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The original documents are located in Box 28, folder “Department of Defense - Joint Chiefs of Staff - Cables (2)” of the National Security Adviser. NSC East Asian and Pacific Affairs Staff: Files at the Gerald R. Ford Presidential Library.

Copyright Notice The copyright law of the United States (Title 17, United States Code) governs the making of photocopies or other reproductions of copyrighted material. Gerald R. Ford donated to the United States of America his copyrights in all of his unpublished writings in National Archives collections. Works prepared by U.S. Government employees as part of their official duties are in the public domain. The copyrights to materials written by other individuals or organizations are presumed to remain with them. If you think any of the information displayed in the PDF is subject to a valid copyright claim, please contact the Gerald R. Ford Presidential Library. Digitized from Box 28 of the National Security Adviser. NSC East Asian and Pacific Affairs Staff: Files at the Gerald R. Ford Presidential Library • '(

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~ l'O L.~MD1S/DJ51!100/SITREP/AS Of' ' 1~0'500? MAY 7S. M"Y U Z SlTREP A. JC 14 6•~! 75 • JC 142142% 7~ c. JC 1422 3Z 7~ 1. EF CA) Dl ECT!O PREPARAT?ONS BE MAD FDR, Cl) SEIZING TH! MAYA • · QUEZ, t2) CCUPV? G KOH TA~G ISLAND, (3) CONDUCTING 852 STRl~E8 ON KO PD SO A f A D, C4) SINKING A~~ C•MBODIAN SMA~~ CR~,, IN . TA~G T A £AS. OPE ATIONS TO B~G!N SUNRISE iS ~AV . REF te' AUTMc•~ IZED EMECUTI Of' OPERATIONS (1), (2,, AND (4) ON~~ AND REQUESTED SIT P E ! Y SIX H URS COMMENCING FIRST STRIKE . REF (C) AUT~ORl!ED EX!CUT10 CVCLlC A!R SfR!KE OP!R~TtONS FROM CORAL• SE• vs TARGfrs IN KO P G 80 CO PLE~.

2, POSS SSIO 0' THE A~AQUEZ~ MARINE GSF, ENGtNEERlNG AND SC PERS EL E T~A SPOR,EO 8¥ HELICOPTER FRO UTA,AO TO THf uas HO~,, T V?A T~E OLr TD THE MAYAQUEZ . RIOT CONTROL AGENTS ~ERE USED I A TlCIPATI OF MEET!NG HDSTt'-F. RE~IST~NCE 11 BUT NON!t WAI 1 COU TE E • TH! JP HAD BEEN DESERTED IN OPER TING CONO!TtCN 1 AWD AS I ! IATfLV ECURE •

O~ TH AVAQU!Z CREW , AT APPROXtMATELV 12•BZ A S~AL~l ORT!O APPROACHING KOH TANG tSl~NO FRO~ ~AM,ONG SOM, l T!RC!PTED B~ THE USS WIL60 AND ON CLOSUR! IT WAS E DISPLAYING NU ERDUS WHITE FL~GS~ ABOARD ~ERE ALLI T~! AYAQ Z PLUS FIVE THAI r1sMERMEN ~HO HAD BEEN HfLD CAP • · C BODIANS S!NCE 5 MARCH , T~E 1 SMALL! BOAT BfLONGfO Tp , TM! l !R! IYEN FOOD, WATER AND FUEL TO RETURN TO THAIL~~D , 1 E E S .ERF. ?N E~CELLENT CONOIT?ON AND ARE NOW 8ACK I ON IP,

4, AIR ,T IK S VS KA PONG SOM COMPLEX , 'tNlL REPORTS NOT Y£~ · RECEIVED, PR!Ll I ARY R P R~S , HOWE~ER INDlC~TE 11 (ONE SEVEN) Al~ · · CR•,~ , v• tOU8 TYPES OESrRDYEO, A HAN,AR DAMAGED AND CRATERS XN TM! RUN AY AT E• AIR ASE. W•R!HOUSES WERE STRUCK !N TME POR' A~!~ A~O

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MA H~L~ G YARD. ARRACKS AREAS WERE DESTROYED AT THE REAM NAVA~ I ASE. TH! POL STD A·E ARE ~MILES NORTM OF TME POR' WAS ·~sc ST~ue~ UT 0 EC NDARY ~ ES OR EXPLOSIONS . WERE OBSERVED. JCS '51A5SZ DI ECT~D I M~OIATE CESSATION OF A~L ' DFFE~SJV! OPERATIONS, ACCO~OINGL~ FU.T ER ST IK S ERE DtV!RTED TO SU,PORT THE E~T~ACTlON OF THE GS,1 F 0 K H TANG ISLA 0 1

D, ~A DlNGS ON THE tSLANO WF-RE ~ADE UNO!R HOSTIL! ~IRE . o~ T~E FIVE HE~!COP~ERS THAT WENT x~ ON ST WAVE, TH - f WERE ~OST. ONE MAOE A ~DRCED LANDING ON THfl I L • , JUST wEpT OF THE CA~BODlA~ eoRO!R, ONE RETUftNED TO ITH CASU L~IES. D TME SECO D WAV! 1 TWO ERE DAMAGED, Ek•t~ · Of' c•su AL. Tl ES ARE UNl

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FLASH OE RUEKJCS •9318 1351249 Z 151249Z MAY 75 FM JCS INFO STATE OPCEN WASH DC CIA WHITE HOUSE WASH DC AOC CARLISLE BKS PA CNO WASH DC CSA WASH DC ANMCC FORT RITCHIE MO Z 0 151235Z MAY 75 FM UTAPAO COMO POST UTAPAO AFLO TH/JJ TO NMCC WASHINGTON DC CSAF WASHINGTON DC CINCPAC HONONLULU HI CINCPACAF HICKAM AFB HI CINCPACREP SUBIC BAY PI 13AF CLARK AB PI/DOC 7AF NAKHON PHAN M APRT TH/DOC COMUSMACTHAI TH INFO USAF FORWARD OPS DIV FT RICHIE MD 13AF ADVON UDORN AFLD TH/DOC /JOPREP JIFFY 0562/FFM5GO/IN/OPREP-3 PINNACLE/75-130-01 FINAL AT 151200Z UTAPAO COMMAND POST WAS NOTIFIED BY 635TH CC, UTAPAO THAT AT 15/1000 A ~EPORT WAS RECEIVED FROM SATTIHJP, THAILAND THAT A VESSEL FLYING A CAMBODIAN FLAG HAO ANCHORED IN THE DEEP WATER PORT AT SATTIHIP . THE VESSEL IS APPROX 170 FEET LONG WITH A THREE INCH GUN ON THE BOW. THE NUMBER ON THE SIDE OF THE SHIP IS "E311" ANO IS BELIEVED TO BE THE VESSEL THAT CAPTURED THE MAYAGUEZ. AT THIS TIME THEY ARE FLYING SIGNAL FLAGS STATING "I AM A CAMBODIAN VESSEL. I REQUIRE A PILOT." THE THAI NAVY HAS BOARDED THE SHIP. FURTHER REPORTING WILL FOLLOW THROUGH OTHER APPROPRIATE CHANNELS. BT

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lN C YERVHOP E A!N~O o~ ~se 538/4 FOR RE'U~N THAl~ANO, MSC 151.2 RE RTS UPON COMPLEfI~N O~ PERSONNEL! TRANSFER, MAYG!Z ALT! OLCXE 'OR S GAPORE AT 1512002 MAY, POS!T 0' MA¥AGUEZ WAU 10"~ l02•48 5. Z1, A OP !P 3 ,RO T SUR ! fllf5 Z3~ T S L ST EPORT~ &S•8 BT

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OP IMMED OE RUEKJCS #8004 1360040 0 l60040Z MAY 75 FM JCS c\~ INFO STATE OPCEN WASH DC CIA WHITE HOUSE WASH DC AOC CARLISLE BKS PA CSAF WASH DC CSA WASH DC ANMCC FORT RITCHIE MO 0 151803Z MAY 75 FM USS HENRY B WILS N TO AIG SEVEN ZERO FIVE ZERO INFO CNO WASHINGTON DC COMNAVSURFPAC SAN DIEGO CA COMCRUOESGRU THREE COMOESRON SEVENTEEN CTG SEVEN FIVE PT ONE JCS WASHINGTON DC COMMUSSAG/7AF NAKHON PHANOM TH CTF SEVEN TWO CTF SEVEN FIVE CTF SEVEN SEVEN CTF SEVEN SIX CTG SEVEN SEVEN PT FIVE TG SEVEN FIVE PT ONE CINCPACFLTREPTHAI BANGKOK TH CINCPACREP PHILIPPINES SUBIC BAY RP

~/N04673/USS HENRY 8 WILSON DOG7/IN/OPREP 3 PINNACLE/FRONT BURNER/SERIAL 005 A. COMMANDER•S ESTIMATE Al. COMPLETED NGFS H. I tCIOENT Hl. NGFS FOR MAYAQUFZ RECOVERY H2. AMPLIFYING OPREP 3/PINNACLE/FRONT BURNER/SERIAL 003 H3. 151315Z MAY 75 H5. FOL IS RECAP OF All GFS RELATED ACTIVITIES: RECEIVED HOSTILE (AUTOMATIC WEAPONS> FIRE FROM 10-19.3N4 103-08.4E6. RETURNED FIRE WITH 30 ROUNDS FROM FIVE INCH GUNS .

PS 42136 PAGE 01 TOR:136/00:41Z DTG:151803Z MAY 75

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ESTIMATE FIRE EFFECTIVE AS NO FUTHER HOST IL E FIRE NOTED. EXPENDED 28 ROUNDS OF FIVE INCH AMMO ON MACHINE GUN EMPLACEMENT AT 10-19.0 1, l03-08.4E6 AND CO FIRMED DESTROYED . EXPENDED 22 ROUNDS OF FIVE INC A MO ON HOSTILE PCF FIRING AT USAF HELO. PCT CONFIRMED DESTROYED AND SUNK. EXPENDED 77 ROUNDS FIVE INCH AMMO ON VARIOUS POINT ANO AREA TARGETS AROUND NORTHERN ENO KOH TANG ISLAND AT DIRECTIONS OF ABCCC FOR HOSTILE FIRE SUPP­ RES ION. AT 1756G PERS BOAT WAS PLACE IN THE ~ATER TO ASSIST USAF HELOS IN RECOVERY OF GSF PERS FROM NE BEACH . PERS BOAT PROCEEDED TO WITHIN FIRING RANGE OF MACHINE GUN EMPLACEMENT LOCATED AT NORTHERN END OF ISLAND. PERS BOAT RETURNED FIRE WITH FOUR M60 MACHINE GUNS . BOAT PROCEEDED TO WITHIN 300 VOS OF BEACH AT 10-19.0Nl, 103- 08 .3E5 UNDER COVER PROVIDED av GUNSHIP. ON ARRIVAL USAF HELO LANDED TO LOAD GSF ANO BOAT PROVIDED SUPPRESSION FIRE. UPON WITHDRAWAL OF HELO, BOAT RETREATED UNDER HEAVY HOSTILE MACHINE GUN FIRE ANO RETURNED FIRE UNTIL OUT OF RANGE . PERS BOAT REMAINED 0' STATION TO PROVIDE FURTHER SUPPORT IF NECESSARY . BOAT WAS THEN SENT TO WESTERN BEACH TO ASSIST IN RECOV­ ERY OF GSF . DURING GSF EXTRACTION APPROX FIVE MACHINE GUN LOCATIONS AROUND 10-lQNl, 103-08E2 WERE NOTED FIRING ON HELOS. PERS 80AT BEGAN SUPPRESSIJN FI~E. FIRE CONSIDERED EFFECT IV E AS NO MORE ROUNDS WERE RECEIVED . Bl AT CREW RETURNED TO OR IG BEACH UNDER DARKNESS TO SEARCH FOR PERS BELIEVED STILL ON BEACH. BOAT CREW BEGAN TRANSIT BUT WAS CALLEO OFF WHEN MISSING PERS WERE FOUND. BOAT RETUR ED TO WILSON AT 2025. WILSON HAS BEEN RELEASED TO REFUEL. GIG GUNNERS EXPENDED TOTAL OF 1400 ROUNDS OF MACHINE GUN AMMO DURING ABOVE EVENTS . NO PERSONAL CASUALTIES, MINOR HOSTILE FIRE DAMAGE TO GIG . z. REMARKS - LAST OPREP 3 REPORT THIS INCIDENT ADS 30 JUN 75 BT

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OP XM D OE RUEKJCS #80 4 l~e 4 0 18 -40% AV 1?5 I' JCS INFO ST TE OPC!N ASH DC CIA WHIT MOU E WASH DC AOC C . R~ SLE 8K P• C8AI' A H OC CSA A H oe ANMCC FORT !TCH?E 0 0 1~18 3Z MAY 115 F USS HEN V J~ ON TO AIG S!VE Z! f'XVE ZERO X PO C 0 SHI TO DC CO AYSURFPAC SA 1 DIEGO CA CO CRUD!SGRU TH EE CO D!S 0 S!VE T!E CT S VE PlYE P~ 0 E JCS A HINGTO DC C US~AG/1A, AKHO PHANOM TH CTll' SEW! T 0 CTf' SEV! "?YE CTI" S!~E 8EWE CTF SEY! SIX CTG S!VE S!YE PT F!YE 1 TG S!VE l"!V! PT ONE CI CP CFLTREPTH I ANGKOK TH C?NCPA R P PHtLiPPl ES SUBIC BAY RP ~I 0487~/USS HENRY 8 W?~SON DOG7IIN/DPREP 3

I Pi ACL!~FRONT U ERISERIA~ 005 A, C ANDfRtS !ST? ATE Al~ CO PLE~!D Gf' H. , l cio NT H1, NGFS F R MAYAQU!2 RECOVERY H2• A PL FVING OPR 3/PfNNAC~EIFRONT BURNER/SERIAL 013 H3, 15~~15Z MAY 15 . H5. 1'01.t IS RECAP 01' AL.L ' NGPS REl.ATEO ACTIYITl!SI RECEIY'-D OSTl~! (AUTOMATIC WE~PONS) ~IRE FROM l .,g~3N4 l 3· 8.4 e~ RE,UR D ~IR WITH ~ft ROUNDS FROM FXVE INCH GUNS~

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ES'I T F! £ ,, CT!VE AS NO FUTHER HOSTlLE F~RE NO,ED, EXPE D D 28 ROU OS INCH AMMO ON MACHINE GUN EMP~~CEHfNT AT 1 •t9,0N1, 1 3• D CO FIRMED OESTRD¥ED• EXPENDED 22 ~OUNOS OF FtVE t C AM E PCF (SWIFT BOAT) ,IRING AT USAF HELO. ~CT CO Fl ~E ~ESTROYED AND SUNK~ EXPENDED 77 ROUNDS FlVE I NCH M 0 0 V A~lOUS POINT AND AREA TARGE'S AROUND NORT~E~N E KO~ T lS~ AT DIRECTIONS 0' ABCCC 'DR HOSrt~E FJRE SUPP• RE XO • AT 11~5 p s &OAT WAS PLACE IN TM! WATER ' TO ASStsr USAFj H ~O COY V F GSF P RS FROM NE BEACH , PERS BOAT PROCEEOED TO lTMl ~I l G A GE OF MACHINE GUN EMP~~CEH!NT LOC~TEO AT NO T D OF I LANO . PERS BOAT RE~URN!D FIR! WITH FOUR M61 ACHI GUN • OAT ROCEEOED TO WITHIN 3 ~ VOS OF BE~CH AT 10• t , 1, 183~0 , 3 ~ U DER COWER PROVID!O 8~ GUNSHIP. ON ARRXVALI U AF H LO L~ D 0 TO LOAD GS' ANO BOAT PRDVtOfD SUPPRESSION flREe UP TMORA AL F !LO• BOAT RETREATED UNOER H!AYV HOS1?~£ MAC lN GU PIR AND RETURNED 'lRE UNTtL OUT OF RANGE . P!RS BOAT Al E N STATION TO PROYIDE FURTH!R SUPPORT I' NECESS ¥, OAT A THE SE T TO W!STERN BE CH TO ASSIST IN ~£COY~· ERV F GS, , URX ; ~SF EXTRACTION APPROX 'fY! MACHt~f GUN LOCATIONS AROU te~1g 11 1 3• 8!2 WERE NOTED FlRI~G ON MELDS . PERS BOAT !GA UPP SSIO~ FIRE. FIRE CONSIDERED !FFEC~tYE AS · NO MORE ROUN ~R RECE Y D. BOAT C~E~ RE'U~NEO TD ORIG BEACH UNDER DAR s T SEA c FOR PEAS BEL!EVEO STIL~ o~ eE~cH . BOAT CRE~ BEG~ T NSIT U S CALLED OFF 'HEN MtSStNG ~ERS WERE FOUND . BOAT !TU NE TO ILSON AT 2925 . Wt~SON HAS BEEN RELEASED TO REFUEL~ GXG GU S XPE 0 D TOTA~ OF 1400 ROUNDS 0, MACHINE GUN AMMO DU I A OYE EV T • NO PERSONAL CASUALTIES, KINOR HOSTILE FIRE DA AGE TO GIG . Z, RE A KS ~ ~AST OPREP 3 REPORT THIS INCIDENT ADS 3 JU 7!5 T

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OP IMMEO DE RUEKJCS #8902 1391045 O 191045Z MAY 75 FM JCS INFO STATE OPCEN WASH DC CIA WHITE HOUSE WASH DC AOC CARLISLE BKS PA CNO WASH DC CSA WASH DC ANMCC FORT RITCHIE MO O l91020Z MAY 75 FM UTAPAO COMO POST UTAPAO AFLD TH/JJ TO NMCC WASHINGTON DC CSAF WASHINGTON DC CINCPAC HONOLULU HI CINCPACAF HICKAM AFB HI CINCPACREP SUBIC BAY PI l3AF CLARK AB PI/DOC 7AF NAKHON PHANOM APRT TH/DOC COMUSMACTHAI BANGKOK TH AFMPC RANDOLPH AFB TX/OPMR INFO 13AF AOVON UOORN AFLO TH/DOC USAF FORWARD OPS DIV FT RITCHIE MO

UNCLAS/JOPREP JIFFY 0697/FFM5GO/IN/OPREP~3 PINNACLE/75•130-03. REFERENCE OPREP 3 l51235Z INFORMATION RECEIVED TODAY SUBSTANTIATES POSSIBILITY THAT THE CAMBODIAN GUNBOAT E~3111 THAT ENTERED SATTAHIP PORT, IS IN FACT THE SHIP THAT CAPTURED THE MAYAGUEZ. THE CREW HAS CONFESSED TO THAI OFFICIALS. THE CREW HAS AlSO REQUESTED TO BE TREATED AS REFUGEES, THEIR REFUGEE STATUS HAS BEEN REFERRED TO U.S. EMBASSY OFFICIALS ON THE S'ENE. RATIONAL FDR THE CAPTURE OF THE MAYAGUEZ WAS THAT THE CREW WAS AT SEA WHEN FELL1 AND THEY DECIDED TO IMPRESS THE NEW GOVERNMENT WITH THEIR LOYALTY. THIS BACKFIRED WHEN THE NEW GOVERNMENT WAS TOLD OF THEIR AC!, AT THAT TIME THE CREW DECIDED NOT TO RETURN TO CAMBPDIA FOR FEAR OF THEIR LIVES, ANO SAILED FOR THAILAND. THE CAMBODIAN CRSW PLUS A NUMBER OF VIETNAMESE ON THE SHIP ARE STILL UNDER THAI CONTROL. BT

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FLASH DE RUEKJCS #8819 1410811 Z 2108llZ MAY 75 FM JCS INFO STATE OPCEN WASH DC Cl A WHITE HOUSE WASH OC AOC CARLISLE BKS PA c\r!/\ CNO WASH DC CSA WASH DC ANMCC FORT RITCHIE MO Z 0 210800Z MAY 75 FM 56SOW NAKHON PHANOM APRT THAI TO CJCS WASH DC/NMCC CINCPAC HONOLULU HI/CC CSAF WASH DC/XOOC CINCPACAF HICKAM AFB HI/XOOC 13AF CLARK AB Pl/OC INFO AFEOC FT RICHIE MD/OPS DIV l3AF AOVON UOORN AFLO THAI/DC USSAG 7AF NAKHON PHANOM APRT THAI/DOC COMUSMACTHAI BANGKOK THAI/J33 v ClNCPACAF HONOLULU HI/JRCC ARRS SCOTT AFB IL/DOC MAC SCOTT AFB IL/OOC

UNCLAS E F T 0 FOUO/JOPREP JIFFY/PINNACLE/FFPPX0/56SOW/IN/OPREP-3/ H. REPORTED PERSONNEL LOCATOR BEACON Hl. VOICE CONVERSATION BETWEEN 7AF AND CINCPAC, H2. 20/2325Z/MAY/l975. H4. ON 20/2325Z MAY 75 THE 3ARRG/JRCC WAS NOTIFIED BY MAJ GANT

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ENRDUTE TO USON RTAFB, PICKED UP AN INTERMITTENT BEEPER WHILE PASSING OBN 104E. IN ALL FOUR INSTANCES NO VOICE CONTACT WAS ATTEMPTED. 13AF RCC HAS BEEN REQUESTED TO INSURE ALL AIRCRAFT TRANSITTING THIS AREA FROM CLARK BE BRIEFED ON THE ABOVE ANO ESTABLISH LISTENING WATCH. ANY RECEPTION OF A BEEPER SINGLA IS TO BE PASSED TO 3ARRG/JRCC ON HF RADIO. BANGKOK CENTER HAS BEEN REQUESTED TO INSTRUCT ALL U.S. AIRCRAFT TRANSITTING THE AREA TO CONTACT 3ARRG/JRCC ON HF RADI01 IF A BEEPER IS PICKED UP. AT 2l0333Z COBRA 061 ENROUTE TO NAKHON PHANOM RTAFB FROM CLARK AB1 REPORTED THAT HE HAO NOT RECEIVED BEEPER SIGNAL IN THAT AREA. NO FURTHER REPORTES HAVE BEEN RECEIVED. z, OPERATIONS CENTER RECEIVED NOTIFICATION AT 210426Z FUTURE OPREP-3 REPORTS ARE NOT ANTICIPATED. BT

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UP IMMJ:O DE ~ui::KJCS 9074 141143 0 21143 Z AV 75 F ~ JCS

INFO STATE PCE WAS~ DC CIA •JHIT. HOUSf ~t.S~ DC A8C CARLISL~ BKS PA CSA!= WASH DC CSA ASH DC A MCC Fn~T RITCHIE MO 0 211317Z 1'1AY 75 F~ PATR.ON Fou::i

TO AIG SEVE~ ZERO FIV Z~R~ INFl CNn HA5HI GTu~ DC CO~NAVAIRP~C SA OIFGO CA C~~PATWI~GSPAC MOFFl=TT FIELD CA CTF c;FVFl\l TWO CTG SEVF~ TWO PT THREE cn~USNAVPHIL SUBIC BAY RP CTU SFV.N T!n PT THREE PT FIVE C ·u-AG/7TH /1F t

~/09. 23/P TRO FOUR/ I 1/QPREP- 3 PI NACLE /072

A. COM~ANnE S ESTIMATE Al . NEG~TJVi: BEEPER SIG ALS VICI tJTY KOH TANG IS. H. I Ctr>ENT ~l . A/C ~QNITOR~D GUARD FREQUENCIES VICIN IT Y OF KOH TANG ISLAN D FRO 210645ZP UMTIL 2111~ozo . Nn BEEPER OR COMMU !CATI ONS HEARD. Z. fMARl

• DECLASSIFIED AUTHORITY M>Z> 1D1uliu.- 5'2..oO · }O ~ '( ..ld: - ---·· NLF, DATE ?Jun

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ROUTINE DE RUEKJCS #9828 1531340 R 021340Z JUN 75 FM JCS INFO SECSTATE WASH DC C I A WHITE HOUSE WASH DC CSAF WASH DC CNO WASH DC CSA WASH DC R 021138Z JUN 75 \ FM USOAO/BANGKOK TO DIA WASHDC/DS•3C v INFO CINCPAC HONOLULU Hl/J-2 COHJPAC HONOLULU HI/CODE 522 i E C R E T NOFORN OISSEM USDAO 0401 JUN 75

sue~: (U) THE SAGA OF THE E•311 - AN UPDATE. THIS IS IR 6 895 0279 75 1. THAILAN0/2. CUl THE SAGA OF THE E-311-AN UPDATE/3. N/A/4. 31 MAY 7515. BKK TH, 31 MAY 75/6. A-217. ADM SA•NGAT CHALORYU• CINC, RTN; ANO ~EAR AOH AMPON NABANGCHANG, DIR OF INTElL, RTN/8. 6 895 0279 7519. 2 JUN 75/10. N/A/11. DAO BKK/12. DIOP: PG2070/13. R.W. KOERNIG, COL• USAF/OATTil4. N/A/15. SUMMARYi (5-NFG-) AT A RECEIPTION ON THE EVENING OF 31 MAY 75, ADM SA•NGAT AND ADM AMPON SPOKE READILY To RO ABOUT THE e-311. THEY NOTED THAT THE CREW WAS STILL BEING INTERROGATE01 THAT THAI FISHERMEN WHO HAO BEEN RELEASED WITH THE HAYAGUEZ CREW HAD BEEN INTERROGATED, THAT THE RTN WAS REASONABLY CERTAIN THE E-311 010 NOT PARTICIPATE IN THE SEIZURE OF THE MAYAGUEZ BUT NOT ABSOLUTELY CONVINCED, THAT IS APPEARED THAT TH! E-311 WAS ON A DIFFERENT MISSION SOME MANY MILES AWAY AT THE TIME, ANO THAT ADM SA NGAT HAD MADE UP HIS MINO TO ASSIMILATE THE E-311 INTO THE RTN WHEN IT FIRST APPEARED OFF SATTAHIP. l• (SNfD> AT A RECEPTION ON THE EVENING OF 31 MAY 75 AT WHICH RO WAS ABLE TO INTRODUCE THE NEW US AMBASSADOR TO THAILAND TO GEN KRIANGSAK CHAMANAN, C OF S• SUPREME COHO HQ; TO AOH SA NGAT' CINC, RTN; ANO ACM KAMON DECHATUNGKHA, CINC, RTAf, RO WAS ABLE TO DISCUSS THE CAMBODIAN SHIP E~311 AT RATHER GREAT LENGTH WITH BOTH ADM SA NGAT ANO HIS DIR OF INTELL, RAOM AMPON. THE TWO ADMIRALS DISPLAYED SOME PIQUE AS REGARDS THE INFO LEAK TO THE NEWSPAPER WHICH HAO

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DECLASSIFIED

AUTHORITY l\:rA &Af. lc.e'.c 0 l 4/.J"/o"> BY · M. NLF, DATE 1 2/t1 lo<

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CAUSED THEM SOME SERIOUS EMBARRASSMENT, BUT OTHERWISE THEY WERE FRIENDLY ANO STRAIGHTFORWARD. BOTH OFFICERS, SEPARATELY, INDICATED THAT THEY HAO CONDUCTED LONG ANO INTENSIVE INTERROGATIONS OF THE CREW, TOGETHER ANO SEPARATELY. CRO COMMENT- ADM AMPON, WHO HAO JUST RETURNED FM A WEEKS VISIT TO THE fRAT AREA HAO NOT RECEIVED Ro•s LETTER AS YET WHICHREOUESTED1INTERALIA1 THE RIGHT TO INTERVIEW THE E-3ll CREW WITH A TRAINED US INTERROGATOR WHO WAS LANGUAGE CAPABLE.HE PROMISED TD SEEK IT ON MONDAY12 JUN AND PROVIDE WHATEVER INTO HE COUL01 WHETHER OR NOT THEREQUEST WAS GRANTED.)BOTH OFFICERS ALSO INDICATED THAT THE QUESTIONING WAS CONTINUING ANO THAT THEY DID NOT KNOW WHEN THEIR INVESTIGATION WOULD BE COMPLETE~ 2. f-$.MF9~ AOMS SA NGAT ANO AMPON REVEALED THATTHEY HAOALSO QUESTIONED THE THAI FISHERMEN WHO H~O BEEN RELEASED BY THE AT THE SAHE TIME THAT THE CREW OF THE MAYAGUEZ HAO BEEN FREED. THESE CREW MEMBERS HAO NOT OBSERVED ANY SHJPLARGER THAN A PC FROM THE TIHEOF THEIR CAPTURE THROUGH THE TIME OF THEIR RELEASE. T~EY WERE POSITIVE THEY HAO NOT SEEN ANY WARSHIP OF THE SIZE OF THE E•31t. (RO COMMENT - IT MUST BE NOTED HOWEVER, THAT THE THAI FISHERMEN WERE NOT CAPTURED AT THE SAME TlME AS THE MAYAGUEZ1 IN FACT THEY HAO BEEN SEIZED SEVERAL DAYS BEFORE. ALS01 THE THAI VESSEL WAS NOT IN THE IMMEDIATE AREA OF THE MAYAGUEZ CAPTURE AT THE TIME OF THE SEIZURE, IT WAS ONLY LATER THAT THE TWO SHIPS WERE BROUGHT INTO CLOSE PROXIMITY.) l. tSNf-9-) BASED UPON THE INTERROGATIONS OF THE E-311 CREW AND THE THAI FISHERMEN1 THE RTN1 AT THIS POINT JN TIHE1 ANO MORESPECIFICALLV• AOMS SA NGAT AND AMPON, ON THE EVENING OF 31 MAY, SAID THEY WERE 11 REASONABLY SURE BUT NOT ABSOLUTELY CONVINCEOM THAT THE E-311 DID NOT TAKE PA~T IN THE SEIZURE OF MAYAGUEZ. THEY NOTED THAT QUESTIONING OF THE E-311 CREW HAD REVEALED THAT THEY WERE ON AN ENTIRELY DIFFERENT MISSION AT THE TIME - A MISSION OF TRANSPORTING TROOPS TO KOH TANG ANO THEN PROCEEDING TO POULO PANJAN ISLAND, THE LATTER A LONG DISTANCE FROM THE POINT OF SEIZURE WHICH WOULD PUT THEM TOO FAR AWAY TO BE ABLE TO ACTIVELY PARTICIPATE IN THE MAYAGUEZ CASE. CRO COMMENT- THE ASSUMPTION APPARENTLY HAS BEEN HADE THAT THE e-aii CREW HAVE TOLD THE TRUTH ABOUT fHER MISSION WHICH SETS THE STAGE FOR THE TIME ANO SITANCE PROBLEM WHICH FURTHER EFFECTIVELY BACKS VP THEIR DENIAL OF PARTICIPATION. THE RTN SEEM TO BE CONVINCED BUT NOT YET BEYOND THE SHADOW OF A DOUBT.) 4. (5NF9> ADM SA NGAO WAS QUITE CANDID AS REGARDS HIS INITIAL ACTIONS AND DECISIONS REGARDING THE E~3ll WHEN IT UNEXPECTEDLY HOVE INTO VIEW AT SATTAHIP. HE TOLD RO HE HAD DECIDED TO ASSIMILATE THE SHIP INTO THE RTN. HE HAD INSTRUCTED THAT IT HAVE ITS KHMER MARKINGS REHOVED1 THAT THE THAI FLAG BE HOISTED, ANO THAT IT DISAPPEAR FROM VIEW. HE TOLD RO FLAT OUT THAT HE FELT HENCOULO ACCOMPLISH THIS LlTTLE OECIPTION WITH NO DIFFICULTY. THE RAT10NALE WAS THAT THE KHMER WOULD, BY HOOK OR BY CROOK, LEARN THAT IT HAO BEEN SUNK BY THE US DURING THE ACTION SURROUNDING THE AREA OF THE . THAT WOULD TAKE CARE OF THE THAl•CAHBOOIAN POLITICAL SENSITIVITIES. THE US WOULD BE SPARED THE ANGUISH IT HAO GONE THROUGH OVER THE VIETNAMESE ANO CAMBODIAN AIRPLANES ANO FURTHER MORE HAO NO use FOR A SHIP LIKE THE

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E-311 WHILE THE T~AI NAVY 010. THAT WOULD PRECLUDE ANY us~THAI POLITICAL DIFFICULTY. THUS WITH NO RUCKUS FROM CLAIMANTS, THE E-3ll WOULD BE DEDUCTED FROM THE KHMER NAVAL ORDER OF BATTLE ANO ADDEO TO THE THAI IN ONE FELL SWOOP BUT THEN HE SAID, CAME THE NEWSPAPER ARTICLE WHICH CAUSED HIM ANO THE RTN AS A WHOLE A GREAT DEAL OF EMBARRASSMENT. HE CONCLUDED WITH SOMETHING IN THAI WHICH PARALLELS1 "THE BEST LAID PLANS OF MICE AND MEN GO ASTRAY"• HE ADMITTED HE OION•T KNOW WHAT THE OUTCOME OF E-311 WOULD BE Now.

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. . FBIS 03••••• /&, B U L L I T I N c A'I aoo I A ANNOUNCES INTENT TO REL EA SE ·'IA YAG UEZ ,....--;!- 7: (!).,. PM f 5 ;- aK 142~ 40 FOR YOUR INFORMATION / ,

PHNO~ FENH DO~ESTIC SERVICE IN CA~BODIAN AT ~j07 G~T

CARRIES A l~-~INUTE PRESS co~~UN!GUE ON THE ~AYAGUEZ INCIDENT ~HICH

IS REAu SY HU NI~, MINISTER OF INFOR~ATION AND PROPAGANCA.

THE co~~UNI~UE SAYS: SINCE ~E LIBERATED AND THE ENTIRE COUNTRY, U.S. IMPERIALIS"1 HAS REfEATEDLY ·AND SUCCESSIVELY CARRIED OUT INTELLIGENCE AND ESFIONt.GE ACTIVITIE£ TO CONDUCT SUBVERSIVE, PROVOCATIVE ACTS AGAINST THE NEWLY LIBEfiATED

NE~ CA~BODIA IN AN APPARENT DESIRE NOT TO ALLO~ THE CAMBODIAN

NATIO~ AND PEOPLE TO LIVE.

IT EXPLAINS ~HY THE RGNUC HAS DETAINED U.S. IMPERIALIST / SHIPS OFF THE CAMBODIAN COAST, CHARGING THPT THESE SHIPS,

INCLUDING THE YlAYAG UEZ. ARE CJ A ~PY SH !PS.. IT ALSO CH~RGES

THE U.S. OF USING ~IRPLANES TO ATTACK CA~BODIPN NAVAL

VESSELS, AND THEN SAYS: "OUR RGNUC ~ILL ORDER THE MAY?GUEZ

TO ~IT~DRA ~ FRO~ CA~BODIAN TERRITORIAL ~ATERS AND ~ILL ~ tRN

IT _AG_A.lN.S.1.__fURTHER ~se 10Nt~E O.R EBQ~QCATlVE A.C_TIVl T1ES. THIS AP PTIES TO THE ."]A YA GLI J2R ANY OJHER SHIPS, LIKE THE SHIF F'tYING

THE FAN A ~ A FL~G ~ HICH ~ i RELEASED ON S ~AY 1S75."

1 ~ 1AY 0005l BR/Gs•••••

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