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1ST MARINE - 1ST BATTALION - HISTORICAL DIARY - MAY 1951

Korean War

Korean War Project Record: USMC-1292

CD: 18

United States Marine Corps History

Quantico, Virginia

Records: Marine Corps

Unit Name:

Records Group: RG 127

Depository: National Archives and Records Administration

Location: College Park, Maryland

Editor: Hal Barker

Korean War Project

P.O. Box 180190

Dallas, TX 75218-0190 http://www.koreanwar.org DECLASSIFIED Korean War Project USMC-04200001 ------~------

DriS/jlp A.9 f?er 1?-28'-' 12 Jun 1951

FIRST EN~JRS~~T on Co, lstBn ltr to CMC dtd 5 Jun 1951

From: Commanding Officer 1st To:_ Commaniant oi' the Marine Corps Via: (1) Commanding General, 1st 1iarine Division, F,,IF \2) Commanding General, , Pacific

Subj: Historical·Diary; ~y, 1951, submission of

1. Readdressed and forwarded. ~~ w. s. BR()",:J\1 •

Copy to: CO, lstBn, lstM&r

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DECLASSIFIED DECLASSIFIED Korean War Project USMC-04200002

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4~:-1/fmh 2295 ser 0 1 7 7-5 1 JUL 1 0 1951 SECOND ENDORSEl-!ENT on CO, ~stBn, lstMars, Historical Diary for May, dtd 5 June, 1951 From: Commanding General, lst Marine Division, FMF To: Commandant of the Marine Corps Via: Commanding General, Fleet Marine Force, pacific Subj: Historical Diary of May, 1951 1. Forwarded. 2. The security classification of this endorsement is removed when detached from t~e basic ~etter, /!JJ)akXir H. s. WALSETH Deputy Chief of Staff for Administration

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DECLASSIFIED DECLASSIFIED r Korean War Project USMC-04200003 [ t ' nRO~>; /ORR ....,~ ..... _., .... ._ ..... Al2 ~ Sera 8 0 7 - ~·t [ AUG 2 9 195'!' t

f TRIPJ) ENDORSEHENT on CO, lstBn, lstMars, Historical Diary I for :May, dtd 5 June,-1951------From: Commanding General, Fleet Marine Force, Pacific l To: Commandant of the Harine Corps r Subj: Historical Diary of May 1951, forwarding of I l. Forwarded, 2. This endorsement is d01mgraded to unclassified upon I detacllinent of the basic letter. J ~ ! Copy to: I cG: · ls tl0:arDi v (end only)

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DECLASSIFIED DECLASSIFIED Korean War Project USMC-04200004

----- o}Ieac1cfUa:rtel~5 ---- • 1st N~rines, ist Marine Division, Post Office, San Francisco, Calif,

5 J"une 1951 From: commanding Officer To: Commandant of the Ma.rine Co.!:!JS Via: (1) Commanding Officer, 1st Marines (2) Commanding Gener1.3~l .. 1st. Me.rine Divisioni FMF ~ I - '-' iT • , '• ~-·, -~~- r',_·.-. ·:~~r -, •',•, .:, l Subj: p~storical Diary; May, 1951, submission.• of Ref: (a) Paragraph 11401, Marine Corps Manual \U/'" \ Divis-ion GenBral Or6.er No-,. 3l (c) Regimental Memorandum No, 5l~51 (d) Map; Korea, l:5o,ooo, .AJ;!S ' ' 1751 .1 :;;~,;r 1. In accordance with the references, the i'olJ:owing historical diary for the month of May, 19511 is submitted.

2. SUf,lMARY On 1 May 1951, the lst Batta:j.ion was occupying defensive positions on high grotmC. in the vicinity_ of CS 9777 _as a res,_erve bgttalj,.pr_l __ ,p:(· ~4~-- 7th _Mg.J.-=­ ines. At 10200, i2 May 19511 the battalion reverted to :(,lJ.e con.trol of the 1st Marines and mo,red to an rec;erve assembly area in the vicin.Uy of CS 9767, The battalion occupied this assembly area until 4 May 1951, At 14451 4 May l95;L, the battalion began movement to a new a9sem~ly area behind No Name Line, at GS 9777 R, S, TILiind X,_ a_ndclo_s..§!cL_~n_ th:tl60Q.~- The bat"oalion stayed in tl:is assembly area until 6 May 1951 at which time it moved into def­ ensive r:ositions in the vicinity of CS 9678 and re}.ieved, elements _oi the 7th Marines. "H" Company, 5rd Battalio:q, lst__ Ma;rin§:>_was a;t.:t.ll-ch"d t'l. the _battalion for employment on 6 May 1951 and was a9signed def'ensive positions in the vic~ inity of CS 7694. During the period of 6 May 1951 to 11 ~~Y 1951, the batta­ lion occupied defensive positions along. No Name Line and ccndu.cted patrols to the front and to contact adjacent units •. On l2 May 1951, the battalion moved eo'.st alon6 No Name Line and tool<; up new defensive posi'!;ions in the vic­ inity of CS S778. On. 13 May 1951, the ~a-~talio_n went into regimental reserve and moved to a reserve assembly area in ths vicinity of CS 9875 C, D, H and I. From 14 Mayl95l. to 17 ·May. l95l; the bat.talion prep0::-ed_ defensive posi­ tions in vicinity of CS 9876 t<:>. DS 0176 and CS 9!)74 tq Cs 91375 i!l event orders were received to occupy dei'ensive positions in that area. On 17 May 19!51, ".!" Company was attached·t.c the 2d Battalioil, 1st Marines for employment, On 18 May 1951, the battalion moved to vicinity CS 9882 and DS 0185 and relieved elements 11 o.f the 2d Infantry Division al_ong No Name Line. .AH Company reverted to battalion control tnis date •. On _1::/.,M<'-Y 1951, ti1e battalion withdrew to new defensive rosit.ions in the vicinity 5?f DS .Q::;.?9 q.n_Q._ DS Q;38Q. Dur-ing the period 19 May 1951 to 20 May 1951, the battdian occupied def'ensive positions in tJ.e vicinity of DS 0180 and DS 0380 a,~d (),on\(uc;t~4 pai;:rols i;g cthe front. llP esti­ mated enemy company was engaged OJ?- HilL-'!.3§, DS 0184 on 21 May 1951 by an Jl1 Company patrol •. After a brief . t)te. patrQ:L (!isengaged and returned with casue.ltie~. no At 0800, the battalion moved out in the attac~ "A" and "C" Companies were in Regimen- t-al objecti'l!e 2 was seized by 11 A.t' the enaey-.

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DECLASSIFIED DECLASSIFIED Korean War Project USMC-04200005 ~­ ' ~ 1-~:~~~~. • I 'su'6j: Histodc!il tiary; Submission of 5 June 1951

Division objective LOVE was seized at 1400 without enemy contact. Jl.fter reftching Regimental objective 4j ri.An cOm11any receiVed-':fi~e from Division objective OBOE and the battalion dug in on Regimental objective 4 for the night. "C" Company had seized its portion of Regimental objective 4 without enemy contact. At 0800, 24 May 1951, n:Bn Cororiany attack and seized objective OBOE. Eleven enemy dead were counted on the· position. "B" Com­ pany suffered elevell: casl:'?.J t_~_es .... (W.:i;!l!. ~~~ ~~?at~-~-~_i9P.i~:~~-J.Lil}~~d -*"-~~~-in~ on this position until the morning of 26 May 1951 at which time it was releived by elements of the Korean t-Aarine Corps Regiment an:::l moVed to a rear assembly area at DS 0176 K, L, P, and Q. On 27 May 1951, the batta- · lion moved with other elements of the regiment.to an assembly area at DS 1797 M as division reserve. The battalion re!Jlained int\lis ass~mbly area through 51 Ms.y 1951 and sent patrols to the west without contacting any .. , - - .. ,_ --·~·~ . =·~'~=:,~=·~~---,--~~- --~~·-·~-=~F= --~ ,~"1>~'~:----~'",-~.- ==--=--=~,-- enemy. .. ----.--...-

''! 5 ~ The follow·ing is a sw.mar-J of· per_sor1~iei change~ during per~cd: OFFICER ENLISTED MC USN MC ., USN ·····~ On Hand beginning period 42 1 926 54 WIA 5 12 l KIA 1 MIA ..." DOV/ l Transferred 2 5 2 Emergency Leave :;; Replacements . 6 184 12 Joined l l l Sick Evacuated . 67 l n~ n Returned to D~ty 00 Number Rotated 5 57 "'2 . Number On mind end of period 44 2 1055 59 -Court Nartials- 1 SCM; 1 DCM

4. CHRONOLOGICAL NARRATIVE: l May 1951 Occupied defensive positions OS 9777. Con.iu.cted loc~ secur­ ity patrols~ Contirr~ed to conSolidat6d_ positions. The ~ita­ lion was attached to the 7th Marines and dr\')wits loitstical support from that regiment. Companies were supplied 11 0" ra- tions by Korean laborers. 2 May 1951 Reverted to control of 1st Marines }Wd moved by trucks to re­ serve assembly area at CS 9767 A. Galleys were opened and "An and "B" rations were served. ' ', L~. ! ...... 4 May 1.951 rv~ved by truck to reserve assembly area behind the 7th 1\lla.l"ip.es at GS 9777 R, S, w, and X. · · · · ·

6 May 1951 Moved into defensive positi<:>n!" e~t CS 967_?5 releiving elements of 7th Marines. nH" Company, 5rd Battali_<:'!l_.t lst Marin!'S attach­ ed to battalion and placed in defensive positions on battalion left flank. Patrol conta'?.teq,KMC UP,:i,t 9)lleft f:).ank at CS 9578...... s. Rifle companies began installation of wire obstacles. Mine fields laid b-.f engineers· in frollt of ~-.i~t~e@·:~--imm:~es-;~---.·· :"--. ·.·. · · · n: A\ ~~0 1 c:'f>lsii•' 2 j l)!)tc u,;j;~.:yu/J Ui.Sccl; r ~-- ---~ <.-.·.:~·-·. «'·~-· DECLASSIFIED DECLASSIFIED Korean War Project--- USMC-04200006---,.,..~ r '

•---:-;-'·-- r ------. subj: F~storical Dia~~; submission of 5 J\:m.e 1951

7 May 1951 lfBU Company patro1led to points WILI.IAM.and XR..AY~- ·ncn ·com­ pany patrolled to "H" Company -posi tii:in. "H" C.<.p .J...}Q. V VO,.!...i.'V.L.I.. ,I.J....I-..1. ..1.0 l,.iV.I.U- panies supplied "0" rations. H&S and Weapons Companies were 11 served n.A tt and nB rations 4L . . . ,,-, 15 May 1951 - At 0015, artillery fire called on estimated enemy platoon at CS 9682. A patrol 'to this area fourd no enell)y casualties. The battalion went into regimental reserve and moved to, ·a rear assembly area at CS 9175 C, D, H, and I. Excess ammu- nition was left on position for the 2d Battalion to u~e. Galleys were opened and "A" and "B" rations served. 14 May 1951 Two (2,) unidentified aircraft were hean:t_ over batta.lion pos­ ition from 2500 to 2515 and from Q(i4;;i _to_;::0400. Flj..ght pattern of' aircraft: indicated aeria).. reconila.isa,p,;'e' J'fas pq:;~sible mis- - sion. An aerial :ceconnaisa"ce of t)le regimental flanks was ____ --~-- made to determine bestpositions-to occupy-in-event ofen=----- emy penetration. Preparation of _S_Uch pOsitions at CS 9876 '. to DS 0176 and cs 9574 to OS \)~75. . 15 ftay 1951 - An 82mm shell rigged as a boo~tY trap was·(i_

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DECLASSIFIED DECLASSIFIED Korean War Project USMC-04200007 r~ . '~·

l~ -~ SUbj: Historical Diary; submission of 5 .June 1951

l.o May 1951 Con uJ.nueci wc.J.r·~ vr.t ci.ei ensive ,p-osi tionJ·~.-· 17 May 1951 "A" Company attached to 2d Battalion, 1st !lfJS..rines for emplyy- ment. 1£ May 1951 - The battalion moved to CS 9882 and DS 0185 and relieved ele- ments 0f the 9th Infantry Regiment. "A" Company reverted to hattalion control. 11 B11 received 8 rounds of 60mm mortar· fire at 2345. Artillery fired on susp~cted enemy at DS 0185 0. OF observed two (2) green flares B.bo1.1:t 4',ooo ·yards tO_ the- iront at 2220. At 2225 OP observed one (1) red,- one (1) white imd on_e_ (1) or~e flare abOUt 4,ooo yaids·'t,Q·_ the '·rront -~11d re- .. ceived small arms fire i'ron the are'a wher'e' 'the flares were . I observed. Rifle cunpanies 'were brought up" tO' l ~¥"units' o:t' ·- fire for machine i:11Ils, Jl]ortar's' arid l:ianci 'gi-ena.des and_-1 uriit of fire for other weapons, T~s W .~f~<3;ted,tl,\;:.t iJe. lt,l/;~~~&i:d ~£o~t 99 ...... Chinese soldiers from Chuncl}on, Korea i;o GS ~g)'j3_ M wfiere. he eScaped. At 0800, 11 A11 -Comp&ny ~cbs'crvGci lli"l eStimated en8Jai squad at OS 9884 M anci galled· art;t:li~_ri in 'on them •. At_l500, the battaliOn withdrew· 'to new deferisiv'i(i>ositions" at ns·'ouio and DS 0580, At 1925, th_e J\Pti':Tauk As~;iiJ.ft Pl,ai;QM f{:rea on orie (1) Chinese soldier c01lling near their lines. - This soldier dropped his pack and escaped~. Ali ammunition was brought ;vith_:. ~ the battalion to the l\e1v' JioS.itiOn~ . . · · . . . . · ·• .. , · ··. 20 l'ila.Y 1951 r~_A!t Company patrolled· 'tO ·:nill .. 7t6', DS 0184. No enemy contact. 21 !.lay 1951 - Patrol sent to Hill 756, !is· 0184, and contacted an estimated-- : enemy compo.ny., The pa.trol .. disen"&;age-d aD"· ret.1n·neciocat' 1406~ ,.,. .. ,. 22 May 1951 11 B11 Company patrolled to F.ill -756, DS 0184~ No enemy contact: Patrol sig,,ted an· estimated enemy· company of ·unidentified · · troops vicinity Hill 5o4, DS 0:384, · · 23 May 1951 At osoo, the battalion attacked t()theriorth. ''A" and n'cj•i Companies were in the at_tack and.HBii·_ C9IDPMY in reserve. Regimental ob~ective 2 _w!'-s ·~e],z~d_b;r~'nAn ~o:::'c" CoJl1ranies · II wit.hcut opposition., Division_ ob~~ctive_ LOVE vvas seized at- ' 1400 without Qpposition. '.i.:i'ter reaching're·iment8i objective'' II 4, "A" Company begancoiilovd.n~('F.toY;arOliDivd:sion ob!fectlve OBOE and Ca.Jlle. Under enemy Smli:Lj_ ~r:J1l:ei·~.nd .. B:u{Qm~t~c Weapons f'ire. ~-' :- .. ,t ~., . " '•'' ··~--·---~. '. ,,,.,_ ,-_, ·-"" ·- . '-. "C" . c_o;npany had s eJ,,~ed ·i ~s _yor~io!l. pf re_gi;n:en!§ll ob j ec];iy~ t <1 ;vl:tllou't opr:osl 't:Lc;l. S:Lnce :L twas l.a.te :Ln the day (1900), it was decided t9 {f(g in .fci1:· tJ\lLmight Qn objective 4, so a ·.-. ~.,:-,::y_·· ""':~c-:'3:~ '~ .•--.,,; -~--~'''( \ .• ·--- ·• l perimeter nas set up on this cbjectlve. One \1 1 Crlinese pris- oner· was taken during the day. · · .. '[ lr------~~. ' l-~[EIDJ l 4

~ .. · I DECLASSIFIED DECLASSIFIED Korean War Project USMC-04200008 -. --.,,

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Subj; Historical Diary; submission of -5 June 19.51 r· . . . "'.· ...... -_--, --~ .. ;..;..;~'.i:~-.. • •·''i' 24 !.lay 1951 - At 0800, "B" Company moved out in the attack and seized D~vi­ sion objective OBOE- against light opposition. ·Eleven eneiey­ dead were cqmted on the poSitioti. 11B." Cbinpany- sUffered 11 casualties (WIA). The remainder o£ the battalion was moved Oil this objective and a per1meter WaS established. Rations ~:10-_~Sl:g~t_io~l-6.-~_pJrrt~.~.-:!~_!-~-~ w9-s _brought -·u~- -b;·_ f(~e·an ia·.oorers·. Twenty grenades and one banga1ore torpedo rigged as a booby traP were destrOYed. Six (6) rounds of mortar fire landed in tilE!. posi tio11 4wi.ng th~ day. "A" Company patrolled to DS 0287 K and encountered n<;> opposition. den C:omj-:any pairolled to DS 0188 G and came un~er heavt, !\mal:!,,, ~ms a,~d )DDrtar i'ire at·this point. Artillery, mortars and air were called in on the enemy position. The patrol th6ii d:lSerig8.~geCC~n1d returned. Artillery was called on an estinia:Eed enemy company 'in the valley at cs 9890 E with t:inkown''resuits. · · 25 May 1951 - "A" Comr;any patrolled to Hill 755, IlS 0190 and found that the enemy had retreated from this position. Thirty-one· (51) en­ emy dead was counted on the.position. ''C"-Company patro1led to Hill 916, DS 0588 without find:lng"'any enemy. A 60mm mortar, a n:ou.rp!~ gun, some small arms a:rrm.iu.ni tiOii a.UCl tW.Slve (12) grenades had been left by the enemy. "B" Company-patrcilied to .DS 0088 B and captured two (2) enemy prison~rs. · .. 26 May 1951 - The battali.on vras relieved by elements of the Korean Marine Corps Regiment and moved to a rear assembly area at DS 0176 K, L, P, and Q. · -·~ 27 May 1951 - The battalion displaced to a new assembly area at DS 1797 M. Ju1_o-utpost was established at DS 1697 T,. Fer~.. (4) enem-j"--shol­ d:iers who had been wounded were picked U:p near the battalion area • .tl patrol destroyed approxim&.tely two-hUD:ared (::2.00} rounds of 8lrnm mortar amnniriition, two-hundied{200) grenades, twenty (20) rounds of 5.5 11 rocket ammUnition and twenty' (20) . r=ds.. of 2.56" rocket .ammunitionnear ~:he batt.alion area. Galley:! were opened and "A" an

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Korean----~- War Project USMC-04200009 ;<•>. ,.__

. ---·- ----~---.. -- -- - ~ .. • subj: Historical Diary; submission of' 5 June 1951 ,,.,."'' 51 May .L~t~J.. - .t'aTtrolled bu JJO 1598 M. No enemy 6'6i1.taCt. r:JJ)? ak~ ;b .vv.~~ R.~T . ' }!:'

Appendices: Direqtives.rece~ved during period I r'-' ·-· II None III OVerlays of' each changed situation IV None v None VI Photographs of bivouac areas occupied by ·_,Ghe battalion ._,.- .

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DECLASSIFIED DECLASSIFIED r-­ Korean War Project USMC-04200010

• Headquarters • lst Battalion, lst Marines, lst Marine Division, FMF c/o Fleet Post Office, Bali Fr!inCiscc:f; ·calif~ --- ~-~ ___:_ __ ~--~---· ------~-'~·· _ . -~------~ ' !

;'t· ,,:-' Appendix I to F~storical Diallf for.Mont~· of May.l951

·~- ,., Directives received are as follows: · '· 7th Marines Fragmentary Order 5015oOl. (Coxlf) t 7th Marine.s FTagmentary Order 0117501. (Conf) 1st li:arines Operation Plan Nlifuber~~51 (com). 7th Marines Fragmentary orci.er'04o2'3501 (Conf). I 1st Marines Fragmentary Order 0418001 ( conf). 7th Marines Fragmentary Or<"er 0516001 (Conf). ,...,_~ ,....,..,.,.4- ... l-. (\t:',Q<;1llT ff'lnnf'\ I lst Marin~s .Li.I.Pj:-'C.VVJ.A- """-'NN.,L."',J.. \ v..,..,_ J • lst Marines FTagmentary Order 112250K (conf). lst Marines Fragmentary order 121545K ( conf). 1st Marines Dispatch 121950K. 1st Marines Dispatch 1B1025K. 1st M!J,rines Dispatch 1515~0K. 1st· Marines li!agmentary Order 151550K ( Conf). l.St Marines Dispatch l6l907K. 1st !l.arines Fragmentary order 172100K (Conf), lst M:_;,"ri:nBS Oral Message l81445K. lst Marines Fragmentary Order 191215[ (Conf), 1st Marines Fragmentary order.l92250K (Conf). 1st Marines Fragmentary Or"er 192300K (Conf). 1st Marines Fragmentary Order 201820K (conf). 1st Marines .tr.r.•agmental'Y Or-der 2102BOK- ( Conf). 1st Marines Fragmentary Order 211950K (Conf). 1'"-'+ Fragmentary Order 22lill5K w/chan1 ... Marines Dispatch 302200K.

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l -. •. ., -·-[/JJW!rrr.. ·_.. • n' . _ . ______, H_<3~dq\larter~ __ __ _ -l.fii"""' /bfhi"> , t 1st Battalion, lst Marines, ls~ Mar~"'le_ Division,~.t'~-- . ; . -. "}' c/o Fleet Post Office, San Francisco, Calif. . · --·· -~._, 5~ May 1951 :.\ To CO 1/7 2/7 5/7 1/1 AT H&S INFO 5/11 CG 1stMARDI~ CO 1 - 5 - 11 T_K BN KMC SL PLT SAC -~, ··~ __ ;. ~,'' T . . ·.·· ... . . •.. · . . ~fA; . . . THIS IS 1IT FRAG ORDER 501500 X REGT CONSOLIDATES DEFENSE POSITIONS AND 'PATHOT.S X 1/7 AT 501500 SEND TK INF ENGR PATROL TO vrc9iso TO PROTECT EJi!GR Ti DURING ROAD-'CRATERING AND RETURN UHJJ{COMPLETION-X AT 01:0750 $ll:Np TK ...... -- INF PATEOL To VIC 9480 AND Rl!.""TffiW PRIOR TO Oll~QOX WJ~bo~i:Ac'T WfTH KMC .. REGT AT 9175 E X 5/7 AT 1.00700 PATROL TOI!ILL AT 9685J ANDRETURN PRIOR TO 011600 X !!.AINTAIN CONTACT WITH 58th INF Ji:f 98?~25 AND 1/7 VIC 96781 X 5/7 IN RESERV~ AND l/l IN RESERVE PATROL LOC.8LLY A!~DREGONNCITER ROUTES OF APPROACH TO 1/7 AND ?/7 POSNS X RESERVE BNSPREPARE COUNTER ATTACK PI.J;Jls USING TA!lli:S WHEB.E POS~SIBLE ~•. J\T.;f, UNITS. CONSUT~IDAjl!f POSNSJ-WITji PN11')'ICUT7~.R EMPHASIS ON P~GT•L BOUNDARY APPROACHES . - X";

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i .-- ..... ·--· -~~ ' To CO l/7 2/7 3/7 1/1 AT 11 D11 ENGRS nDu_ TKS 5/11- Ih"'FO lst - 5th M.AR KMC ;• CG lstMARDIV - 58th INF REGT . . .. '~~ . , ~ I -'-~ .::_~ THIS IS IW FRAG OR:ER 011730 X LINE CPJJEs~:h.S r:ILL O.HPJl.TF ON i MAY ~tN . __ 885826 X DIV RCN \liLT. F.ATROL RD TO VIC 9185Z. UJ CC!,fi-i.:~1'IO!l TJJ F:J:P.HRS X REGT READJusTs REF PosNs m1 Nc-:-I~AME Llli:E .ll.N:D~i'.Ai':i01s~x- FOR-ii:Ew 13o6Nn1iF.S -EimcfivE 021200 SEE OVERLAY ·:cJ:/7 AT 020700 SEND TK::;INF-ENGF, PATROL .TCJ CRATERED ED IN Sl80 TC PROTECT ENGFiS Dl!RING HD R1'JC AIR X AT 021000 CO!;JM.'EriCE READJUSTMENI' OF' POSNS IN ACCORDAl'ICE ViiTH NEW SECTOR X ~UiiN'l'Allf CONTACT -WITH,KMC REGT AT - 94 751 X _2/7 ltT 0207(!0 P.ATROL LOC.t\LLY X_ ..ff,f..PTTJJ:l(_ CONTACT \"f.ITH.,t/7 AT 96 78I,~ .AND WITH NETHERt.ANDS BN AT 982825 X 1/1 .AT 021200 REVERT TO LST MAR X 5/7 IN FJ£3ERVE AT 020600 SEND :S.EINF GO P1\.Tii.OL TO ESTABLISH PATi:.:OL BASE fOR 48 lrR,S VIC EILL 755 IN 9684 TO J:'J£TURll AT 041800 X SEND PATfDLS FRG1! TI!AT VIC NORTB AND NW TO- LIMIT 0F Arm: SUFI X POSNS OF BASE .WILL BE J\LTt~nED EACH NIGHT X F'tc0GnE0S CJ.i· P.A'l'R.Ol.S SEN'l' tllO,ii 3ASE 'wi;L_I, Bi P.EPTD EVE."iY T'•'iG IC>{S C)', 1\11EN IS SIGETED OR ENJO!~;y Cm!TAC1 HAS BEEN 1/illDE X PATROLS V!ILL 1\. VOID BECOU­ MING ENGAGED X ITEiv~ CO REVER~ TO 3/7 AT 0~1200 i AT 02l200 MO"~lE l CO 'l'C VIC 9778NC AND 9878K X CO AT PATROL BASE WILL MAINTAIN CClillllNICATIONS ON SCR 300 VIITH DOG CO()N 2/7 TACTICAL NET X .

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DECLASSIFIED DECLASSIFIED Korean War Project USMC-04200012 __I - ~ ____ -,-.<':_-~ -::-'=-.--~...-,.;~-;,~-=;o;;: .. ~£-=-.-,;__;iS::;,e:··-~r""'------,~-~ :~~~~~:i:i!fij:~~""""•""'' .o...... - _-- • Hq_, lstl\!arines (Reinf) lstMarDiv, FMF ! Kujandt•o, Korea II ' 040830I 1/fay 1951 OPZRA.TION PLAN)

NTJ~_ffi}..:R, , , , 5-51) I Map: Korea l/50,000 I TASK ORGMfiZATION: Annex ABLlll · l. a. Upon the continuation of' the 39th an<;l '~Oth CCF armies attack south of the 38th parallel ho has the capabili~s of-effecting limited penetrations along the Hwachon - Chunchon - Hongchon axis; Hongchon Gang - Pukhon - Gang corridor. .," I b, 1st Mar Div as element of the Hlth Corps continues to defend south · of' "No Name Linen • I -:_·_ ,!-, .I 2. a. lst ~~r (Reinf) in Division reserve in present assembly areas prefa.res plans to execute counter-attack mission~ i_n following areas: (l) Hwachon-Chunchon-Hongchon Axis (Plan ABLE) (7th Mar, KMC Sector), I (2) Ogumal-Hangye-Hongchon Axis (PlBn Bft-~ER) (2nd Inf Sector), ( i5) Hongchon-Gang-Pukhon-Gang. corrj,dor (Plan CH~I)i;J ( 5t);LMaJ: .Sector) • b. Area and time to counterattack to be announced, I c; Routes and objectives - Annex BAKER.

I 5. ~· lst Bn (Reinf) - from present as~ambly area be prepared to occupy objective ABLE or to move to designated assembly area to seize initial r regimental objectives B, C, D, E, or F, prepared to counterattack enemy penetration on order, I · b. 2nd Bn (Reil'ff) - on order move to designated forward assembly area seize initial regimental objective B, C, D, E, or F, prepared to counter­ J attack enemy penetration on order. c. 5rd Bn (Reinf) - on oJ.•del" move to designated assembly area prepared to assume mission either assualt battalion, d~ AT Co - StlJlport. operations as directed. x. (1) This plan effective upon receipt for pla~pg, for execution on order. -- (2) Attached units establish liaison with battalions, respectively. (5) Units prepare to move on two (2) hours notice. \'±)' " ' Units execute reconnaissance of counterattack r4?ute~. '

4. a. Current administrative inst~~ctions. b, (l) Necessary transportation to be furnished by this headquarters. Total of' 65 trucks maintained from 1800 to 0600 daily in TA 9162 for use by leading battalion. (2) Supplies to be carried. (a) Class I - one day. (b) Class III - one day. (c) Class V basic lo~d. 5, a. Current SOP-SO! with change ;-121 effective. (1) Upon alert units to man R~gtrl TAG; Aux Tac and Regt'l Cmd nets. '":" -·:,:~<·. if._ . '~ . •li'

2

DECLASSIFIED DECLASSIFIED Korean War Project USMC-04200013 -·..._ ------(Cimt•d) ------·------.>Iii .... -· -· .... _. ..;..: ~- -· """"·- ... b. Location of .command posts to be reported.

BY ORDER OF COLONEL MC ALISTER

A. SUTTER Lieutenant Cf?lCne~, U. S. "tvtirine Corps Executive-Officer

Annexes: ABLE - Task Organization BAKER- Operation overlay

DISTRIBU'"TIOli; Special

OFFICIAL:

R. E. LORIGAN Major, USMC S-3 ~- ~ w,'f :L ,1 $. :j;.: "' _,

··;1' :,j

~~\ ~)

;;!';-·- ~ "-~ ~ "" "'':!f

DECLASSIFIED DECLASSIFIED

Korean War Project USMC-04200014 ~~------~-~~-- ____ ,_ -- ~~-.--~ ------~-- ~--'"'

·'~

Hq, lst Marine· (Rein£') · •lstMarDiv, FMF Kujandt•o, Korea. o~oesur ~y 1951 ~ ' ' ....''it Annex ABLE to Opn Plan 5=5~ TASK ORGANIZATION ~--~ lstMar (Reinf) Col MC ALISTER tt&SCo, lstMar (-) ATCo (-) Det, lstSigBn Det, lstServBn

,;' .l a. lstBn, lstMar (Reinf) LtCo11 WEST lstBn, lstlllar Det, H&SCo, lstMar Det, lstSigBn (TACP) 2d.Plat, .1,.2 Mortar Co

b. 2dBn. lst Marine (Reinf) LtGol MC CLELLftJm 2dBn, lstMar Det~ H&SCo, lstMar Det, lstSigBn (TACPj 4.2 Mortar Co {-)

c. BrdBn, lstMar J&tjor TROMPETER 5rdBn, lstMar Det, H&SCo, lstMar

BY ORDER. OF COLONEL I~G ALIST:El:l ~ ..· A. SUTTJ!:R Lieutenant Volonel, u. S. Marine Corps 1i'-l...... ,,_.. n;.,+;...... ,....,..,.,..v..,.. T>"o n.P..P.;v*""'+"-'OJ, ..-...... - DISTRIBUTION: Same as Opn Plan 5-51 OFFICIAL: t· -·-..-..- R. E. LOF.IGAN Major, USMJ S-5

DECLASSIFIED DECLASSIFIED Korean War Project USMC-04200015 . i~ ~ r . - ~ . . . ,:-.~

To. CO -1/7 2/7 5/7 -.-"1!111!"2 AT H&B INFO 5/11 11 D11 Tks ''D'.'.-Y.i...t!lt .•·g_ .+~ .. ij]~~~~~$;~~~-.rm-.. l' n·•,. THISX IS MY FRAG oru:fuR 042550! X DIV CON~INUES TO HOLD PRES;;~-POSITIONS ALONG NO NAME LINE IN CENTER liND UFT OF SECTOR X IN RIGHT'OF SECTOR DIV SEIZES OBJ .ABLE 0800 DOG DAY TO ESTABLISHADVJINCE REGT 1L PATROL BASE XON DIV RIGHT 7TH REGT 2ND INF DIV ADVJINCES To· SEIZE OBJ BAKER X l/1 A!lSIGtlED MISSIONS OF PATROLLING POSITIONS VACATED BY 7TH MAR ALONG N

._. ~ -• ..- THIS IS MY FP..AG OHDER 04l800I X 9TH INF ATTACKS AND SEIZES OBJ B.AKEH X 5TH MAR, KMC REGT CONTINUE TO DEFEND NO NAME LINE X 7TH. MAR ATTACKS, 11ND SEIZES OBJ J\BLE X 1ST I•!A.Fl EEINF MOVES TO NEW ASSEMBLY AREA TA 99'/'3 AND OCCUPYS HIGHGROUND VIC TA 9678 X H-HOUR FOR SEIZUEE OBJ ABLE, "J31KER050f300I MAY TO BE CONFIR.MED X 1ST BN ON 4 MAY MOVE TO ASSEMBLY iiREA VIC. TA 97'77 PREPARED ON ORDER TO OCCUPY BEST DEFENS.ABLE GRDUNIJ v'I:C T.li. 9678; CONDUCT- . AGGRESSIVE PATWLLING DAILY TO FLANKS J;ND NO NAME LII~E ·x. ESTABLISH LIAISON WITH 'l:TH MAR TO COORDINATE OCCUPATIOi~ OF DEFE:.::stV:E P6s.ITI5N8 X 2D Bfi Mb\7]; TO NEW ASSEi;lBLY AEEA TA 9875 ON 5 MAY X 5D liN MOVE TO NEW ASSEMBLY AREA TA 9875 ON 5 !LI,Y G!iiA F.EGONNOITER HIGH GRouND VICINITY 'l'A 9478 IN PREPARATION TO OUTPOST IN COMPJ\NY STEENGTH X 4.2 MOETAR CO M:lVE TO NEW ASSEMBLY AREA ON 5 !/lAY CMA PLACE IN D/S 1ST BN ONE PLAT X AT CO IDVE TO- NEW ASSEMBLY AREA 5 lftAY X FRONT LINE UNITS ENFORCE STRICT CAMOUFLAGE DISCIPLINE X DEPARTUEE SCHEDULE 050750I CO C EiiGR X 050800I 2/1 XOS09o6r-Jnm -CMDGRP CI\1A. AT CO (-} X 051200I 5/l X 051300! 4.2 MORTAR GO eM! RE.rJt- Cfiffi~ GRP CMi~, AT 90 (oJJ.} X . •:t. -~ GO; 1st !M.R ' ;' ·- ' ~l .• . ;: ,_ )·1-':-.:·,;!·~·, - . . To CO 1/7 2j.7 5/7 4.2 AT H&B INFO CG 1STMARDIV 1ST 5TH 11TH MAR 5/11 1/1 II DII ENGR. "D II TKS 9TH INF KMC -· . . . - . " J _. . -----~~'------, .. --- _·: .. ",·..• : _:... .. , : . Trus rs MY FRAG uwER o5160o w~eH_ WDJ:FIEtt1n 04~556-:_-x ti~~ bhldK PorliTs AS FOLLOWS X HILL 471 IN 9285 IS 06A :X .HIL'L 545 IN 91S1n:s .15 X HIGH GROuND VIC 9182J IS 14 X HILL VIG 908~N IS 15 XB!GH_G}?.OiJ;ti["Y!C 9187'P.IS l6 X HIGH GROUND VIC 9180-; IS 17 X HILL VIC 9180U IS 18 X HI(}H GROUND VIC 9279M IS 19 X 2/7 (-) AT 0650 DOG DAY PATROL TO CLEAR MSR IN~ COORDINATION WITH TV/0 TK PLATS AND ~~C T+!Ho;c,s,x.~~~D,.. OJ

HIGH GROUiiD TA 9476 X . ~'- ,,;_· ~ . ·~~ 1 . ' • ,':\' ' ------. ~_c~~f-%lST}~-~:· , :"' . ·... ·.. . , ,. < " To 1/1 2/1 5/1 4.2 CO AT CO DE lSTMAR INFO 1STMARDIV KMC REGT 5TH 7TH A CO TKS. 2/ll . . - llTHMAR C CO ENGR - • .. _-,-__ '' ,-'- ~ .>. • .. •~: ;,.·'- -~ --~·-... _... ·,, .. ·_;':~~- : .__ ' ' .·. - ''-< ·-.. ~-' : ~- F'"'".ttAG ORDER ll2230I(X 1STMAL't ORGAJ."qiZES liND odCuPtEs· POS'rTI014S.-1IDJ1JG 'No NAME LINE H CO REVERT PARENT CONTROL 1212ddi(X TJirfJ(PLAT V'i!C 9475'A'l'TACiiEl'l"3/1 121200K 1/1 & 5/1 OBDANIZES & OCCUPIES DEFENSIVE POSITIONS ALONG NO NAME LINE X 2/1 REll.AIN IN DEF ASS AREA PREPARED TO COUNTER - ATTACK X 4.2 CO MOVE TO POSITIONS IN D/S OF UNITS ON LINE X MAKE MAX USE OF WIRE MINES BOOBY TRAPS AND CAMAFLCUGE X 1~ U/F ON POSITION FOR MORTARS J.fl GRANADES X 1 U/F FOR SA X SUBMIT OVERLAYS ON ALL DEFENSIVE INSTALtA'r:tOflS lt ...... - . . - . -J .t:.-· • .;;. ··,. co JSTMAR ··' ·, '/ To 1/1 2/1 5/1 4.2 MORTARS AT CO DE 1STMAR INFO 1STi.LiiRDIV GR 45 BT 12l545K .;.-"''/ ·:--"ffr.·• :-;~:.~,~~:~. THIS AMPLIFIES MY FRAG ORDER 112250K. X 1 SQUAJ} 75MM RG ATTAi::ill:D TO 5/1150000 TANK D/S 5/1 X BT . . . X AT CO PUT 1 SECTION . I ~ . . . . CO lST MAR ~~_ ...

To CO 1/1 121950K .-• <-:\.

:! I

,1.-·.·, .. •i. ~- • ..-.;: t > 't;;;;_ :'·;;+;;;{;\'" ... -~· .t I DECLASSIFIED DECLASSIFIED Korean War- ...... Project -...... ------USMC-04200017 ' T . /~·;:~-r- -. . r- ...... ·- } ... 1 • 1 • I

. ,.,_ .. ,.,_, ·- .. To 1/1 I51!: lSTMIIR 131540K . ~- -;\.~ ... ,_ __, _'._:: -.~:, ... ···:~~ -··._·: ~,:,, ... x.,.,.-~- ESTABLISH SENTRY ON fJY STRIP ADJACENT TO YouR CP FROM 0800 1'(} 1000 DA!Lt":f X SENTRY TO PROHIBIT STRINGING WIRE OR OTHER OBSTACLES DANGEROUS TO AIRCRAFT X SENTKY TO HAVE A PHUJiE AT HIS POST- FOR USE ·cF VISITERS X IF TRANSPOR':}:'JtTION IS REQUIRED CALL WIND 4 BT

' ' 0 -~, .. ··· 0 0-~ 00 : ""o• <.!,.' ·,' __ .,. -~:T-,~:,, • ~ FRAG ORDER 131550K X 1/1 CONSOLIDATE POSITIONS IN PRESENT ASSEMBLY .AP.EA CMA UUU ·!ill To 1/1 DE 1STMAR INFO· 1STMARDIV 161907K ,. ···c: EFFECTIVE 170900K ATTACH 1 COMPANY TO 2/1._, X

·co :J-91 MAR •...;t ·~· . ~_;; ......

-- /..,_ "" J., 1'7 /, .. n l"'.t"'t. A f'IL'l , f'lmmrl'n,.T I ~/ .l. i:.f .L Df J.. .r:.~ \,;V Ji \.JV .1..0.l.L.L'I.DJ.'I TO

, l- . "::·~ ·:;.:.__ -r~-: ,., .. · . . ,'~ '> I THIS IS MY FF_I\.G O:RDF.ll, 172100K X lSTMARDIV'READJUS'l'S POSITIONS ON NO NAME tlNE X 5THMAR UPON RELIEF REVERTS TO TO DIV RES X 7TH MAR ASSUMES RESPONSIBILITY I OF ¥/EST PORTION lSTMAR PRESENT SECTOR X.J.Sl'i.IAR UPON PHYSICAL RELIEF BY 7Tmillt SHIFTS PRESENT LINES TO NEW DIV BDY PAREN .EAST PAREN AND ORGANIZES FOR DEFThlili X lSTBN COMMENCE AT 130800K MOVE TO lfELIEVE lSTBN 9TH ·INF IN zONE CMA ORGANIZE I BEST TERRAIN FOR DE.vM~SE I~O 1~M{8"'tiNE -1( 111SASSUME ·ctYNTFJ)L- CO A WHEN- HELEAS:ES ,, BY 2DBN X 2DBN WHEN R1!,'"1,Ill:IIED BY 7THMA1t SHIFT PREsENT tiNES TO FAST ALONG NO X RELEASE 00 A lSTBN TO NAME LINE .4ND FEORGANIZE GROuND X TI'E !N WITH lSTBN ',i PARENT CONTROL WREN D CO HAS BEEN RELIEVED' X 5R.lY BN @Oil' RELIEF BY 7THMIIR l ASSEMBLE IN REGT•t RES IN TA 0178 X 4.2 MORTAR UPON COMMENCEMENT OF RELIEF MOVE 1 PLAT PAREN RIGHT PAllEN TO TA 0081 A TO SPT MOVEMENT OF 1ST AND 2DBN X UPON RELIEF OF 5RDBN MOVE 2D,PLAT T{f SAM:E-ARE:A'_TO_ SPT RI!,""GT'L FRONT X AT CO nlltA n-r:vfA-fiT ../"4'1'\'II.Tr'!iD('i:T- C1'tlf'l !'f\'Tl'CC A'i.-rt"l •f7t.:1Rf "Of"'_:_ C!f"\itr.n C"D=Tl PW-uH'PT.ri\-"]/11n'.,"1'p f..~ .,...,lJTJ.'RH't:'r~ IJ_J!JV .1.!\.U .11..1"UJ l VUU." _J.LU _':.Jio:tU.tWJ l U.l.. .t. J.I.U .o.;.u...L..n..'.J..lrJ..W.I. • ...._,_...... ,..,~ IJ.MB. .1:\..!!JU".t:W..l~ V'UHJ..nVJ..J_ WHEN RELEASED BY 5RDBN X CO A TKS PLACE'""Yifl:i/S 1STBl!fTPLAT GMAMOVE lllOO!AlWDER CO TO VIC RE-S BN X PLAT ATTACKED T05iiDBNREVERTS·mstiN-G11JSIN(rJ:fEVi"ASSEMBI.Y' AREA X TKS TO B:8 FURNISHED BY THIS HJJQRS~lrl.STMJiR.'(jp REWN$-THE SAME r JU,r, UNITS!>! MAN REGT 1_L TAG CMA AUX TAO GMA ~iJ1JMI5 A~ 180700K ~t=\-1-.!illlE. ..ES.TABLrSHED X OVERLAY TO FOLipW X BT , GO 1ST MAR f llflOO~~~' ~0>-jlt. , . --J> ll _•. ,'>)Ill. 1.,'"' ~· - ,•, • r ~ ~\'::::lli U1.1:.::1llil . ~- - - DECLASSIFIED DECLASSIFIED

Korean War Project USMC-04200018 ··.-··-~ . It'

To 1/1 •ORAL l.81445K sEND LN OFFICER TO ADJACENT UNIT oN RIGHT x co. oi s-$· MEET IMMENsE: sr:k AT HIS CP AT 1550 X

-C_O 1ST MAR . --, ' -· : ·-· • '· ,_ . ' ' ' . . . . .:1!-~ ~ -._ ' . 'Jlo 1/1 2/1 5/1 4.2 MORTAR DE 1STMAR INF05T~ 7THMA..lt llTHMAR KMG_REGT D!V ·• ,. :. ' • ~ - -. . ' • ·' . '.,. :· \' .-_ ,- _..; 0::, THIS IS MY FRAG ORDER 191215K X lSTMARDIV ADJUSTS POSITIONS ALONG NO Nft~ . LINE X 5TH RELIEVES ELEMENTS 58TH INF AND OCCUPIES OBJ riOO f l/1 ON ORDER W!ll'H-­ DRAW AND OCCUPY BEST GROUND IN SECTOR OB.f'CHARL!ETMID!'i'A'frf'ci:JNTACT 'WiTff - 5THMA:R X 2/l IN CONJlJNCTION YTIT.d ELEMENTS 7Th"MA.R 1iiTHJ5RAw FJID OCCUPY BEsT . GROUND IN SECTOR OBJ CHARLIE X 5/1 HEMAIN IN PRESENT POSITION Clll.A RECON- NOIT:B OPJ GEORC,JB Cl\'1_1\. ITEM CO Fli:Jf_A.IN Irt_ PFES~. fl:)SITt_6N tlNT});. l./i CLOSES NE\V ARF.A X 4.2 MORTAR MOVE TO NEW POSITION ViC TA 0178 X 01~ PLAT REMAINS IN POSITION TOM SPT VIITHDRAWAL i/l. CMA 2/l X GO A -TANKS RruiN -IN PRESENT ASSEMBLY AP~A X PLACE IN D/S 1/l ONE PLAT X OVEHLAY ISSUED SEPERATELY X 1STMAR CP F.EiitAINS SAME X . . • . .. " . ' . . •: . ~ -CO 1ST IviAR "~ __;_} -~---:,~\-·i; '_;~~~~ ~~~-.,. '•. A:.t·; To l./l. 2/1 5/l. 4.2 CO. 11 0 11 CO 1ST ENC;HBN "A" CO 1ST TKBN INFO 1ST!d:AFlliV lSTKMCREGT 5TH 7TH llTH lSTTKBN .. +·-. . -·,_- -. Th"'S IS MY FRAG ORDER 192250K X lSTMARDIV ,!JN OPl)J!ll: ORGW~E llND DEFEND ALONG WACO LINE X 5THMAR ON RIGHT X 1STMAR ON ORDER WITHDRAWS AND OCCUPIES_ Q);lJ GEORGE ON WACO LINE X i30iJ1wARIES CMA OBJ AT'I'.&Cht0 uvruif;/11; ~'J..Zi ON ORDmt_90MMf:f!CE WITHDMWAL AND ASSEMBLE IN VIC TA 0272_ IN REGT_'L RES X PROTE-CT REGT'L RIGHT . (EAST) FL.A~lli: X 2/1 ON ORDER COMMENCE WITHDRAWAL .AND OCCUPY BEST GH01J1iD IN SECTOR OBJ GEORGE X SPT WITHD~ALl/1?; ~~~ON_ORDER QGCUP'£.)?E3TgR01J.li_D :J:N SECTOR OBJ GEOBGE X MAINTAIN CONTACT VITTH 5THMAR X 4,2 MORTftli CO SPT WITH­ DRAWAL X MOVE ONE PLAT VIC TA 0175 TO c\)yER 1/1 CMA 2/1 X AT c() SPT OPERATION AS DIRECTED X CO A TKS PLACE ONE PLAT IN D/S 2/1 X ALL UNITS EXECUTE RCN OBJ GEORGE x UPON VACA'riNc oBJ CHARLIE P:P CMA 4T MI.Nts TtiB.E.LArD Bi ENQR i REQ'l''L CP TA 017l X _.-.,

CO lST Mi\Ji

' -' - -~\ ~. . ;j To l/1 2/1 5/1 DE 1STMAR INFO DIV ~-7~ll~KMC ·v i FRAG ORDER l92500K :FUR 20 MAY X 1/1 P ATHOL TO. HILL 75(; TA 0184 X 2/1-PATROL TO HILLS 750 AND 705 X 5/1 OCCUPY POSITIONS. .. \JW. G AS P~R F,RAG OR.DIDI: 19_f230!( X INSTRUCT .ALL PATH.OLS ON LOCATION OF MINE FIELDS X BT . ' ' .): " . ;'···· . . __ ,__ 'lli_ .,.,:. -~ ~-<"~

' To l/1 2/1 DE lSTMAR - OP - INFO DIV ~ 2/ll'- 4~2 -__ ~ - i ,_ i{ ~ ~MC . ' . ·' . -·· ··-·: - ..""~-.' 'j ·?· ·:·.~· FRAG ORDER 20l820K FOR 2l !(JAY X 1/1 SEND co SIZE p ATRof IN. z6~E 'T~ SA~riLE 615 IN TA 0085 X 2/1 SEND CO SIZE PATROL TI~. !Z9J~ .~0- $fo:PPL!.r2,g~tt"';n.~ .t~ ~9;~.9 ?JJ_t _ . -·'/"_,_i,;;·:~; .·, -- ·-,- , -;r::-J ·. "'- _::::.-: ~;\;-J :.-:\- i"~_:...:.::~::~,~ :: __ ·~,~ .. - . .·

""' _-'" :_. _-_,'_:·?~-· ~-:_.-.·-•.· '6:·:.;,;-j•_).j;::,,..-·--. ~· - _. ~·· DECLASSIFIED DECLASSIFIED Korean War Project USMC-04200019

To 1/1 41 3/1 4.2 MORTAR Co "A" TKS Co "C" ENGR

THIS IS MY FRAG ORDER 210250K X lST».AmJIV DEFENDS NO NAME LINE NO i5 IN SECTOR X SthMAR ON LEFT X 7thMAR ON RIGHT X BDRY CHANGES EFFECTIVE AND MOVEMENT TO BE EXECUTJ:JFON DIV Oi:OER X OVEr'J.AY ATTACHED X letMAR OCCUPY AND DEFENDS BEST TERRAIN OBJ GEORGE X 1/1 ON ORDER COMIIENCE WITHDRMAL TO ENTRUCKING POINT THE!! !I)VE TO ASSRVRLY AEEA X SUPPORT !'!ITHDF.Al'TAL 2/1 X 2/1 ON ORDER ·coMMENCE WITHDRAWAL TO ENTRUCKING POINT AND MOVE TO RIGtiT SECTOR OBJ GEORGE X RIGHT, PORTION SECTOR TO BE DEFENDED \'liTH MINIMUM ONE COMPAlfY X 3/1 ADJUSTS POSITIONS LU,'T SECTOR OBJ GFJJRGE X SUPPORT WITH­ DRA•>'AL 1/1 CMA 2/1 X 4.~ MORTAR CO ON ORDER TO COMMENCE WITHDRAl'iAL MOVE PLAT TO N;w: PO.SITION X SUPPORT WITHDRAWJ..L X AT CO SUPPORT OPEF_flTIONS AS DIRECTED X CO "A" TKS REGAIN CONTROL PLATS WHEN RELEASED BY 1/1 CMA 2/1 MOVE TO NEW AS,cEMBLY AREA X ONE PLAT D/S 2/1 IN NEW SECTOR X RESERVE BN TO B"l COMMITTED ON DIV ORDER X .1"1\0NT LINE UNITS INSTALL AP CMA AT MINES UNDER SUPE!iVISION ENGRS WHEN WITHDRAWING X EXPEDITE TRUCK TURNAROUND X CONTACT LBFl' TO RT:;HT X bt!.IJI_R CP !!!JVES TO NE\~ LOCATION X

CO 1st MAR

8

DECLASSIFIED DECLASSIFIED Korean War Project USMC-04200020 ,----~------

_____ ,__ FRAG ORDER 2ll950K FOR 22 MAY X ALL UNITS CONTINUE TO IMPROVE DEFENSIVE PO.. SITIONS X 1/1 SEND STRONG PATROL TO HILL 658 TA 9884 AND TO SADDLE 615 TA 0085 X 2/1 SEND STRONG PATROL TO HILL 850 TA 9685 X 5/1 CONDUCT LIMITED PATROLS TO I'RONT AND nANKS ClolA INCLUDE SADDLE 415 TA 0578 X BT

CO 1ST l.IAR

To 1/1 2/1 5/1 AT CO 4.2 A CO TKS C CO ENGR 2/ll DR 1STMAR INFO 1STMARDIV KJIJ 5-7-11 MAR 222020K

THIS IS MY FRAG ORDER 221815K X 1STMARDIV ATKS TO THE NORTH ON 25 MAY X 5TH M AR ON RIGHT 7TH DIV ON LEFT X 2/ll CMA CO A lSTTKBN GilA 10 Q l.STENGRBN D/S 1STMAR X 1STMAR ON 25 MAYATKS IN ZONE TO SEIZE DIV OBJ A AND D ON ORDER X BOUNDARIES AND OBJECTIVES SEE OVERLAY CIIA LINE OF DEPARTURE PRESENT FRONT LINES CMA H HOUR 230800K X 1/l AT H Hot~- ATK IN Z~E JL~D SEIZE FEGT'L OBJ 2 CONTIWJE ATK ON REGT•L ORDER TO OBJ A X 2/l. ATH HOUR ATK IN ZONE AND SEIZE REGT'L OBJ ONE CONTINUE ATK ON REGT'L OPJlER TO OBJ ABLE X 4.2 MORTAR CO SPT ATK WITH 1 PLAT D/S F:ACH ASSUALT BN X 5/l IN REGT 1 L RES MOVE TO ASSEMBLY AREA AS DESIGNATED PhEPARED TO IMJVE SUCCESSIVE AREAS X PROTECT li.EGT 1L LEFT FLANK X C COENGRS EXERT !I~'.X F..FFORT COMMENCING AT DAWN 25 !!JI.Y TO CLEAR T.A_NES T!LRU JIT!!E FIELDS FOR ASSUALT BNS CIIA FIELDS NOT REMOVED TO BE ROPED OFF AND MARKED CMA THERE AFTER 1 PLAT D/S EACH ASSUALT BN X A CO TKS PLACE 1 PLAT D/S EACH ASSUALT BN CMA HEivlAINDER COMPAN-Y MOVE WITH RES BN X CONTACT LEn 'I'O RIGHTX U!IITS 'I'O TIE IN DUHING NIGHT DEFENSE IF PRACTICABLE OTHERWISE TIE AT PERIMETERS X CAUTION PE!lBONNRT. ON FRIENDLY BOOBY TRA_FS ltJID MINES X BT

CO 1ST MAR

To 1/1 2/1 5/l 4.2 A CO TKS ~/11 C CO ENGR DE lSTMAR INFO 1STY~F~IV 5TH 7TH & liTH REGT KMC 222240K

MY FRAG ORDER 221815 I. REFERENCE X CHANGE OBJ ABLE TO 0 WHERE APPEAcc X BT

CO 1ST MAR

To l/1

'i.tiiS IS MY FRAG OiillEh 2317GCrzC X lSTMAR CONi AT'n: TO OBJ OBOE X 1/l CONT AT!\ Ii~ ZONE AT 240800K AND SECURE 0BJ OBOE X PATF.OL TO 11\0NT AND RIGHT FLANK FROM OBOE X ~/l CONT ATK IN ZONE AT 240800K AND SECURE OBOE X PATROL TO FRONT AND LEFI' FLANK FROM OBOE X 5/1 MAINTAIN SECURITY LEFT FLANK GAlA PREPARE TO f&)VE TO VIC TA 9884 X ENGR CONTINUE TO SPT ASSULT BNS CMA AERIAL RCN BY ENGR CO AT 240900K X CO A T'z\S OliE PLATD/S 2/1 X 1ST~~ CP DISPLA~S TO TA 9985Y X

CO 1ST N'.AF.

To 1/1 ;;:fl 3/1 DE lSTMAP. INFO 4.2 2/11 5, 7, ll REGT AND lSTMARDIV KMC

THIS IS MY FRAG ORDER 241650K XOR 25 MAY X 1/1 PATROL TO HILL TA 0190 AND RECON PATROL TO HILL .LS TA 0489X ~/1 PATROL TO HIGH GRCUND TA 9791 ~ 3/1 SEND RECON PATilOL 'i'O TA 0286 X X BT ~------~ k' ~ 1 CO 1ST ~IAR l illl~~~~~~Ulf'U~.~·L_) 9· '

DECLASSIFIED DECLASSIFIED Korean War Project USMC-04200021

~ 1- \ I < • ,_,,,U,:·o ' . ~ To 1/1 ORAL 27 MAY 1951 ..:_~ __;, "~'~' , UPON ARRIVAL ASSEMBLY AREA EXECU'rE PATROL ACTION ON HIGH GROUND 'iiFST OF MSR X EN ~'ORCE.S AR~ IN AREA X JERIMIA HAS TAKEN 4 POW X

CO l.ST MAE

To 1/l 2/l ?:/1 4.2 CO AT CO H&S CO INFO lSTIAARDIV 5-7-llTH MAR KMC i\EGT

THIS IS M'l F!Jl.G O!iDER 2719iSOK X 1ST MAR IN PRESENT ASSEMBLY AF.EA EXECUTES PATROLS AS PER OVERLAY ATTACHED X UNITS SCREEN HIGH GROUND CMA DEFENSIVE INSTALLATION S CMA F'OE EN PERSUrU~EL AND MATffiiAL X ALL PATROLS RETURN PRIOR DARK X

CO 1ST MAR

To l/1 2/1 3/1 4.2 CO AT CO DE lST:IIAR INFOR DIV 5TH 7TH 11TH N!.AR KMC

FRAG ORDER 282145K FOR PATROLS 29 MAY X 1/l PATROL TO HILL 800 TA 1199 SEARCH OUT DRA7

CO 1ST MAR

To l/1 2/1 3/l DE lSTMAR 291805K

UNITS EXECUTE LOCAL SECURITY PATROLS 50 MAY X Vc'INDMILL ON ALERT TO MOVE BY TRUCK TO AREA TO BE ANNOUNCED X BT

CO 1ST !flAK

To 1/1 DE lSTMAR INFO lSTMAEDIV 502200K

ON 51 MAY PATROL TO HILL 595 TA 1597 AND TO VICINITY OF TA 1598U X BT

CO 1ST MAR

nm~1rr!n ~~~~nrf:n[f:rm I ~U\JI!::I)I.St.t\.I~I...~IJU______UL.=,I~ i!

DECLASSIFIED DECLASSIFIED Korean War Project USMC-04200022

Headquarters I [11[\-.-~ lst Battalion, lst Marines, lst Marine Division, ~tM[_ __ _ c/o Fleet Post Office, San F'rancisco, Calif,

51 ""-Y 1951

APpendL~ III to Historical Diary for Month of ~ 1951 Situation Overlays are as follows:

Situation Overlay 1 May 1951, situation Overlay 2-3 May 1951~ Situation Overlay 4 May 1951, situation Overlay 5-11 May 1951. situation Oveday 12 May 1951. Situation Overlay 13-17 May 1951, situation Overlay 18 May 1951= Situation Overlay 19-22 May 1951. situation Overlay 25-26 May 1951, situation OVerlay 26 May 1951. Situation Overlay 27-31 May 1951,

DECLASSIFIED DECLASSIFIED ,------...------,-..------Korean War Project USMC-04200023 ' .,

I f

5 June 1951

Appendix VI to Historical Diary for Month of May 1951

Photographs of bivouac area 15-17 May 1951 occupied by the 1st Battalion, lst Marines.

DECLASSIFIED