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CAF/Al6-3(l)

·Serial: 00707

OFFICE OF THE COM1iANDER .ALPniBIOUS FORCES, U. S. PACIFIC FLEET

SAN FRANCISCO, C:llFORNIA 07/gz

SECRET 23 September 1945

From: To

Commander .\mphibious Forces, U.S. racific Fleet. DIS'IRIBUTION LIST.

Subject: Adv.:: ... r1cc D:;:·aft of Cumf"hibsFac Operation Plan No. All-45.

l, Copies of subject plan are forwarded herewith far study and possible future reference. These copies contain only the aru1exes and appendices that were prepared pr:i or to 10 Au~ ... ust 1945.

2. The plc-cn in its entirety io; downgraclod to SECRET.

J)istribu ti on List: Cominch CNO CinCPac Naval War Cull.o ge Army Navy Staff College ~:arine ~.ichools

c & r, staff ~chool ANIS ComFhibTraJ' ac AdCor.tPhi bsPac Comdt Mar Corps

AUTI!LNTICA TED:

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W. C. MOTT , Corndr • , tiS NR , Flag Secretary.

(5) (5) (5) (2) (2) ( 2) (2) ( 2) ( 5) (_3) (l)

R. K. TURNER.

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COMMANDER TASK FORCE

FORTY

COMMANDER AMPHIBIOUS FORCES U.S. PACIFIC FLEET

OPERATION PLAN NO. Att.:45 (ADVANCE DRAFT)

CAUTION

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EVERY PRECAUTION MUST BE TAKEN TO PREVENT

THIS PLAN FROM FALLING INTO ENEMY HANDS.

IF CAPTURE OR LOSS OF SHIP IS IMMINENT

THIS PLAN WILL BE DESTROYED IN ITS ENTIRETY

'er SECRET lQ 208

J AUV .ANCED· DBAFT

w I Als-3( l) Berwt· ·ooo344

UNITED STATES PACIFIC FLEET, FIFTH FLEET

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T.F. 40, 41, Amphibious Force and ComPhibsPac

U.S.S. EL:OOR.AOO, Flagship

Qperatio!l. Plan ComP~ibiPac No. All-45

TASK ORG.AlHZATI01~ (Briefed. Detailed Task Organizati~n i!l. k:nex (:S))

At Sea 10 Aupet 1945

40 ,Anwhi"bious Force - .Admiral Tur!l.er (Se cond-i~-Command - Vice Admiral Wilki~son) ( Tr.ird-h-Co!:ll.:and - Vice Adoiral Barbey)

( a) For ce Flagsh1~ - ~DORADO - Captai~ ~i chenor l .AGC

( b ) 4C. H.J Air Suppor t Contro l Groun - Rear Admiral Pride

( c) 46

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(e) 43

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S:X?S Army - General K!"~e&er

Advanc e Fo,ce - Admiral Tur ner (Seccnd-in-Command- Vice Admiral Ol dendorf )

41.1 Underwat er Demolitio!l. Flotilla- Captain Rodgers

41. 2 Servi ce and Salvage Oro~ - Comnodore Hartley

41 . - ~ HYdrographic Suryey Group - Capt. Sanders

4 l. 3 ~RIRD Firo Support Gyoup - Rear Admiral Conoll y

.. ~1 . ~ ? I ?TH F~n: S1..l;DPCrt Grou;g - Rear .Admiral ilrig~t

·H . ? SEVE!ITE Fi ~e Su~port GroUP - Rear Admiral Kiland

42 West e; n At t ack Force - Rea r J\diniral Davis

4'' ..., Wes t or~ Firo Support Group

.~lt Sout~ern Att ack Force - Rear Adniral Briscoe

44.2 Southern Fire Support Qroup

( g) 54 ~~nfire and Covering Force - Vice Admiral 014endorf

( 10 ) 55

( ll) 56

Escort Carrier Force - Rear Admiral Durgin

Iline Force - Rear Admiral Sharp

TRIJU) Attack Force - Vice .Admiral Wilkinson

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OAF/AJ.~3(1) Serial.t 000344

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Operation Plan ComPhibsPt:'.C no. All-45 - - - - - - - - - - - - - - - - - -

F!FTH Attack Force - Vice Admiral Hill

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(f) 45

(g) 1':.7

(h) 48

SEVENTH Attack ForcQ. - Vic_e .Adm~ral Barbey

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Reserve Force - Rear .Ad8iral Eo~ers

48,2 Reserve Fire Support Groun

Reer~orcenent Force - Rear ~iral Struble

Screen G-roli,R - CoiDDOd.ore Hoo sb~er

40,12 Western Screen (under OTF 42) -

40,13 THIRD Screen ( uncier CTF 43) -

40.14 PENINSULA Screen ( undor CTF 48) -(When activated)(KAGOSHIMA WAN)

110,15 FIFTH Scroon (under CTF 45) -

11CJ,l7 SEVENTH Sc~een (under CTF 4?) -

40,18 Reserve Screen (under CTF 48) -

Pontoon Causeway Grouo - Condr. Plichta

Pgntoon Barge Grouo - Comdr . Plichta

.Area Sweeping Group -

Special Groups -(as assigned)

(o) -::0, 20 to Movement Groupe -·10,29 (as assigned) and ·11,21 t o -a.29

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.. CA:Fj Al6-3( l) Seriali OOOM4

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9Potat1oi1 P1an Co~hibsPac No. All-45

' 1. ( a ) This Operp.tiqn Plan is derived from Commander FI:F'rH Fleet Oper-at i on Plan Uo. 5-45.

(o ) For information of tho onemy, sec I ntelligence Plan, Annex (C) , a.1d current dispat chE:ls.

(c ) Soo Gene ral I nstructions f o r t ho Amphibious Phase of t ho Opera­t i ons , Aa~ex (A).

(i ) Fo r detai led Ta sk· Orga.~ization , Se e Annex (B ).

( c) For g e ner al direc tives f or tho employment of sh ips1 gunfire, see Ci n CP ac Co r.!. lotter 13Clr44; Phib sPnc Circ. letter No . ALl~ 44, Rov. 3; and, fo r t h is oporation, Navnl Gunfire Support Plan, ,\nr.ex (G) .

( f ) CotJL"il andor ? H TH Flee t has directed Com.ina.nder FAW-1 to establish a float ing s eaplane base i n N.AK.AKA.sHW UR.A, KOSHIKI RmTO, approxi_:: ~at e ly XRAY oinus ONE Day , to be mov od. to MI.AD WAN and N.l\GOGOSHDU '1-U~T l nt er. SoHrch sea:pl anea will b e operated as directed by Comm~ dor FIFTH Floot. .Anti-su bmarin e :pa t rol and air-soa rescue operEV­t i ons will be oper a t ed a s directed by Commander AmPhibious Force in p; e:-.er al accord wit~ .Air Sunnort Pl an Annex (H) . Commander FA,W-:1 \-rill O!Je rate under the loc~ SOFA i nso f ar as security,' l~gistics • n i r and sea defens e , a nd l ocal t r aff i c con trol a r e concerned. Sea­v lMe bas e a rea s ar.d rur.ways ar o shown in anchor age charts, llppen~ di x ( I ) to A.•1.M X (~1) •

2. ~is Force vill :

(a) Soi ze and o ccupy 'Jo<iChheM. s i!1 Sou t h err. KYUSHU a.r.d sei z-() cer­t a i n ou t l ying i s l Rnds;

( b) ?;n;, sport Elnd 'JGt :·'::J lish llB!10-:-o r c o;..for ceme r.ts and supplies;

(c ) Cover and s'..lppo r t t :w l a nd c anpni gn in KYUSRU;

( d) Aas iat i n est nblishing co nt r o l of t he sea and air in the ob­j ective ar~a;

( o ) In i t i ate th e c at : -tl li shmont i n KYUSHU o f naval base faciliti e s fo r t n c support o f sub s equent ope r a tions;

(f ) Route and control t h e movomont o f shipping outward from, and in, t ho object ive a.roa;

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CliFf Al~3( 1) Serial: 000344

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Oneration Plan ComPhibsPac }To. Al1_.:45

( g) Effect maximum attrition of enemy air, ground, and naval forces in thc _objective area.

3. (a) Fo~ce Fl~ship operate as directed by CTF 40. , ..

(b ) Air SuQnort Control Groyp ~ontrol aircraft in accordance ~th Air Support Plan, Annex (H). Allocate aircraft to the various fo rces for troop support and protection in their respective aroas of resp onsibility. Supervise and coordinate fighter coverj ~control ..i.ir-Sca Rescue; and direct operations of the Aircraft .Anti-Sub­:::etrine Patrols i n t he obj ective area. Control movements of air­c r aft in the objective aroa.

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( c:) SIXTH ArmY capture, occupy, and defend KOSHIICI Rm'ro and d.e­s ig~ated outlying islands to the south and southwest of KYUSHU beghlni ng XRAY minus FIVE Day; and capture, occupy and defend Southern KYUSEU beginning XRAY Day, in accordance with ComGen SIXTH Army Field Order 74. Est ablish as rapidly as possible early war ning and fighter direction sta tions on captured positions in accordance with Annex (H). When directed by their respective Attock Force CoiJI:landers, Landing Force Air Support Control Un.its assume control of troop support aircraft. When land-based aircraft aro established i n the objective area, and CinCPac has passed res-

. po:1si'b1lity for air operations to Ci nC.A]lla.c, pass control of Com­b at. Air Patrol and troop support air craft to ComGenFE.AF, ~d evac­'..late Landing Force Air Support Control Units to the PHll.IPPINES

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to r eport to C.ASCUPhibsPac . Arr~e with CV 40 for moving to ob-jecti ve area reserves and Jello~up Forces, a..'1Cl equipment, supplies, -and petroleum products required by forces ashore. ~8Jlge with

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CTF 40 for a s suming control, whon no l o:1ger required by TF_ 40 , of Navy landing boats, barges , causeways , and other harbor facilities to be supplie d t o SIXTH Army by Phib sPac ; a nd for the return of Navy crows to the MliRiliN.AS and OKTI\AWA t o report to ComPhibsPac by XRAY p lus FORTY Day.

(d) Advance Force begi nni ng on XJtAY minus EIGHT Day execute opera.-: tiona preliminary t o the KYUSHU assault landings in accordance with the f ollowing. At 0600 (I ) XRli.Y Day TF 41 is di ssolv_edi all ole- .. oonts then pass to TF 40 1 r et aining own 'force, group, and unit num­bers; except that TF 56 passos to com~and of Commander FIFTH Float•

(1) Underwater Demolition Flotilla carry out Beach Roconnaiss~e and Underwater Domoli tion Pla.n, .Annex (F), of tho assault beaches in accordance with schedule; assign grqups to the THIRD~ FI:?.rR, SEVENTH, Western and Reserve Fire s\mood Groups, p-assing to the corresponding Attack and Reserye Forcea on their arrival.

.. CA?/Al~3(l) Serial: 000344

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OPeration Pla,n Co~ibsPac No. AU-45

(2) Service and. SaJ.y~e Groy;g provide salvage, fire fighting, repair, and iogistic services in accordance. with Service and Salvage Plan, Appendix (II) to ~ex (N); assign Service and Salvage- Units to mllm• FIFTH, SEVENTH, and Western ]'ire Support -Grouos,·. passing to __ the corres.Pon9-ing .J.ttack Forces on thoir arrival in the objeotive area; and assign a Service ~d Slil.va.ge Unit tO Reserve Force upon 1 ts arrival in the obJ.ective area. assign craft as required to tho Southern Attack Force. Coordinate the logistic supply (including peroonnel) of TF' s , 40 and 56 while they are 1n tho obj octivo area, dealing d.irect-1;7 with ·eomServBOn TEN and; ComServRon SIX for moving logistic vessels to and from the area; and in accord with Logistic Plan, Annox (~).

( 3) Hydrop-aphic Swvey Grorz execute Ryd.rographic and Navig~ tional Aids Plan, Appendix 'III) to Annex (N), assigning units to the d.i rect control of the TRW, FIFTH, SEYENTR, Western and Reserve Fire Support Groups for executing appropriate parts of_ t h e plan, passing to tho corrospondil"~· Attac~ Forces and the Reserve Force on tl1eir arrival in the obj activo area.. Arrange for issue of required charts at the rear bases and in the objoctivo area t o vessels and port directors.

( 4) THIRD Fire Su,pport Gro\W, ( 5) li'IF1'n Fire Support Group, ( 6) SFI'.Er.fli! .Fire Support-·G;oy.p, ( 7a)Wes t ·er :-1 Fi:-e Support Group in area of responsibility as Ahcnm. 1n Appendix C..n.I) to Annex (D):

~ From XRAY minus EIGHT to 0600 (I) XBAY Dey for THIRD, FIFTH, and SEVENTH Firo Su;p;p_ort Groups and_ from nAY minus EIGHT to 0600 (I) XRAY minus FIVE for West em Fire SJ.mport ~: control assigned aircr-aft for support and protection; stat ion radar pickets i n accordance with Screening Plan, .Appendix (II) to Annox (K); diroct and support Minesweepin€ and UDT oporations; destroy enemy troops, gun emplacements, defensive i nstallation-s, locally based ai_rcra.ft, submarine~, and Sl:lall craft; interrtlPt enemy troop movements and defen­sive prepara tions by interdiction and har~ssing fires by

- Naval gunfire and assigned aircraft,. in accordance with· Naval Gunfire Support Plan, .Annex (G), Air Suflport Plan, Annex _(H), Mj,nes,'leep~ Plan, Annex (E) · L¥1d :Beach Recon.n--: aiBsa.nce and Underwater Demolition .?J..an, Annex (F) •

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C};Fj Al~3(1) Serial: 000344

Operation P1an Coz:lPhibsPac No. All-45

Wnt!wn Fire Support Gro'lW. :report to CT7 42 at 0600 (I) on XRAY minu.a JIVE Dey until no longer required thon pro­coe'i ae <tlreot&d by CTJ' 41. TRIRD· Fii'rH, and SEV'El-."TH · firt Suppaxt Groypt paes to control of CJr7 43, 45, a.."ld 47, respectivoly, at 0600(I) XRAY D~.

~ Uoutrelho or destroy onoey installations in forco aroae which ~ illterfore with approach of friendly forces arriv-1 n& aft or XRAY Nnu.e EI GH'l' Day.

~ Prior to roportin& to Tnak Jorco CoCDandors 1 Cono.a.ndors

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of firo Support Gxpypa act a.s SOPA o! a.asi.gnod e..reaa , ( h- A cop t thAt Co t:=.AlXi er ll1'TR l'1r o Suppa rt Orolu;l will coo rd 1n- W t1to tho acth1tioa or Co:::.::lAni~ Wutoro· l1ro Su;wort <!rOlm); control air and n val oporat1ont and novooonta 1n the forco area.. r.o t und.r. wparior authority; aupport nearby friond.ly !orcta ; control looal air re.i.d al.orte ; arrange l ogiat1ce , rapa1r , ar.d aal"'"€0 of ovn G-roup ; offoct eo& reacue ; tmd C<Xl rd1na.te G-roup act lor:. 1r:. !orco aroaa.

A,. 1"l"': ~.l'!' :lir.ua IIGRl' to IF .. i.Y cir:us em% ~ raport ~a.!ly by d1~Hltch a. of UOO( I) «ll'..d 2,...00 (I) to Co::JIITH Tloot v1th 1 :: ~r-rt:t\ t1or. t o C1r.CA1'Pac , CinCPac , a..'\11 i"iFTH Y:e>cl , (ICM r.J)ldc:-1 or:.ly ) a..a to O.ach , ooa , and WGI\t.hor 1:1-rn-...at1 or:; t !-.o J'l"Of;l"""II o ! p roec rlbed r.IIYfLl opcn-l'\t1.ont ; tl.P..d ~ o .-.U to c ! r.a-r r\l ll."ld &1 r o pOT a t.1 on 1 ~ n 1 t tho on.G!"ti.

:Ut •n...r. roporta• of crvor.te of e:uch ioportanco that 1::ood1ato r-~1or1ty l"Gpprthil! 11 roqu1TOd..

• ~.1 ~~ API) I I . "t: r.oon o f 7:J'.l'! r ... 1rrue rrn Dft;Y doliYor t o Co~Ando:-a Vtat0rn ·~t~k lorco ~~ §Quthorn ~tnck ZQr cg n... "1:1 V:. At t n.d~ ~ ':' rn rua ro-: n...'"ld ':' rn :-.aD 1 v Co !:i:lA!ld or • , t h o !ollov1~:

hlo,ud a.lr and cr: :r- fa.ce ph.ot.o~h1c prlnt e o f bonchoo end rolatod. ddor.aoe.

lin-11t:-at1ooo.l. 1n!ol'"!X\ t 1on "-·1 ch d1 f! GT e !roc chJ\rt o; o.nd loc.nt1on• o! OOoya leid.

1'roop l1o.i10n o!ficora atto.ched to UDTe , ftnd UlYI' offi-cora aa available, with chArt• snd doec r1pt1ona of boo.c.hoo , appro ache 1 , and dot em ee • ·

1• By noon of lllAl a1ma OHI Day deliver to CoiJI:lB.ndoro ~. m. and @tmg .tttn.gk lPrcea. and attached Cor:Elandere of ~-Port Oroqpe. !ranero'ns , and Transdiva , tor their ovn areae and beaohe•• dmila:r information,

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CAF/Al~3(1) Ser i aJ. : 000344

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Oneration .Plan CooPhibsPac no. All-45

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personnel, a.nd data listed. in subparagr~ (e) • ..

~Report to Cll~e . 43, 45, 47, and 42 , respec~ively, on arrival thoso coDI:la.ndere in the transport areas.

h· FrFT_g i'ix:e Sypport Gro:J.W 'tfhon dirootod about XRAY plus ONE or XRAY plus TWO Dny, turn over duties t o CTF 45 a.Tld r eport t o CT7 40 with group nu:cbor 48. 2 for oaking preparat i ons o! !AIMDNDAK! Beaches f o r t h o landi ng of troops of TF 48, sicil nr t o t ho sb sp ocified i n t h i s aubparft€!"aph 3( d )( 5 ) • Repo rt f or duty to CTJ 48 on hie arr1·nu i r. th.e trt>.r.sport aroa about XRAY p lus THRl!m or IP..&r plus F'Jl1l Day.

(7 ) 'ioo)Or,a ~tn.ck ?9rsr1 bo~1r.ni~ on A?A'!. oinus FrYE Day c ~- t '.ll" o w 1 cmrro • roSALU I SH nu., rom SH IM.A . and ro CH nro­!?..A3'.: SHDU; &.d bOt,.-rir:.1n& XJLU oinua roUR Day capt ure !DSHIX.I P.r;:'Q . !etLbl1 ah a tcr!pOrer,y logi atica ar.chor~e and a 1 in1t o<! aoeq .ll.l'.c ba.ao 1r. !DS:~W Jilr:Wro ; a:-A <!iroct t h6 1natallat 1on e.t r_:: s-r:!D ?.1':":'0 o! p r o t&etivo nots by a tao t G-roup of T1 06. 1:-. tul • f t. !-.o CCf-~ .lTod alftr..de d iruct the inet nllation of air vr~:-:-. ~:--l l <f.lllidrcr.e a:.d !1~tor di -:-ector atat i ona i.n accord.n:'.co ..r..t ::: Air 5-.:pr-ort ? ll\:'. , .Au..~ar ( H) . Zetnbl1nh tO SRIXI Rm"ro S -:-oc:: 1r. a.c,.. o:-".'\.:'.c- o '1ft th Scroo::bc Plar. , Appondix (II ) to k.~.c x ( I ) . .l!to~ Ctlfturo o f tr.o po e it to;.u , ro l oftod troops ro-• o r..a o-:1 '::>,;r Co:ra:-..11 :-.,.-: ~a:-al §mP. An:;,y fro~ tho d.o!on eoe , Mc1 !" b ~~TO t ~.O:: r·.l ~ tf t no ob j oc tiYO aron IU diroctod by C'711() f or ,._. e1f' :-.:l0nt t c A~.y 'D,aorYo. A!tttr tho captu:-o o! ARlAD YAl.i M d rJXSi!DU VJ.E t rt.:. af<rr 1\:".d. ~ rf1.t;o f~ 111 t 1oa , aoaplane bnao , n:-.<! :-..t1t1 t<> po 11tt 1~. a lato:- t c. bo .-poci.f iod. IJT7 4a act l\.f SOP.!, I!JSHIZ.I Rr.':\'J . &!b:-.1t c1G.1lf c1turpatch reporte · e~Uar t o tho se If .. oct nod 1:-. 1a1 br nr~::-="'\ph 3( c1 H .•,) ~

( 8} ~:; tMrr. At) !'>k 1orco, 1:-. tho OIIi..&lfA arua l>&i;1nn 1.r.f; XRAY :.11.u~ Tin Da./ bo propared t o capturo ( 1! or<1crod) northern ':'.uo:t}A BHDU for J"'.U'l>>IOI o f ~outrul1nt1 one ; nr.d , ln the ob­joct1vo area XRlr p lue THREI Dn] bo prupnrod to l nnd i n 8Upport o! §IttR Am1 ae nQ;y bo ord.erod. Suboit IJT'Ocial dupat ch r &­porta , whon 1n<Ucnt~ , e1!l1lnr t o thoeo apec1f1od t n oubpnr o.­t-:-t"ftPh 3( d)( •a) ~

(9) Gunt1ro Md Cszvoriru; lor co aaaign t o ~. ZJ.111!, 5m'ENTH, Yo1t arn. 6outhorn and Rotpryo :Firo Support Gr?\1120 veaoola for axocut 1ng ahore bocbardment and gunfire eupport . ae required b y llnval Oun!iro Support Pl8n, Annex (G). Protoct 'rJ 40 and 41 unit 1 -near the objective against surface atte.ok in accordance with Protoct1To Plana, Annex (K) . When transports oalce night retirements deploy groupe nightly, vith units not required for n18ht !ire 8'Upport duty, to the no'rthvard of respective Attack

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QpQ;r f..tJ.P. n..l'liYl r:owJ?~·.iiJ s? ... -~.e lloe All-45 .. - - - - - - - - - - - -

loroes. When transports do not retire, ships not required for night "fire support anchor i~ tranSport areas under snake cover. For nrovidinci gunfire support, organize as i~iicatod in Annex (G)~ or as- otherwise directed by CTF ~~. -~~ate destroyers wtth Screening Gl'oup and Escort Carrier Forco as directed.

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(19) Escort ·carrier· Fo.rce mter arrival at the objective provide support aircraft~ CAP, and ASW aircraft in accordance with AJ.r Support Plan, Annex (H). Operate ~ areas S~IB:BS, IO~ENT, LISTER.INll and PEPSODEN'l' sho~m in Appendix (III) to .Annex (D), with approxinately one-third of the car~iors to the westuard a.nd twa-.:thirds to the east\·rard. Rotate destroyers with Screen-iru:; Group and Gunfire and Covering Force as directed. '

(11) Mine Force, con"Jencing XRAY ninue ln:GET Day, execute Mine sweeping, Mooring :Buoy and Net Plan, .Annex (i}, assigning 8\'leop units to Fire Support Group Cormanders for loc8.:1. direction. Arrange for air and gunfire support with Cooma.nder of area of responsibility in which sweeping is to talco place. Send daily despatch as of .2000( I) to CTF 40 or 41, infornation to CinCPac, ConFIFI'HFleet ~ and FIFTH Fleet (:ECM holders) of progress of sweepi:J€ operations. At 0600 ( I) XRAY Day TF 56 pass to CO I!ll:)and of ConFIFl'EFleot, but continue to provide an Area Sweeping Group as required by CTF ~~ for the general objective area ; and l ocal sweeping \L'1its for t h e v arious Attack Forces.

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(e) 43 THlJU) At t&g F2roe (f) 45 FIFTH Attack Force C:) 47 SEVENTH Attack F9rca_ on ARAY Dey land TZIBD, FIFTH, and SEVEllTH Lending Forces on designated boachos on southeast, \ofest, Qnd oast coasts respectively o! KYUSEU, in accordance with re spec­tive Attack Force Plnns and SIXTH Arml Field Order 74. Assume conoral charge· of aophibious a~d associated operations in, and SOPA of, respective Attack Force aroas of responsibility as shown in .Appendix (III) to ~mex (D), and in general accord wtth the provisions of paragraph 9 (b)~ (c), and (d), Annex (A) • . Other_~Lnexes to t :1is OpPlan govern the nethods of execution of tasks. Assault shipping transporting Divisions .in Corps R.es.ervo arrive in. rospec­t .ive .transport areas at 0800( I) on XRAY plus TWO D~ prepared to land according to ·plan or as directed. Cotmander THPU) Attack FQrCQ debark troops~ equipnent~ and supplies as rapidly as possible fron Transron 20 and .).0 LSTs and sail thei!l to the PHILIPPINES on

_ ord-er of OTF 40 to erabark the Reenforcement For.ce. Send daily des-

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OQ I .AJ..6...:3( 1) Sari al: 000344

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Operation Plan ConPhibsPo.c No. All-45

patch a s of 1200(I) and 2400(I) to ConFIFTHFleet, inforoation to CinCPac, CinOAFPac and FI:r.t'H Fleet, (ECM holders only), sinilar to those specified i n paragraph 3(d)(4)~

(h) Rcserye Force act as SIXT.K Aray floating r eserve for supporting l andings on. KYUSHU. Uhless .directed otherwise, Reserve Force less shippbg carrying the 77th Arcy Divis ion depart OKINAWA in. tine-·to arrive off KAIMOND.AJO!I :Beaches by 0700( I) XR.Al" plus THREE,- prepared to 18J.1d in accordance--with Reserve Forc9 Plans and SIXTH Amy Field Order 74. Aasune gonerill chargo of anphibious a.nd __ associated o~ ern.tions in and SOPA of, the lteseffie Fo.:ce area: of responsibil:J:. t;y shovm in 1Jppe:1dix (III) to Annex D). Shipping carrying 77th Arr:ry Division depart OKINAWA for objective area on or ders fron CTF 40, prepared to land to reenforce designated elooents of SIXTH Argy. ~ro~1 CTG 41. 5 (later CTG 4Be2) cont rol the operations of assigned Re§orvo Fire Support Group ( including aircraft) delivering support­i P-t; fire in KAOONDAKE Aron begi n..'"ling at 0600( I) on dey designated , fo r landing. Co::1.trol t he oporRtions of assigned Undontater Donoli­'tiol Unit subsequent t o arrival of transport s in the transport aroa, P~~ coopl ote clcara::1.ce of beach obstacl es as necessary. Control t ho operat ions of Servic e a..-rrl Salvage Unit assigned for providing ,, sal vo.go ·fire-fight i n£ and ropair services in acco r d.ance with hp-pon­di.x (II) to Annex (11) . Er.erute Scroo:1ing Plana, Appendix (II) to k-_~_o.:-.:. (K). Cor:tro l t .: e oper at ions of l-1inesweeping Unit assigned for clear ance sweopiro€; of transport area. When directed procood t o IUGOSHIMA WA..~ and assuno dutie s SOFA in that area.

( i) Rosmforcenent For co upon arrival of Transport Squadron TWENTY Q~d ton LSTs at l oading po i nts i n PHILIPP!NES, eobark troops and ~ov o to objective who:1 directed by CTF 10, prepared t o l and in nssnult or reonfor ceuent as di roctod.

(j) Screen Group pr o tect vossola insido the screen s agai r.st air, crubneri ne, and aurf~~e attack. Est ablish transport screens, killer groups , radar pickets, anti-snall craft screens and radar countor­oonsuroe screens i n accord.a.nce \lith Screeni ng Plana, Appendix (II) to Annex (K). When directed, supply r oenforceuents to Gunfire and Covering lorce for action against the onaoy. Transfer veeeol s bo~ween tho v~rious Screening Groups a~d direct tho gonornl opor~ , tiona of those Unite, leavL~g esoent ial local cont rol to the Connan­dora of Atta¢k and Reserve Forces. Provide escorts for outward bound convoys.

(k) Ponron OausowaY Group place causmtays as required by Appen­d~ (IV to .Annex (lT), as bodifiod by Attack. Force and Reserve--Force Coananders. Give goneral supervision to the initial iDprova-

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(1) Pontoon Ba rge Group oper~te pontoon barges i n units under the Counandora of Attack Forc~s and the Reserve Fo;-ce as required for unloading ass&.llt and. f .o:low-up shipping. When directed by CTF 40, t ransfer equipnent to tho 3~ Arpy and to Naval ~as~s· as required by .Appendix (IV) to .\nne:: (N)o About XRJ;:I plus mRTY,· evacuate personnel to tho l.t'.RIANAD and OKINAWA .to roport to ConPhibsPac.

(n) Area Swoep;1.Jl6 Group oxocuto general swooping tasks in the ob­ject ive a rea as diroctod by CTF 40. Exchange vessels with the Mine ~ as required- by CTF 56 .•

( n) Snocial G:-o'J.D'1 ( ·. r~ 1en famed) operate as dirocton by CTF -10.

(o) MQ..yonoc~ 9.r::t~<..l·. r when fornod) p r oceed to or froo objective as roquiro'l by l'o·rr· -r·: t Plar. , CooPh ibsPac OpOrdor Al~45, Annex (D); n:-£. n.s d:. rc tJ :C. ·; · .,o :: <-i<\1 no·,ene:1t orders issued by CTF 40 froo tiuo t o ·,;~·· ·)~

' (x) (1) This Plan '«it h 'Annexes is effective upon receipt for plann-i :.:, traini~ , ar.~ joveoont to assoobly aroas, r6hearsal, - and o~o•~iTe er6Ue Tho TASl: O'M.liJ'Iz..Al'IOIT, and operations pl'o~ cribed, aro effective on arrival in the objective area.

(~) Carry out tho oporations p ro scribed in this Pla~ in general acco rdance with An!-,ox (A).

(3) Move to positions for oxecuting this plan in accordnnco \dth Movenont Plan,Schodulo, Annox (F). Nato the differences bot\.ieen the Task Organizations of the Main Plan and tho Move­nont Plan.

( ·~ ) Except in enorgency , PClC(R) assign.od to Attack Forcoa will not be eoployed for beach evacuation operations, but will be reserved for sea rescue.

( 5) i'lhen danger froo eneny attack exists, ships shall euploy spoe4 and oanouvorability as defensive oeas~a against bonb, torpedo, suicide, or gun attack. (Attention is directed to AlPac 8 and td Col!IPhibsPac Secret Serials 0061 and 0067 of 4 and o February, 1945 respectively). To this end. unless tho

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SOPA has d.eteroined that other defensive neasu.res warrant anchoring, all conbatant vessels of destroyer or larger size will naintain appropriate speed except:

~· In Energency;

Q. Whon refueling or rearning 8akes it infeasible;

£• During delivery of close supporting fires, by vessels i!l the boat lanes, while boats are yassing. In this case, ships clear the boat lanes as soon a.fter landings as is safe to do so.

( 6) Large gunfire ships, except when operating inside the Tran~ port Screen , will at all tioos be provided with a suitable screen of vessels ~ich are not t henselvos delivering f ire ~

ct;ninst shore po sitions.

( 7) Conduct Nibht Operations and Retireoe!lts ~t discretion i n accordance wit~l Annex (K).

( 8) SOFA nnd other off icers directi:v; noveoonts keep all Task F0rces i~ t~ KYUSHU Aroa inforood as to projected oovooe!lts.

(9) Destroy of drive off eneoy forces which attacpt.to i nter­fore with the ooveoent to, or operntions at, the objoctive.

( 10) Operate , ur.less o thenriso eli r ected, t;encrally in t he areas a."lown in Annex (D).

(11) Danoged ships in danger of sinkinG will beac~, if necessary, i~ shoal wator off e st~blished beachheads, provided such action will not pernit tl":oo to fall i nto onooy hands.

(12) Operating areas, po ints, shipp ing routes, and fueling ar eas in the vicinity of the objective are as shown in App endices to Movenent Plan , Annex (D).

( 13) Vessels and. ai r craft equip for &lake and, when directed, lay anoka i n accordance with Snoke Plans.

(14) Se~lanes sighted n~ nornally be considered. "ttiondly " but it should be borne in nind that aone aneny seaplanes are "Suiciders". Friendly and eneny ,plane~ which ney · operate at the objective are shown in panphlet distributed separately.

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,:; : : a t ion Plan · . . . ·.-hibsPac No • .AJ..l-45

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(15) USF lOB, \rlth Anphibious Force Supplenent, is effective. Conduct training exercises of ships and aircraft at every opportunity.

(16) Init iate harbor developuonts as early as practicable, but not in guch a na~~or as to interfere with conbat operations~ or t he unloading of assault troops.

(17) Provide for s ecurity, conoand, unloading troops and cargo, and harbor service at objective i n general accord with ~~ex (N), rurl Unloading Pl ans for Assault Forces issued bY Attack ~ Cor::rr.-:a.nders.

(18) It is expected that one or two APA's, after debarking troops, will renain in the THIRD, FIFTH and SEVENTH Attack ~ Areas for rocei ving survivors fron sunken vessels, a.11d wou:1ded f-ro n ships and shore during the absence of hospital shi p s.

(19 ) Po stal p orson!'.e l will bo onbarked in designated LSTs p rior t o t he operntior. . f o r tho cotablislment of tenporary float post offices with each najor Attack Force.

(20) LS'l'(li) a.1d casualty ovacuc.tion ships. a s designated, have beun ns s i gnod to each Qajor Attack Fb rco and will operate as p rescribed in t :1e Hodica.l and Casualty »vacuation Pl an, Annex (H) .

( 21 ) Three po int s of origin will b e used as reference points f or cont ac t r~orts (oithor r ad.Rr, sonar or visual) with uni­de!1tif1ed a ir, suboarine or surface craft in the KTITSHU a.r oa, 1r. r{; enornl acco rd with the following :

~ For all b h 1b1ous Forces i n the objoctiye aroo. on ?en­oral wa.rnint; and control note - a single pcrint HISAKI ~Lat. 31-1?, ' Long. 131-Q? ) Voico code nane Point "LLMA".

)2_. For THIRD Attack Force - on gonoral warning and control nets -- a. single point HISAKI (Lat. 31Yl7, Long. 131-07). Voice code nalile Point "LOMA".

· ~· For FIF'l'H At tack Force and Western Attack Force on loceJ. warni ng and control nets _: a single local point KUTA SHIMA (Lat. 31-33, Long. 1~1~). Voice code ~ana -Point "SEATTLE"•

~ For SEVENTH Attack Force on local warning and control nets ~ a single local point TOZOKI F~A Lighthouse (Lat. 31-47, Long. 131-29) Voice code nBl:le Point ~EQOKLYNn.

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Operation Plan OonPhibsPac No • .AJ.l-45

~ • . Vessels in dispogitions nore than 25 niles froo one of the above three reference points will report · radar con­tacts to their OTO ih accordance with USF..:lo~. If the OTO decides to transnit ~unnaries of plots of eneoy po~itionb •o stations outside hiP disposition, he will, at discretion, transnit then either in latitude and longitude coordinates, or in bearing and distance fron Point "LOMA"! The grid systel!l or latitude and longitude navr be used in reporting distant contacts.

i. Except for ships in dispositions over 25 niles fron reference points, all stations in .the objective area trans­nitting contact reports will clea:-ly state in their initial report the point of origin of polar coordinates used: for exacple, after giving bearing and distance, say .~fron Point- "I.OMA", or 11 from ORIGINM.'O!", or "fran Point SEA!l'TLE"• See Annex (I) for deta ils.

(22)Task Force CoiJDanders ahaJ.l take neasures to prevent attacks on friendly subnartnes. Attention of all units is directed . to CinCPOA Standard Operating Procedure SOP-1 of 15 £eptember 1944, Addendun 10 thereto, and current CinCPOA Zone Notices. Ai!"rSea Rescue Procedure is prescribed i n CincPOA Standard Operating Procoduro SOP- 2A and Addondun 2 to SOP-2A a~ Annex (H) of this plan. The Senior Officer of coobatant air or sur­face units west of 156° Ea.st Longitude, shail make certain t~t vessels have in their possoseion either the latost affec­t i ve addendun to CinCPOA SOP-1, or pertinent information thereto.

( 23)Instructions fo r operations duri ng heavy weather at the .. objec tive are ·contained in Annex (U). The on.rliest possible

infor oation of indi cations of heavy weather is vital to safe operat i ons. Any t nsk group, ships, or a ircraft not in coopany w1 t h Coonander .llgphibioue Force shall broak radio silence and. report by operational priority despatch indica tions of winds ot heavy gale force , heavy swells, or 1_ncipi~nt atoms which may affect the area of operations, unless such violation of r adio silence jeopardi zes the operations in progress.

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( 24)Connanding Officei:e. will ensure that all personnel not needed. at oxposOd stations &hall t ake shelter d.uring air rRid.e and surface battle. ·

(25)Conserve fuel. The operation requires large quantities of fuel and the availability of fleet oUers is· linited. Izt es­tablishing speeds to 'be naintained and in prescribing en­gineering conditions to be employed, conservation of fuel, as

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~ ·.":Jration Plan r:rJ;.J.PhibsPe.c No. All-45

1vell as the r:rllitary situa.t.ion sha!J: be considered. When north of OKINAWA, vess.ela having na.ximu.r:l speeds of less than 15 knots, should. be required to' hB.ve full 'bO'iler :power on twenty ninutes notice, and, if -~chored~ be ~repared day ~ night to get unde_rwB\{ within thirty oinutes• Vessels having n~ speeds above 15 knots are authorized, unless otherwise directed by superior coooanders, to opor~te at 3/4 boiler powor foT the sake of econony and upkeep of boilers or other machinery, and for the conservation of fuel.

(26)The Officer in Tactical Connand of ships in ,c.oi:Ipa.ny, or the ConrJanding Officers of ships proceeding singl;'){, shall ut~lize opportunities for ships to fire surface, anti-aircraft, and aerial gunnery, and bonbing practices as a r outine natter on entry and sortie froo Forward Area Bases and at such other tines as the tactical and strategic · situation' pernits.

(27)Voseels unloading or engaged in logistics i n the objective area at n~ht cay burn only essential lights, but these oust 'be capable of being extinguished.. on short notice.

(28) If it becooes necessary to postpone XRAY Day b.eca:use of weather 'tilich is unfavorable for landing oper::J.tions or for the initial carrier strikes or for any otheT reason, Concander 5th Fleet will inforo all forces by despatch giving the calendar d.ate , east longitude date, of the new XRAY Day. If such a change is oad.e , all surface task forces, groups, and· units shall dolay their departure froo port or retire along their previou s track as circunstances require, refuel if advisable and P!ac­ticable, and take up the oovaoont towards the objective on the prescribed schedule bnsod upon tho new DAY Dl\)', and prior there­to, shall conforn as practicable to the new XBAY Day prescribed.

4 . Lobistics in accordance with logistics Plan, .Annex (L). All largo 1 vessels. inclu~ng transports and LST 1 s be prepared to fuel destroyers

and soa.lJ;er vessels. All CVE' s and Firo Support Shipe except battl&­ships be prepared to replenish m:n:nmit ion and stores at sea froo AE' a and JUC!1 e~ Ships directed t o roturn to rear bases be prepared to trans­for t o othor vessels before departure as ouch fuel, aocunition, provis­ions, and snoke equipment as practicable. Medical services in accord_: ance w1 th &max (M). Force and Group Conna.ndors naintain accurate daily inforoation as t o the logistic situation in their vessels, and arrange direct with local SOFA for required logistics, submitting r~ ~.ate well in advance of_ reconnended. raplenis~ent dat~s. Local SOPA1)s suboit -d..aiihy ·logistic reports to Comoander .Amphibious Force and Connan­dar Service and SaJ.yage Groun a.s shown in Logistic Plan, A:mox (L) •

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.ADV .ANCE .DRAFT . -

Co!:!Dander Sertice and ·Salv~e Grou:p subnit logis.tic rep.ort s as · required by ConSorvRon 10, Coo5.erv:Roli s. and ::CTF .40.

5. (a) CollDUilications in accordance wit h PAC-70(::8) ; · and a ttendant publications, Oomandor FIFTH Fleet OpPlan 5-45, and Annex ( I ) to this OpPlan.

:ae prepared to use MIRSIGS wl.1en so required, as vheri XAP1 s a.Tld XliX ' e are in a disposition. :Battle connunication plans will be used for rehearsals insofar as radio silence r equirements pernit. Subsidiary coru~ication plans will nornally become effective whe~ ) operation orders becooe effective and should be eo written. Atten­tion is invited to the neceseity . for naintaining connunication dis­c i p line, as directed in JJ..:p)£ 50 and PAC-70(:13) ; and: of· naintaini~ r~~io discipline on all circuits. Comnandars of Units and Connan­ding Officers wil l exercise nost careful supervision of TBS and o t~:or voice circuits t o elininate iopropet" and unnecessary trana­:Jis s ions, a.'1.d will establish effective noni tori!lf!: systeMs for this ~urpose. Maint a i n radio silence i n accordance with provisions of PAC-70 (:13) and Annox (I) of this plan. Aophibious Force vessels ru1d o~barked troop s nainta:ln coopleto radio silence on frequencies loss ban 40 n oc acycl e s fra n tine of depa rtu re f ran final staging points '..1..-:t il r n.di o s ilence i s lif ted close to tho fi nal ob jective, except ns r equi r ed by eneny cont act or disa strous en orgency , and with t ho f urt!lor excepti on tho t vo ss els no t equipped with Tl3S, or MBF n ay 'lao SCR, MAll, o r Mll equipnon t as requ ired for e.as ontial tactical co~~ icat1ons duri~ l ow visib i l ity. Make nini~ use of TBS and ossor.t i nl VEE o.i rc r a:ft nnd t actic al c ircuits, and use only when visunl will P~ t suff i ce. Tra i n t ho r ouGhly in use of NAN equipnent, as t.'-lis has p rov ed nest u seful f o r n ight s it;nalli-ng. While 1n PHILIPP I NES, UL I THI, M.AAIAN.AS nnd RYUKUS :Ba ses , Force Connanders cru0orviae dispatch coDLruni cations t o p r event di sclo sure of p ros­~ oct ive opor nt i ons b y enooy an~ysi s of our radio trnffic. Dis­;Jntchos of suff i cient ioportanco t o warrant- tl'."'.nsnission by radio ~ b o cleared t hra\J.Eh t h e SOPA, s ont a shoro by bo a t, VHl' Radio Telet ype, or VHF l~CW circuits and f ilod nt the local rru:lio stP,tion. This traffic must be held to an ab solute n inLJUD nnd should be of low precedence unless of t h e r-es t inportant character.

(b) Uso Zone ZEBRA ( GCT) Tine in Da to Tine G-roupe of all CODI.l)llliCa,-.: tion a oxcept visual and radio sig nals to or _ _within gTOund forces on shore. Wh.on tiu o is used in t he body of despatches or in corres­pondo~ce, include the appTOpri at e zone description letter. :Bot~een 157° - 30 1 East und 139~-East, use Zone Minus lO(K) tine for locaJ. ·tino. West of longitude 139° East, use Zone Minus 9(1 ) tine for local tine.

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Operation Plan CooPhib sPac No. All-45

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(c) Connander .Atlphibiou.s Foraa, Connanding Gen~al SIXTl! Amy, and ConBander Air. Sy,pport Control GroUT? in EI:JX)RADO; Second in Connand kmhibiou.s Force and Connand.er THIIW Attack Force in MT. OLYMPUS; Third in Conna.nd Amohibious Force and Connander Sl!lVENTR Attack Force in ANCON. ~

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R. K. TURNER, Ad.uiral, u.s. Navy,

Connandor TF 40 and 41, Aophibious Foree and ConPhibsPa.c.

Annexes:

(A) General I nstruction s fo r the Anphibio.us Phase of the operati ons for t he C[l)) turo of tho Southern Portion· of KYUSHt' •

(B) Ta sk f'r gnnlz~tion (De taHed~. (C) Int elligence Pla~ (D) !>bvo'-lont Plan ( Al2-45). (E) lfuesweepi~, ~foorirlb Buoy and Not Plan. ( F) 'Ben.ch Reconnaissance and Under\-ti'.ter Denol i tior. Plan. · (G) !!aval Gunfire Support Pla'l. ( E) Air Support Pl an. ( I) Cououn ication Pl an. (J) I nconi nt; nn.d. Dep.:'.rt i ng Convoy -lnlltr,uUe~;. (K) Protective Plans . (L ) Log istics Pl an. ( H) Hodi cal a.nd Co.aUD.l ty Evacu.8.t ion Plan. (ll') SOPA I nstructi ons. (0) Public Infor nation Plo.n, (P) Adnini~trativo Annex.

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