Force announced that OL-25 was being moved to Mukdahan, Thailand, with an estimated operational date in Thailand of 31 December. Seventh Air Force added that the Ol-25 site at Quang Tri would go off the air at 2400 hours Zulu, 27 November.

Page 26: On 3 December, Seventh Air Force announced that for all personnel and equipment to be in place at Mukdahan by 17 December, communications circuits operational by 25 December, and OL-25 operational by 31 December.

Page 28: Finally, on 31 December, OL-25 became operational at 2400 hours Zulu at Mukdahan, Thailand.

[NOTE: No mention of vegetation control issues or herbicide use in this history.]

Extract, 505th Tactical Control Group, January through March 1969 (AFHRA Call Number K-GP-TACT-505-HI, Jan-Mar 1969, IRIS Number 445824):

Det 6, 621st Tactical Control Squadron Historical Data Record for Jan-Mar 1969:

Page 2, Command and Control: During the quarter, all construction required to accommodate OL-25 Combat Skyspot was completed with only minor facility improvement projects remaining to be completed. A general site improvement program has been in effect throughout the quarter. Under this program all site buildings have been repainted, new fencing and gates installed around the operations area and additional concrete walkways installed around prime facilities.

[NOTE: No mention of vegetation control issues or herbicide use in this history.]

Extract, 1st Combat Evaluation Group, January through March 1969, Volume 1 (AFHRA Call Number K-GP-EVAL-1-HI, Jan-Mar 1969, V. 1, IRIS Number 441124):

Page 24, OL-25: Plans are being formulated to move the site to the top of a mountain. PACAF informed Colonel Hutchison that approval had been granted for this move. This will increase the radar range by decreasing radar masking. Personnel will continue to live at the base in Mukdahan, about 4 to 5 miles from the quarters

351 and approximately 10 minutes form their work. The natives are friendly in this area.

[NOTE: No mention of vegetation control issues or herbicide use in this history.]

Extract, 505th Tactical Control Group, April through June 1969 (AFHRA Call Number K-GP-TACT-505-HI, Apr-Jun 1969, IRIS Number 445825):

Det 6, 621st Tactical Control Squadron Historical Data Record for Apr-Jun 1969:

Page 4, Civil Engineers: Activities of CE have included: Air conditioning of the NCO Club; painting of hootches; laying new perimeter barbwire; screening the Dining Hall; remodeling the billeting VIP room; laying new sidewalks; installing fencing along the main road; rewiring perimeter lights.

Page 5, Security Police: TSgt Thomas E. Doyle arrived at Mukdahan AFS on 12 May 69 and assumed duties as NCOIC of Security Police. Since his arrival at Mukdahan, he as re- accomplished the Site Pass System and incorporated a Security Clearance System for all Thai Nationals working on the site, removed all bicycles and samlows away from the Main Gate, requested restricted area signs be placed around the perimeter of site and at the Main Gate, initiated direct communication from CSC to Site Commander, check reaction of the Security Force during a Red Option I alert, established an excellent training program for Security Police, Thai Guards and augmentee personnel, completed new site map to include OL-25, re- worked the old fencing by the Main Gate, initiated changes into the OPLAN 207- 69, set up the control of an anti-pilferage procedure, brought the Security Police OJT records up to date, brought Thai Guards records up to date, submitted work orders for Guard Towers, and set up procedures to control personnel and vehicles entering and leaving the site and is presently writing DOI’s and SSI’s for the Security Police Section.

[NOTE: No mention of vegetation control issues or herbicide use in this history.]

Extract, 1st Combat Evaluation Group, April through June 1969, Volume 1 (AFHRA Call Number K-GP-EVAL-1-HI, Apr-Jun 1969, V. 1, IRIS Number 441127):

Page 24-25, OL-25: The site is located on an Air Force station that includes Detachment 6 of the 621 Tactical Control Squadron. The approximate population of the base is 175 Air Force personnel.

The base recreational facilities consist of a softball field, basketball court, volleyball court, tape center, photo hobby shop, NCO club and an officers lounge. A theatre offers a program each night. There are no off-site recreational facilities.

The living area and conditions are believed to be well above average for SEA. Seven wooden frame “hootches” (16 feet by 32 feet) are used by 1st CEG

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personnel. The Commander, Operations Officer and Technical Representative share one hootch while the three Controllers share another. The remaining five hootches have six enlisted personnel each.

The spacious Operations Building contains a working area approximately 1,800 square feet, exclusive of the three vans.

Mukdahan Air Station living quarters, July 1969. Note the lack of a formidable perimeter fence in the background.

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NCO Club at Mukdahan Air Station, July 1969.

Operating Location 25, 1st Combat Evaluation Group, Combat Sky Spot installation at Mukdahan Air Station, Thailand, July 1969.

[NOTE: No mention of vegetation control issues or herbicide use in this history.]

Extract, 505th Tactical Control Group, July through September 1969 (AFHRA Call Number K-GP-TACT-505-HI, Jul-Sep 1969, IRIS Number 445826):

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Det 6, 621st Tactical Control Squadron Historical Data Record for Jul-Sep 1969:

[NOTE: No mention of vegetation control issues or herbicide use in this history.]

Extract, 1st Combat Evaluation Group, July through September 1969, Volume 1 (AFHRA Call Number K-GP-EVAL-1-HI, Jul-Sep 1969, V. 1, IRIS Number 441129):

[NOTE: No mention of the activities at OL-25 except the statistics of coordinating aircraft in the Sky Spot mission. No mention of vegetation control issues or herbicide use in this history.]

Extract, 505th Tactical Control Group, October through December 1969 (AFHRA Call Number K-GP-TACT-505-HI, Oct-Dec 1969, IRIS Number 445827):

Det 6, 621st Tactical Control Squadron Historical Data Record for Oct-Dec 1969:

Page 1, Personnel: On 19 November, Det 6, 621TCS was relieved of its operational commitment. This was due to the scheduled site closure date of 31 December.

Page 2, Commander’s Comments: On 19 November, HQ PACAF directed that the unit be inactivated, with a final closure date of 31 December 19069. To meet this closure date, assistance was received from the 56 CSG, 505 TCG, 5th TCG, PAC GEEIA, 1947 Com Gp, 1987 Com Gp, 1 Mob Com Gp, and the 621 TCS.

Page 4, Civil Engineering: During the period only minor maintenance was performed with consisted of replacing numerous door closers, ceiling fans, and repainting the interior of the dispensary.

Late November and all of December were devoted to the site closure project. As site buildings were vacated, they were cleaned and boarded up. Minor repairs were made to several buildings that were damaged during equipment removal. On 30 December, all real property became part of 56 CSG, pending final disposition from MACTAHI. All equipment and supplies were transferred to Civil Engineering at the host base, NKP.

The site was officially closed on 30 December.

Page 5, Security Police: All of December was devoted to maintenance and increased security watch to hold pilferage to a minimum. As the site closure plan progressed personnel were to work 12 hours on, 12 hours off schedule.

On 30 December, all weapons and ammunition, supplies, and equipment were transferred to NKP. Remaining personnel also departed that date. All Thai Guards departed two days prior.

355

[NOTE: No mention of vegetation control issues or herbicide use in this history.]

Extract, 621st Tactical Control Squadron, October through December 1969 Monthly Activity Reports (AFHRA Call Number K-SQ-AW-621-SU-RE-M, Oct-Dec 1969, IRIS Number 413884):

October 1969, 621st Tactical Control Squadron, Part I, Commander’s Comments: Paragraph 20: Inactivation of Detachment 6 has been proposed under Project 703. Pending final decision of this matter, all scheme action at Mukdahan site has been placed in a hold in abeyance status.

October 1969, Det 6, 621 TCS:

Part I, Paragraph 4, Civil Engineering: During the past month the CE section performed a complete facility inspection and completed all work found in addition to going through an IG inspection. Other maintenance was performed as required to keep the base in shape.

Part IV, Operations Activity Report: On 18 Oct 69 Atlanta 14 contacted the site on guard declaring an emergency for no Navaids. He was given pidgeons and vectors to base. The emergency was controlled by Capt Phillips and Sgt Ulmen.

[NOTE: No mention of vegetation control issues or herbicide use in this history.]

November 1969, 621st Tactical Control Squadron, Part I, Commander’s Comments: Paragraph 12: Reference paragraphs in October 1969 report all of which concern Det 6. These ar4e no longer valid interest items because of the inactivation of Detachment 6, 621 Tac Con Squadron.

Paragraph 18: The inactivation of Det 6, 621 TCS on 20 November 1969 was effected very smoothly with little degradation to the system. The mission assigned Det 6 was realigned.

Part II, Paragraph 3s (3): All scheme action at Det 6 is HIA [held in abeyance] pending cancellation.

November 1969, Det 6, 621 TCS: Part I, Mission Capability: Successful mission accomplishment continued until 2300Z 19 Nov 69 at which time we were relieved to begin closure actions.

Part II, Paragraph 4, Civil Engineers: During the month of November the Civil Engineering section was concerned wholly with packing and crating equipment to be shipped.

Part IV, Operations Activity Report:

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1 Nov at 1107Z Blind Bat 03 declared an emergency, lost #3 engine. Handed off to Ubon OCA at 115. Landed at Ubon at 1140. Capt Traub and Sgt Ulmen controlled this emergency.

[NOTE: No mention of vegetation control issues or herbicide use in this history.]

December 1969, 621st Tactical Control Squadron, Part I, Commander’s Comments:

Paragraph 2 b: Inactivation of Detachment 6, 621st Tactical Control Squadron. Detachment 6 completed its inactivation on 30 December 1969.

Paragraph 9: On 29-30 Dec 1969 I visited Det 5 at NKP and continued on to Det 6 at Mukdahan. I spent the last night with personnel at Mukdahan prior to its inactivation on the 30th. Spirits were good and each person displayed an attitude of a job well done. I couldn’t help but agree that the men at Det 6 had one a commendable job in closing out the site.

Part II, Materiel: Paragraph 3k (1): All schemes at Mukdahan have been cancelled.

December 1969, Det 6, 621 TCS:

Paragraph 6d: On 30 December 1969 all remaining personnel and equipment departed Mukdahan for the last time and the base was closed. This was one day ahead of our programmed date. It was only through the hard work and dedication of all personnel assigned that this task was accomplished in the time frame allotted. Their determination and will to accomplish a given mission, regardless of difficulty, make them a group second to none. I am extremely proud of these men and grateful that I was given the opportunity t to serve with them.

Signed Ralph E. Wigal, Major, USAF Commander

Part III, Administration, Personnel and Security:

Paragraph 2, Security: Security of the entire area was increased during the period to minimize pilferage. Only minor losses were incurred. All Security Police were transferred to 56CSG on 30 December 1969. After departure of all Det 6 personnel seven Security Policemen and 14 Thai Guards were left on duty by 56CSG to maintain the security until final disposition of real estate is made.

[NOTE: No mention of vegetation control issues or herbicide use in this history.]

Extract, 1st Combat Evaluation Group, October through December 1969, Volume 1 (AFHRA Call Number K-GP-EVAL-1-HI, Oct-Dec 1969, V. 1, IRIS Number 441132):

Chronology:

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December 2 OL-25 became totally inactive

Page 17, Combat Skyspot, Mukdahan, Thailand (OL-25): During the quarter, OL-25 was closed down completely. The unit began its inactivation on 22 November 9169 and became totally inactive on 2 December 1969.

[NOTE: No mention of vegetation control issues or herbicide use in this history.]

Chiang Mai Air Station

Home of the 1997th Communications Squadron in 1966, the 1974th Communications Group historian noted:

Extract, 1974th Communications Group 1 January through 30 June 1966 (AFHRA Call Number K382.1974, Jan-Jun 1966, IRIS Number 499582):

Page vi, Foreword: Also vaguely covered was our activity in Chiang Mai, located in the north region of Thailand, of mountainous terrain, about 300 nautical miles north by northwest of Korat. However, I was assured that the mission, the activity and the size of the unit remained constant for the past two years. Also that since the mission at Chiang Mai is in support of a Chief of Staff, U.S. Air Force function, AFCS personnel assigned there were briefed that no information could be furnished concerning any activity. In a classified communique from Ambassador Martin in reply to a message by Defense Secretary McNamara, stated that because of the Thai Prime Minister’s stand on the U.S. Military presence in Thailand, (to sum it up concisely) the less said the better, for now. This policy is strictly adhered to throughout Thailand by all U.S. military units.

[NOTE: Although there is no mention of vegetation control, this is included to show that USAF communications personnel were located in remote sites in Thailand, and documentation for these sites is limited due to the conditions noted above. According to the 1974th Communications Group 1 January through 30 June 1967 (AFHRA Call Number K382.1974, Jan-Jun 1967, IRIS Number 499584) history on Page 2, Mission and Organization: As of 30 June 1967 the decision had been made and approved to phase out the 1997th Communications Squadron at Chieng Mai RTAFB and transfer the numerical designator to the group’s operating location at Korat RTAFB. The personnel at Chieng Mai would become a detachment of the 1980th Communications Squadron at Takhli.]

Warin and Roi-Et

[NOTE: In Thailand the 1974th Communications Group had USAF communications personnel present, and foliage control was an issue to them as well.]

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Thirteenth Air Force, 1 July 1968 through 30 June 1969, Volume 1 (AFHRA Call Number K750.01, FY 1969 (1 Jul 68-30 Jun 69), Vol 1, IRIS Number 899069):

[NOTE: After the attack on Udorn in July 1968, efforts were made to improve base defense in Thailand. The below entry concerns Thailand as a whole as of 28 April 1969:]

Page I-244, Base Defense: Other improvements in the defense posture were authorization for 303 sentry dogs, steps toward a complete conversion of the commercial vehicle fleet to M- Series vehicles; conversion from a single-channel non-tactical network to a dual- channel system; improved weapons inventory including arming all Thai guards with M-16 rifles. Other beneficial steps were constructing physical security aids such as bunkers, gun emplacements, erecting 368,531 linear feet of fixed fortification fencing, and defoliation of perimeter areas.

Thirteenth Air Force, 1 July 1968 through 30 June 1969, Volume 4 (AFHRA Call Number K750.01, FY 1969 (1 Jul 68-30 Jun 69), Vol 4, IRIS Number 899072):

Supporting Document 184, Message, HQ 13AF to CINCPACAF/Commander, 281130Z April 1969, Subject: Base Defense/Security – Thailand:

Page 4 of 5, paragraph 6 d: Defoliation is underway and in various stages of completion.

[NOTE: As can be seen, with only one sentence out of five pages of this message, vegetation control did not merit much discussion. To clear the areas near the perimeter fences quickly to afford a defensive advantage, the foliage would have to be removed quickly. Herbicides do not do this as the debris is still required to be removed. Initial vegetation control was most likely conducted by mowing, cutting, burning, bull-dozing or use of other heavy equipment like road graders.]

1974th Communications Group 1 July through 30 September 1969 (AFHRA Call Number K382.1974, Jul-Sep 1969, IRIS Number 499589):

Pages 25-27, Materiel: The AN/TRC-103 is a tactical Tropospheric scatter radio communications set. The TRC-103 system was conceived to provide additional long-haul communications for Thailand. It consists of Tropospheric scatter terminals at Udorn and Warin, with a back to back relay at Roi-Et [all in Thailand]. The Udorn terminal is operated by the 1973rd Comm Sq, while the Warin and Roi-Et sites are operated by the 1982nd Comm Sq [OL-B at Warin, OL-A at Roi-Et]. Contractor installed in 1968, it has yet to become fully operational and has not met DCA [Defense Communications Agency] specifications.

Two separate technical evaluations of the TRC-103 system have been completed. The first was conducted by a Pac Comm Area team augmented by SE Asia Comm Rgn personnel. The findings of this evaluation was that the

359 equipment was functioning at or above design specifications; however, because of the path the system in its current configuration will not meet DCA specifications. In analyzing the path profile, the team also engineered the antenna clear zone requirements and recommended tree and brush removal. This action will improve operating characteristics, but not to the extent that DCA specifications will be met.

In order to improve the path profile, foliage clearance was required at all three locations. A significant portion of the foliage was removed at Warin by self-help efforts. Also through the efforts of the 1982 Comm Sq Commander, preliminary arrangements have been made for clearance at Roi-Et. Funds have been requested from Thirteenth Air Force for this project. MACTHAI assistance has been requested for gaining approval to clear the zone at Udorn.

1974th Communications Group 1 October through 31 December 1969 (AFHRA Call Number K382.1974, Oct-Dec 1969, IRIS Number 499590):

Page 28 AN/TRC-103 Troposcatter Radio System: Removal of interfering foliage at Roi-Et and Udorn has not been completed yet. Preliminary arrangements have been made for clearance at Roi-Et and funds have been requested from Thirteenth Air Force for this project. MACTHAI assistance was requested for gaining approval to clear the zone at Udorn and the 432nd Combat Support Group Base Civil Engineer at Udorn has completed all agreements for removal of foliage at the Udorn TRC-103 site. The target date for completion is 15 Feb 70.

[NOTE: Roi-Et was approximately 70 miles northeast of Bangkok.]

360