• • • • • • • • • • • • • • • • • • • • • I

V-f/V COMMANDER TASK FORCE

FIFTY-ONE

»MMANDER AMPHIBIOUS FORCES U.S. PACIFIC FLEET

OPERATION PLAN NO. A25-44

A,

PREVENT INTO ENEMY HANDS.

TURE OR LO, SHIP IS IMMINENT THfS PLAI\ BE DESTROYED IN ITS ENTIRETY.

changed to

1 5 MAP 1945

by authority of AC of S, G-2, WDGS

RAY M STROT|?E JLstLtlnf Aft't Coetodiin

CAF/A16-3/1

OFFICE OF AMPHIBIOUS FORCES,"V.3? PACIFIC FLEET

SAN FRANCISCO, CALIFORNIA

Serial: 0191

22 April 1945

From: Commander .Amphibious Forces, U. S. Pacific Fleet. To : All Commands Designated As Holders Of ComPhibsPac

OpPlan A25-44.

Subject: Dov/ngrading of ComPhibsPac OpPlan. A25-44* •

Reference: (a) ComPhibsPac Top Secret Serial 00300 of 27 December 1944.

1. Before downgrading subject OpPlan to confidential re­move Appendix 7 to Annex (I) and destroy by burning, "

R. K. TURNER.

AUTHENTICATED:

A W. C. MOTT, Commander, USNR, Flag Secretary,

Distribution:

Same as ComPhibsPac OpPlan A25-44.

OFFICE 0# THE CORIANDER AMPHIBIOUS FORCES, U.S. PACIFIC FLEET

CAF/A16-3(1) SAN FRANCISCO, CALIFORNIA 05/Re

Serial: 000300

27 December 1944.

Commander Amphibious Forces, U. S* Pacific Fleet, All Commands Designated as Holders of ComPhibsPac OpPlan No. A25-44.

Subject: ComPhibsPac OpPlan No. A25-44; forwarding of,

Reference: (a) PacFlt Conf. Ltr, 1CT/-45 dated 1 January 1945*

Subject plan is forwarded herewith.

2. In addition to those portions of the plan noted as being distributed separately the following appendix will be dis­tributed at the earliest practicable opportunity! Schedule of Fires Dog Day-Alternate Landing Plan, (Appendix (IV) to Annex (H), Ships Gunfire Support Plan)•

3. Additional copies of Appendices (I)t (H)', (ill) and (IV) to Annex (H) will be distributed separately to fire support ships and commands listed in Task Organization of Annex (H) as follows; Task Unit and Group Commanders (1) each, OBB's and CA's (3) each and DD»s (2) each,.

4» This plan in its'entirety will be downgraded to CON­FIDENTIAL one laonth after the objective has been officially declared secured. Copies not required for further study and retention may be destroyed by burning without report of destruction,

5. Attention of all ships and commands concerned is invited to reference,(a), which contains all current instructions relative to action reports and war diaries.

AUTHENTICATED:

Flag Secretary,

w £

Operation Plan ComPhibsPac No. A25-44.

Annexes

(A) - General Instructions, for the Amphibious Phase of the Operation, Appendices - . .

(I) "*- Landing Force Plan 3-44 (Preferred), (II) % - Landing Force Flan 3-44 (Alternate),

t(B) - Jntelligence Plan, Appeqdix ,

(I) - Intelligence Map, 1*70 JIM*., (additional Appendices of iviaps, Charts, & Photos distributed separately)

(C) - Communicajbion P l a n , Appendices

(I) - Amphibious Landing Communication Channel (Diagram), (II) - Frequency Assignments. . . . .

(D) - Cruising Diagrams, Appendices

(I) Cruising Disposition 3AL1. (II) - Cruising Disposition 3AL2. (III) - Cruising Disposition 3AL3. • (IV) - Cruising Disposition 3AL4. (V) - Cruisi^ Disposition 3AL5. (VI) - Cruising Disposition 3At6. (VII), - Air Antisubmarine Patrol Flan.

(E) -Approach Plan (ComphibslPac Operation Order No. A26-44). A p p e n d i c e s .*"••''

(I) - Tracks for Approach to L/0 JIMA (Preferred Plan). (II) - Tracks for Approach to ItfO JIMA (Alternate Flan).

(Fl) - Transport, Fire Support, and Beach Areas (Preferred Plan). (F2) - Transport, Fire Support, and Beach Areas (.alternate Plan) • (G) - Attack Order (ComPhibGrp 2.No. A201-44).

Appendices (I) Transport Group ABLE Landing Attack Order.

(Distributed separately by ComTransRon 16) # (II) - Transport Group BAKER Landing Attack Order,

(Distributed separately by ComTransRon 15) * (III) - ComGen 4th Jfiarine Division Landing Force Order,

(Distributed separately). (IV) - CoraGen 5th Marine Division WKpgB^j0^ Order,

(Distributed separately/ MmtMW.mfs (V) - Ship to Shore Movemeni

Enclosures (A) - General Instructions for

Lloveacent.. Plate No* 1 - Flags and Lights for Control

Vessels. (B) - Line of Departure Diagram (Preferred). (B-1) - Line of Departure Diagram (Alternate).

- 1 ­

(Index)

- Logistic Control Diagram (Preferred)• - Logistic Control Diagram (Alternate). •••'••& *' Not to all of Distribution List of

ComPhibsFac No. A2f>-4i,.. (H) - Ships1 Gunfire Support Plan. -/'

Appendices - , (I) / - Schedule of Fires, DOG minus THREE. (II). - Schedule of Fires, DOG minus TWO and DOG iinus ONE, (III) - Schedule of Fires> DOG DAY. •••"L. (IV) - Schedule of Fires, DOG DAY (Alternate "Landing Flan). (V) •- Plan of Covering Fire for Beach Reconnaissance and

Demolition. . • (VI) - Shore Fire Control Communications. (VII) - Inventory of Replacement Ammunition.• ­

(I) - Air Support Plan. A p p e n d i c e s . ' • ' • '

(I) Air* Support Schedule, DOG minus THREE, DOG minus TWO, DOG minus ONE inclusive,

(II) - Air Support Schedule^ DOG DAY. (III) - Air Support Schedule, DOG plus ONE and Thereafter. (IV) - Schedule of Land-Based Air Strikes on IWO • JIM/U (V) - Air Operations Chart. (VI) - Air Spot for Ship*s Gunfire and Shore artillery, . (VII) - Air Anti-submarine Plan at the Objective Area.

:. Diagram-Plan ABL3 Daylight Patrol. _ Diagram-Plan BAKES Dark Patrol.

(VIII) *-Air-Sea Rescue Plan. (IX) •- Carrier Based Search at M O JIMA. (with diagram) (X) - Logistic Reports from Carriers, . (XI) - Coordination of Air Strikes, Naval Gunfire,

Artillery, and Mortar Fire. (XII) - Photographic Plan.

Enclosures (A) - Table of Assigned Coverage. c - Table of Distribution.

~ Photo Mission Map (D minus FIFTEEN). • -. Photo Mission Map (D minus THREE, W O , and ONE).

and Fighter Direction Plan, r Support Commanications Plan^

General Instructions, reas."

e/Plans.

- Screening Plan* Enclosures .

(AT7 •<• Diagram for Screening Plan ABLE. (B) - Diagram for Screening Plan BAKER. (O - Diagram for Screening Plan CHARLIE.

- 2 ­

Operation Plan ComPhibsPac No. A25-44­

Diagram foj? Screeri3!ttg(°j '05

Diagram for Screening Plan Alternate ABIE, (AA) Diagram for Screening Plan Alternate BAKER,

(AC) - Diagram for Screening Plan Alternate CHARLIE. (AD) - Diagram for Screening Plan Alternate DOG. (AE) - Diagram for Screening Plan Alternate EASY.

(II) - Battle Plan (ComPhibsPac Operation Order No. A27-44)* (III) - Night Operations at the' Objective (ComPhibsPac

Operation Order No. A28-44). Enclosure

(A) - Chart of Operating Areas. (Appears as Annex (J))

Appendix (IV) '- Smoke Plan.

Enclosures (A) - Types and Characteristics of Smoke Equipment. (B) - Smoke Plan for Transport Areas and Anchorages, (C) - Special Smoke Plans and Diagrams.

- tfinesweeping, Mooring Buoy and Net Plan. Appendices

(I) - Minesweeping Areas 1 - 13 inclusive, (II) - Minesweeping Area 14« (Hi) - Net and Buoy Plan. (IV) - Communication Plan for Minesweepers. ao - Beach Reconnaissance and Underwater Demolition Plan.

Appendix (I) -• Communication Plan for Underwater Demolition Group.

(H) - SOPA Instructions. Appendices

(I) "~"•»• iinchorage Chart IWO JIMA (Distributed separately with appendices to Annex (B) Intelligence Plan).

(II) - Heavy Weather Plan. (III) - Hydrographic Survey Plan. (IV) - Outline of Important Frequencies arid Call Signs.

(0) - Unloading Plans for Assault and Garrison Forced* (p) - Logistics Plan.

Appendices / (I-A) -• ENIdETOK Anchorage Plan, Tractor Groups. (Chart) (I-B) - ENEffiTOK Anchorage Plan, Transport Groups, (Chart) (I-C) - MARIANAS Anchorage Plan. (II) - Fueling, Watering and Provisioning Plan.

(Q) - Medical Plan. (R) - Salvage Plan. (s) - Boat Pool Plan (T) - Pontoon Barge and Causeway Plan. (u) - Seaplane Base Plan. (v) - Evacuation of Assault Troops Plan

- Public Relations, Appendix

(I) - Collection, Censorship andc^st6e«i?iation of News Materials

- 3 ­

00

CAF/A16~3(l) CIFIC FLEET, Serial! 000280

hi"bsPac, U.S.S. ELDOBADO, Flagship.

Operation Plan PEARL HARBOR, T.H., OomPhitsPac No. A25-44 20 December 1944.

TASK ORGANIZATION

51 Joint Expeditionary Force - Vice Admiral Turner (Rear Admiral Hill, Second*-in-Command)

(a) Force Flagship - ELDORADO - Captain Wallace 1 AGC

("b) 51.10 Air Support Control Unit - Captain Whiteheajl ,

(c) 56 Expeditionary Troops, - lit. Gen.. E.; M. Smith, USMC

Headquarters Expeditionary T.roopg'.

56.1 Landing Force <•* Maj.Gen. H» Schmidt, USMC. ,

£6.2 /Assault^JTroUpg h Maj. Gen. H. Schmidt, USMC

Corps Troops, V AmjJh^iotLs,Corps, plus attached units.

4th Marine Division, plus attached units. 5th Marine Division, plus attached units.

10.16 Garrison Force - Maj. Gen. Chaney, AUS ' ' ' ' • ' • ' •

Gropac 11 2 VF Squadrons (Army) 1 VF(N) Squadron (Army) 1 GP Service Squadron 2 AW Battalions, less detachments 1 AAA Grp.- (3 AAA Bns.) . ­2 CAXEns. (155 mm Guns)

. Service and other units assigned

56.3 Expeditionary Troops Reserve *» Maj. Gen. Erskine, USMC

3rd Marine Division, plus attached units,

(d) 53 Attack Iforce - Rear Admiral Hill

ZorcjLHagsMp - AUBURN - Captain Myers 1. AGO

53olO A.ir Support Control Unit -_CjDni&r_A Osjjorjie

56.2 Assault Troops (as

CAF/A16­Ser

on Plan bulbil)sPac No. A25-44

53.1 Transport Group ABLE (TransRon 16)- Commodore McGovern

••' • • Less

53*1,1 TransDiv 46 - Commodore McGovern

(SF), DEUEL, DABKE, HOCKIKG, BtOWTMoRrTo^ 5 APA TOLLAMD, WHITESIDE 2

53.1.2 TransDiv 47 - Captain Wotherspoon ftos

RUTLAND (F),. HIGHLANDS, SAHDOVAL, 5

WHITLEY/YAITCEY 2 AKA

53.1.3 TransDiv 48 - Captain Andrews #«»i

TALLADEOA (F), MI5SOT3LA, LUBBOCK, DICKSHS, LSSAKB , • •' %T»*£9.*r'«K.5 APA

GUHSTON HALL . 1 LSD

: (From Expeditionary Troops) 56.2,1 ABLE Landing Group - Maj. Gen, Hockey, USMC

5th Marine Division, plus attached units, Corps and Garrison Force Troops, assigned for transportation,

53.2 Transport Group BAKER (TransRon 15) - Coraciodore Flanagan

53.2.1 TransDiv 43 - Commodore Flanagan

BATfPIELD (SF) , MBLLETTE, HEHDRY, SIBLEY, BERRISil 5 APA SHOSHOKE, ARTEMIS 2 AKA OZARK 1 LSV

5 3 . 2 . 2 TransDiv 44 - Captain Seyfr i ed Plus etLLt Cjfcta/E

HINSIULE ( F ) , PICKETS, SANBORN HAPA, BLADM 5 APA

2 AKA 1 LSD

- 2 ­

CAF/Al6-3(1) Ser ia l : 000280

Operation Plan ComPhi"bsPac No.. A25-44

less 53.2.3 TransDiv 45 ­ .Captain Sabalot ' ^

XOGAN ( F ) , HBWBBBHY,- MIFFLHJ, L0TOXE8,. BABBOW ,1 1 0 , HULIPHE1H' ' :

5APA 2 ASA

AS.ELAHD 1 LSD

(Irom TBxpecfitionary 56.2,2 BAKER landing Group - Maj. Gen.Cates^ USMC '

4th "Marine Division! plus attached units. Corps and Garrison Troops, assignedfor transp*ortation* .

53.3 Tractcr Flotilla'»- Captain Brereton

Flotilla Flagships - GBEOOHY (ID) .. 1 DD LCI(X) 994 (OF) 1 IiCI(L)

5 3 , 3 . 1 T r a c t o r Group ABLE - Comdr. Kiekura

' ' 4rdup Flagships ->fLITTLBv^:' • 1 DD 995 (OF) 1 LOI(L)

65.3.13 LST Unit 01OS- Comdr. Gullett '

LST 241, 354,588,643, 715, 756 C&F)* ,929(H) * . 7 LST

53.3.3 LST Unit TWO - Lieut-Comdr. Lea

LST 70", 390, « • (UP), 481,

634, 758, 1033 (H> 7LST

53.3.4 Tractor Group BAKER - Captain' Brereton

53.315 'LST Unit THESE - Comdr• HacKinnon LST 587 (G?)>6^f#ada^, 716,

930(H) 7 LST

t 7W (W) t 731* 789, 928, 931 (H) 7LCT

*** -3 *•'

Operation Plan GomPhiosPac No. A25-44

53.3.7 Tractor Group CHARLIE - Capt. Peterson, USCG

Group Flagships - ROOKS fff . 1 DD LCI(L) | P (OP) 1 LOI(L)

53.3.8 LST Unit FIVE - Comdr. Sands, USCG

LST 726, 760 (OF), 763, 764, 779, 792 (Badar), 784,

Wv1 0 8 8 9 LST

53.3.9 LST Unit SIX- Oomdr, Millingtbn, USCG­

LST 42, 121, 224, 399, 807, 782 (UP), 785, 795, 940 9 LST

53.4 LSM Flotilla - Comdr. Carpenter

Flotilla Flagship - LCI(X) 628 1 10t(L)

53,4.1 LSM Unit ABL2S - Lieut-Comdr. Griswold

LSM 43, 44, 46, 47, 140, 141, M i , , 242, 261, 264 (OF), 266 izm LSM

53.4.2 LSM Unit BAKER - Lieut-Comdr. Lind

LSM 48, 59, 60 ( a f ) , 145, 201, 202, 206, 207, 238, 239, 241, 260, £LSM fe*at£3

53.5 Control Group *- Captain Adell

53.5.1 Central Control Unit ~ Captain Adell

PCS 877 • 1 PCS PC(S) 1403, 1421 2 PC(S)

53.5.2 Control Unit AELff - Lieut-Comdr. Dawes

PC(S) 1460, 1461 2 PC(S> SC mm, 1298 2 SC

53.5.3 Control G-HESK - Lieut. Sexton

1 PC 1 SC

GAJr/Al6-3(i) Serial: 000280

Operation Plan ComPhibsPac No4 A25-44

53.5.4 Control BED'- Lieut. Bills

PC 469 1 Pd

SC 1316 ' 1 SO

53.5.5 Control Unit BAKER - Lieut-Comdr. "Wheeler

PC(S) 1452, 1455 2 PO(S)

SC 1066, 1272, 1360 3 SC

53.5.6 Control .Y33LLQVT - Lieut-Comdr. Henderson

PC 578 1 PC SC 1326 . 1 SC

53.5.7 Control BLUB - Lieut. Wheatley PC 1081 1 PC SO 1374 ' 1 SC

53.6 Beach Party group - Captain Anderson

Ofoup Flagship ~ SC 724 . . 1 SC

53.6.1 Beach Party Unit ABLE - Comdr. Trapnell

Assigned Beach Party L1pp* nrotrt

53.6.2 Beach Party Unit BAKER - Lieut.

Assigned Beach Party

53.7 Pontoon Barge, Causeway and LOT Group - Lieut-Comdr. Ryan

1 Sroup Flagship - LCI(L) 772 1 LCI(L)

53.7.1 Pontoon Barge Unit ABLE - Lieut. Elmiger

16 - 3 x 12 barges (SP) when launched fromLST*s 760, 779, 930, 931

53.7.2 Pontoon Barge Unit BAKER - Lieutfjg) Knoll

12 - 3 x 12 barges (§P) when launched from LSI?s 929,

11

CAF/AI Se

r * f ifi<«

Operatj&xi\ J&an No. A25-44

53.7.3 Causeway Unit ABLE - Lieut. Lewis

3 Causeway sets (each 2 - 2 x 30 causeways) when launched from .LST »s 588, 758, 761

53.7.4 Causeway Unit BAKER - Lieut( jg) Judy

3 Causeway sets (each 2 - 2 x 30 causeways) when launched from LST!s 763, 764, 787

55.7.5 LCT Units - Lieut. Capeless

Group Flagship ~ LCI(L) 1 1 LCI(L)

53.7.6 LCT Unit ABLE - Lieut. Capeless

• • - LCT 630 loaded on LST 715 LCT 631 loaded on LST 731 LCT 632 loaded on LST 756 LCT 866 loaded on LST 713 LCT 1028 loaded on LST 684 LCT 1029 in QUESTON HALL 6 LCT

53.7.7 LCT Unit BAKER - Ensign D©rton

LOT 1030 loaded on LST 782 • ^__LCT1O31 loaded on LST 1032

;oS4- LCOHNBi loaded on LST • • LCT 1055 loaded on LST 634

- LCT # H loaded on LST M r LCT 1154 loaded on LST 716 6 LCT

-(Notes SILST's will carry LCT1 s, but only

• ' "•'- those listed above will be launchBd at the objective, and on order of• the Attack Force Commander only.)

(e) 51.2 Transport Screen «- Captain Moosbrugger

DesRon 63 (Temp) - Captain Moosbrugger

DesDiv 12$ (Temp) - Captain

HXMAK

- 6 «

/Serial\ 000280

Operation Plan ComPhibsPac No. A25-44

MinPiv 7 plug HENRY A. TfttliEY - Captain Beecher

ROBERT H. SMITH (FP), THOMAS E. FRASER, SHANNON (F) , HARRY F-. BAUER,

PesRon 45 - Captain Daniel

PesPiv S^ - Cap ta in Danie l

FULLAM (SF) , GUEST, BENNETT "(FD), HUDSON (FD), HALFORD

DesDiv 90

PRINGLE P I , STANLY, HOWOfiTH,

VAN VALKENBURGH ( F ) | COLHOUN ( F D ) , GREGORY ( F D ) * , L I T T L E * , ROOKS^ 5 DD

ANTHONY*, WADSWDRTH*, IviULLANY, ' , BRADFORD*,' BUSH* 6 DD

CortDiv 16 ­ Captain Cleland

ELDEN* (F), WILLIilM C. MILLEft*, CABANA*, DIONNR"-, CAI^EIELD*, PESDE* 6 DE

CortPiv 61 plus GRAPY*, McCLEUAM) - Comdr, Reich

RALL (F)*, HALLORAN*^, CONNELLY*, . FINNEGAN*, McCLELLAND*, GRADY* 6 DE

Cdr.tDiv 44 - Comdr» Hinds

SAMUEL S. MILES (F), WESSON, RIDPLE, SWEARER*,- STERI^*, O'NEILL* 6 DE

Note: (*) indicates vessels will join Transport Screen upon arrival of respective TG!s at objective.

(f) 52 Amphibious Support Force - Rear Admiral Blandy

52.1 Force Flagship - ESTES - Captain Mathews 1 AGC

52.10 Air Support Control

! Serial: 000280

Operation Plan ConiPhibsPac No, A25*-44

52.2 Support Carrier Group - Rear Admiral Bur gin

52»2.1 Support Carrier Unj.t OMB - R. Adjn. Sprague

SAEOENT BAY (F), WAKE ISLAND 2 CVE

MUGJORD* PATTERSON^ BAGLBY

BSALE (P), RALPH TALBOT "c*f8v 2 DD

GRADY, RICHARD S. BU&Ii 2 DE

5 2 . 2 . 2 Support flarrjleg Uhffi TVO - R, Adm. Durgin

MAKIH XSUIO)' (31), POINT, BISKiLRCK SEA, 4 OYE

la«a OBIIMY, CRATO, McOALL, MAURY

BACHE ( 7 ) , HELM, BAGLEY - ComrfK U n M 3 DD

RICHARD M, ROVELL, O'llAHBRTY 2 DB

OortDiv 72 l « s a LERAY WILSON - Comdr. Jackson

LAVRENOB 0, TAUOR MEL7IN R. KAVIMAN*, OLIVSR MITCHELLL*. TABBEBBR*» ROBERTff. KSLLER* 5 DB

(• Indicates ASV Unit temporarily-attached to be detached when directed by ComyiPTHFleet),

52.2»3 Support Carrier Unit THREE - R. Adm^ Henderson

CarPiv 25 leas NATOMA BAY, SARGENT

BAY, TULAGI, PETBOF BAY 2 CVE

SAGIHAW BAY (J1), BUDYERD BAY 2 DD

STOCKTON (P), PATTERSON - Comdr. Stark

^Change No. 2 - 8 ­

CAF/jU 6-3(1) Serial* 000280

Operation Plan ComPhibsPac No. A25-44

EDM011DS, JOM C 2 DE

J52.3 Mine Group ~ Rear Admiral Sharp

Group Flagship - TSEEOE - Comdr. Blakeslee 1 CM

52.3.1 Sweep Unit OKE - Comdr. Loud

HOPKINS (i1), 6 DMS DOESEY, HOWASD,. HOGAtT 1 DM BEEBSB

52.3,2 AM Group -• Comdr, PreiTmrghouse

52.3.3 Sweep Unit TWO - Comdr. Preiburghouse

SKI1MISH (P), SIGJET," STAUilCH, SCUERY, SPECTACLE, SPECTOE 6 AM TEAGY : . 1 DM

52.3.4 gwoep tfyit THBJS& - Lieut. Calloway

SWM& (21), SHELTSEi STEATSGY, STEENGTH, SUCCESS, EEBEL ' 6 AM PC 800 ' 1 PC

52.3.5 Sweep Unit FOUR - Lieut-Comdr. Howard

CHAKPION (F), AEDENT, DEFENSE, DEVASTATOE 4 AM

r 1 DM 52.3*6 YUS Group - Lieut-Coindr. Lambert

52.3.7 Sweep Unit FIVE - Lieut. Thompson

rVSS 323 ^ 3 7 4 , 401, 6 YMS 1 DM 2 SC

SIX -- Lieut* Osborne

\J&- , 3MS 193, 235, 345, 360. • \T ^ 407 "(F), 475 6 YMS

^5'- SC 1054 1 SC

-9 T

PDAF/Al6-3(1) /Serial: 000280 >

Operation, Plan / ComPhibsPad tfo* ABS-44

52.3,9 Sweep Unit SflVEN ­ Ens. Mitchell

4 LCP(H) initially embarked in WATERS, equipped with Size 5 M/Sweep Gear.

4 LCP(R) initially embarked in GILMER, equipped with Size 6 M/Sweep Gear,

52.3,10 Net and Buoy Unit ­ Lieut-Comdr, Lewis

EBOEOK(P)LANCEWOOD, BITTERSUSH, ABELE

1 AK1T 3 AN

52,4 Underwater Demolition Group ­ Captain Hanlon I : •

GILMER (y), WATERS, BULL, BARR, BATES 6 APD

5UDT m

Mft ~ Lieut-Comdr, t H p i , embarked in

UDT 12 - Lieut-Comdr, Hochuli, embarked in •• UDT 14 - Lieut(jg) Onderdonk, embarked in BULL UDT 15 - Lieut. Brooks, embarked in BLESSMAN G-ILMER and WATERS carry extra demolitions and shallow water sweeping boats.

52.5 Gunboat Support Group - Captain Aylward

Group Flagship - LCI(L) 988 1 LCI(L)

52.5.1 Gunboat Support Unit OKB- Comdr. Malanaphy

LOI(L) 627 (?) .- - 1 LCI(L) LCI(G) 450, 466, 469 (Press),

471 (Press), 473, 474 6 LCI(G)

52.5.2 Gunboat Support Unit TWO - Lieut-Comdr. Nash

LCI(G) 346, 348, 438, 441,4<i- ( ,

457 (3P) /•. • 6 LCI(G)

52,5.3 Gunboat Support Unit TEHEE - Captain Aylward

LCS(L) 51, 32, 33, 34, 35, 36 6 LCS(L)

- 10 ­

CAF/A16~3(l) Serial; 000280

Operation Plan ComPhibsPac No, A25-44

52.5*4 Gunboat Support Unit POUR ­ Lieut~Comdrp Stone

LOS(L) 31 (F) , 52, 53, 54, 55> 56 6 LOS(L)

52.6 Mortar Support frroup ­ Captain Eool^t

&roup Flagship ­ LCI(L)"425 1 LCl(L)

52.6.1 Mortar Support Unit ONE - Lieut-Comdr. Dom

LCI(M) 630,. 631 (F), 632, 638, 756, 1010 6 LCI(M)

52.6.2 Mtrtar Support Unit W O - Lieut-Comdr, Kelley

LCI(M) 633 (F)> 757, 760, 1011, 1012, 1033 6 LCI(M)

52.6.3 Mortar tjnlt » Lieut-Comdr. Hannett

LCI(M) 658, 659, 660 <?),

754, 1056, 1057 6 LCI(M)

52.6.4 Mortar Support Unit FCKJR - Lieut~Comdr. Brown

LCI(M) 739 (F) , 740, 741, 742, 1058. mmjlS 6 LCI(M)

52.6.5 Mortar Support Unit FIVS - LieuWComdr, Conners

LCI(M) 351, 352, 353, 354, 355 (F), 356 6 LCI(M)

52.7 ROM and Rocket Support ftroup - Comdr, Coffin

52.7.1 ROM Unit OKB ~ Lieut-Corodr. Thompson

LCI(L)(3)(R)(RCM) 644 (F), 651, LCI(L)

708 (3)(B (RCM)

io;

52.7.2 RCM Unit 3 LCI(G)

(RCM) LCI(G)(

- 11 - Change No, 2

P/A16-3(l) erial: 000280

? Operation Plan

.ComPhibsPac No. A25-44

\J£ (g) 54 Gunfire and Covering Pofrce •-. Reiar Adm. Hodgsra

Bat Pi v X ' l - Rear Adm* Rodgers

IDAHO ( 0 } , NEVADA (P) , TENNESSEE , ' 3 OBB

BatDiv 5 - Rear Adm. P i s c h l e r

•TEXAS ( P ) , ARKANSAS, NEW tOEK * 3 OBB

BatDiv 6 (teihp) - . 'Rear Aditu Cooley

WASHINGTON (P) , NORTH CAROLINA 2 BB • . . . - • • t

CruDiv 5 - Rear Adm, Sa i t h

CHESTER (P)» PENSACfcliA^SALI LAKE CITY 3 CA

TUSCALOOSA, INPIANAPOLIS 2 CA

DesDiv 91 - Captain Hunter-

CAPPS ( P ) , TERRY, DAVID W. TAYLOR, EVANS 1 JOHN D. HENLEY ' • 5 DD

DesDiv 101 - • Captain Martin •

HALL (P) , HALLIGAN, PAUL HAMILTON, TWIGGS 4 DD

DesDiv 111 - Captain Smoot

-™—Jjf *•;"'' LHTTZE ( P ) , BENNION <PD) , NEWCCKB, InflBBi'' *if RICHARD P . LiURY, HEYWOOD L . EDWARDS 5 DD

- . . - • • • - • >

STEMBEL (VD)i BRYANT (PD) . 2 DD

WILLIAMSON 1 AVD

ange No. 2 " - 12 ­

CAr/Al6-3(l) Serial* 000280

* \ A

Operation Plan \ ComPhibsPac No. A25~44

If Task Group 58.4 returns alone from Initial Strike, the following ships from TF 58 will arrive at Point CLERK from NW at 0700 (K) DOG Bay, and then proceed to assigned Fire Support Sectors* CruDiv IS and DesDiv 99 will "be released by sunset DOGDay to rejoin TF 58,

BatDfo 6 less SOUTH DAKOTA - Rear Adm. Cooley "

WASHINGTON (F)» NORTH CAROLINA.- 2 BB

OruDiv 13 less BIRMINGHAM, MOBILE - Rear Adm. Deyo

SANTA IE (!) , BILOXI 2 CL

INDIANAPOLIS 1 CA

DesDiv 99 - Capt, E. R. Wilkinson

CLARENCE K. BRONSON (F) , COTIEN, DORTCH, GATLING (FD) , HEALY 5 ID

*If all Task Groups of Task Porce 58 return in''time from the Initial Strike, the following ships from TF 58 will arrive at Point CLERK from NW at 0700 (K) DOG Day, and then proceed to assigned Fire Support Sec­tors. All ships except WASHINGTON, NORTH CAROLINA and INDIANAPOLIS will be released by sunset. DOG Day to rejoin TP 58.

B a t H v 6 l e s s SOUTH DAKOTA ­ Rear Adm. Coole y

WASHINGTON ( F ) , NORTH CAROLINA 2 BB

CruDiv 17 ­ Rear Adm. Jone s

PASADENA (F) , SPRINGFIELD, ASTORIA, WILKES-BARRE 4 CEL

DesDiv 12 4 ­ Comdr. Smith

JOHN W. WEEKS (?) , HANK, WALLACE L* LIND, BORIE 4 DD

INDIANAPOLIS, SAN FRANCISCO, BOSTON, PITTSBURQi 4 CA

DesDiv 106 ­ Comdr. Hogg

YARNALL (P) 4 DD

•Following ships from Tfwk Ij^rgrrive at Point ARSON from SW at 0800 (K) DOG plus ONE Day, ancPraeh'Apr6ceed to assigned Fire Support Sectors* They will be released in time to rejoin TF 58 by 2100 (K) DOG plus ONE Day.

(IS - A)

Operation plan 4 OomPhlbsPac No. A25~44

14 l e s s HOUSTON, VICKSBURG - Bear Ada*. Whiting

" YDSfCBSIDBS, MtAMI 2 CL

DesDiv 50 - Capt. Par i sh

RINGGOLB (F) , SCHROEEER, SIGSBEE, HASHIELL

CruDiv 13 l e s s BIRMINGHAM, MOBILE - Rear Adm, Deyo

SANTA IE (I1),, B 11,0X1 2 CL

DesDtv 94 - Capt, Reynolds

HAGGARD (?) , FRANKS, HAILEY 3 DD

* Unless a l l groups of TF 58 coi^piete I n i t i a l s t r i k e in two days none of the above ships w i l l arr ive or DOG or DOG plus ONE Dsiy except WASHINGTON* NORTH CAROLINA, INDIANAPOLIS, SANTA M, BILOXI and Des-Div 99,

ange No* 3 .

CAF/A16-3(1) Serial: 000280

Operation Plan GomPhibsPac No. A25-44"

(h) 51.1 Joint Expeditionary Force Reserve - Commodore Loomis

51.1,1 TransRon 11 - Commodore Loomis

51.1.2 TransDiv 31 - Commodore Loomis -^ _ . pun

FREMONT (SF.), FAYETTE, KNOX, LEfcDSTOWN, HARRY LEE 5 APA ALMAACK, WARRICK 2 AKA

51.1.3 TransDiv 32 - Captain Popham Int

PEES. JACKSON (F)f PEES. ADAMS, DOYEN, BOLIVAR 4 APA CAPE JOHNSON 1 AP LIBRA 1 AKA JUPITER • . 1 AK

51.1.4 TransDiv 33 - Captain Haight

CALLAWAY (F), FREDERICK FITNSTON, JAMES O'HARA, FELA&D 4 APA ALHEHA , • 1 AKA HERCULES • 1 AK

56,3 Landing Force Reserve - Ma.i. Gen. Erskine, USMC

(From Expeditionary Troops) 3rd Marine Division, plus attached units.

51.1.5 Screen - Captain Tedder

ANTHONY (F), BUSH (lD)\ WADSWORTH, BOYD, BRADFORD 5 DD SWEARER, STERN, O!NEILL ' 3 DE

(i) 51,3 Service and Salvage Group - Captain Curtis

AGENOR ^fl^im 1 ARL OCEANUS _- * « < ? ^ . W l l 1ARB CLAMP, f f i J « P ^ K « ^ t J L '<>-i%mW 3ARS.

LCS(L)(Sf 51, 32, 33, 34, 35, 36 (Dog / 1 Day). 6 LCS(L) \ - , ' (3)

LST 77a (B&5DIE) • 1 LST Other vessels assigned.

^ O p e r a t i o n Plan -•s* ComPhibsPac No. A25-44

(j) 51.4 Hydrographic Survey Group - Comdr. Sanders

PC(S)(H) 1388, 1396

(k) 51.5 Defense Group - Captain Sampson,

LST 84, 222 (GF), 247, W , 477, 641, 724, & * t t , 788, 790, 808, 8O9». 943, 944 MCCLELLAND, W DEW^IS LSM 143 LST(M) 676, 678 PC(S)(H) 1404, 1457

PC 779, 1588 SC 1270

(Attached elements of Defense Battal ions and • Service u n i t s ) .

( l ) 51.6 Garrison Group ZERO - Captain Macgowan

9'm^'w4sSEA. RUNHER^MHOTV, DASHING WAVEJ0*CAPE SAN MARTIN, CAPE GEORGIA, CAPE ISABEL

VI.CMU.LCP HALL ( F ) , DEEDE, W . CANFIELD « Comdr. Reich

Garrison Troops assigned

(m) 51.7 Garrison Group ONE - Captain Lustie

CAPE KEAR, CHINA

.- SILVERLEAP, CANOTIA ^ • • • • • • • • • • 1 (F), CABANA, DIONNE -. Captain Cleland

^ G a r r i s o n Troops assigned

ort Director Unit - Comdr. Darling

LCl(L)rs 1029, 1030 GroPac 11

J

- 14 ­

2 PC(S) (H)

14 LST 2 DE 1 LSM 2 LST(M) 2 PC(S)

(H) 2 PC 1 SC

Z « XAP 4% X M

4 DE

1 XAP 3 XA.K

1 AKN 2 AN

3 DE I DP

2 ICI(L)

Operation Plan ComPhibsPac No. A25-44

(o) 51.9 Seaplane Base Group - Captain McLean

HAMLIN (F) 1 AV CHINCOIEEAGUE 1 AVP WILLIAMSON (when assigned) 1 AVD 1 VPB Squadron assigned . 12 PBM

3 "PB2Y RescBon 2

(p) 51.18 Night Objective Group ~ Vieg Admiral IPurner ,

. ' (Effective 0600 (K) DOG Day) Units assigned as shown in Night Operations Plan* Appendix (III) to Annex (K)f

(q) 51.19 Night Hetirement Groups - Bear Minimal Blandy

(Effective 0600 (K) DOG Day)

Units assigned as showtt in Night Operations Plan, Appendix'(III) tb.^nnex (K)»

- 15 ­

^Operation Plan .vComPhibsPac Not A25-44

1. (a) This Operation Plan is derived from Commander FIFTH Fleet OpPlan No. 13-44, •

, (b) For information of the enemy, see Intelligence Plan, Annex (B)t . " . ' • • < f ^ ' . - '-.''• • •

(c) See General Instructions for the Amphibious Phase of the Opera­tion, Annex (A). For general directives for the employment of

. Ships1 Gunfire, see CinCPac Conf. letter 13CL-44} Commander Amphi­bious Forces Circular Letter Ho. AL15r*44 (Rev. l); and Ships1 Gun­fire Support Plan, Annex (H). See Annex (F-l) for Transport, Fire Support and Beach Areas for Preferred Plan and Annex (F-2) for Transport, Fire Support, and "Beach Areas for Alternate Plan,

(d) By superior authority,- CTFs 58 and 93 have been directed to provide strategical arid tactical air support for the Joint Expedi­tionary Force, in general accord with Air Support Plan, Annex (l)f Strong friendly air forces will strike enemy objectives and posi­tions in the Empire and NAISUI SHOTO prior to DOG Day, end there­after cover the operation and maintain neutralization of enemy bases. Information regarding own submarines designated to obtain intelligence of, and to strike, enemy forces will be disseminated as obtained.

2. This force will capture, occupy, and defend IWO JIMA, beginning DOG minus TSBM Day, and initiate the development of an advanced air base on the captured island.

3. (a) Force Flagship operate as directed by CTF 51.

(b) Air Support Control Unit control aircraft and conduct Air-Sea Rescue Operations as directed by Air Support Plan, Annex (j). Fighter Cover and Fighter Direction will be coordinated by Commander Air Support Control Unit, but Fighter Direction ordinarily will be directly exercised by designated Fightor Director ships in the vici­nity of the objective.

Co) Expeditionary Troops capture, occupy, and defend IWO JIMA in accordance with Landing Forco EUin No. 3-44. Initiate the rehabili­tation and construction of eirfieids as early as possible. Esta­blish facilities ashore promptly for night fighter aircraft, and following that, for nil categories of aircraft» the initial prefer­ence being given to fighter and carrier types. When directed by CTF 51, the Landing Force Air Support Control Unit Commander assume control of troop support aircraft. Initiate the establishment of an advanced air baefijMiisdefenses as required by CinCPac*s Base

.sh Military Government as prescribed in

.1-44. Embark in HAWAII* MARL&UAS, and

- 16 ­

GAF/A16-3(l) Serial? 000280

Operation Plan ComPhibsPac Ho. A25-44

the CAROLINES in designated vessels. Upon completion of the Occu­pation Phase, and when directed "by Commander Joint Expeditionary Force, reembark troops not required for the garrison," and withdraw to> xsear "bases, in accordance with Evacuation Plan for Assault Troops, Annex (V).

Attack Force land assault troops on SOUTHEASTERN IWO JIMA on DOG Day on GREEN, RED, YELLOW, and BLUE Baaches (Preferred Plan) or on WESTERN IWO.JIMA on ORANGE, WHITE, BROWN, and PURPLE Beaches (Alternate Plan), in accordance with Attack Order, Annex (&). Con­trol Underwater Demolition Group subsequent to arrival of trans­ports in Transport Area. Clear obstacles on landing beach approa­ches in accordance with Annex (M). At SAIPAN transfer to LST's designated assault troops, control personnel,-and advance groups of Beach and Shore Parties and transfer other designated control personnel-to* control"• vessels*•- On DOG Day transfer Tomainin£ con- • trol personnel aboard transports to control vessels. Land the Expeditionary Troops fieqorve and equipment and the Garrison Force and equipment when directed. Launch assigned LCTfs, pontoon barges, and causeways when desired. Oh arrival at objective Tractor Groups transfer destroyers assigned as flagships to Transport Screen* Dirset Gunboat Support Group, which has reported at 0600 (K) DOG Day, upon completion of duties in support of landing to report to CTF 52. Establish a boat pool as required by existing orders and in accor­dance with Boat Pool Plan, Annex (S); direct 2 LCVP from boat pool to report to SOPA at 1200 (K) DOG Day for use for press purposes? these boats will have PRESS painted in large letters on each side. Obtain assistance for salvage of small craft from CTG 51.3 Upon completion of capture of the position, and when directed by CTF 51 reembark troops not assigned to the Garrison Force for transfer to the HARIANAS. Not later than DOG plus TEN-, return personnel of Pontoon Barge. Causeway "and LCT Groups (less LOT personnel) and Underwater Demolition Group to GUAM. Inform GTF-51 and 0TG 51.19 daily by noon the names of ships and craft designated to remain that night at the objective. Provide boats for aiamunition boat pool ag required by Annex (IS.), . -,

(e) Transport Screen protect transports, and other vessels inside the screen, against air, surface, and submarine attack*in accor­dance with Screening Plan, Appendix (I) to Protective.Plans, Annex (K). When .di#«crt'e'd,^a^^.9^|f$l^gB to Fire Support Group in . exchange for;vosseislw1f|ps i Offl ardmont ammunition is depleted. When directed, supply roenforcements for the Gun Fire and Covering .•ffprce. for action, against enemjr surface forces•JD^a directed byCTF 51, HALLORAir, 0OpEilJ^a«d MNJiSe^J^iiBbllitive on DOG plus TWO for rendezi

- 17 ­

CAi1/

ibsPac No* A25-44

(f) Amphibious Support Force:

(1) Execute Ships* -Gunfire Support Plan, Annex (H); Air Sup­port Plan. Annex (l) ?:Minesweepings Mooring Buoy and Ne't Plan, Annex (L)•'; and Beach Reconnaissance and Underwater Demolition Plan, Annex (M), Request from CTF 54 vessels required for executing Annex (H) and other tasks assigned to TIP 53.

(2) Prior'to D0& Day send daily by dispatch to TI 51, (BOM holders only), beach information and results accomplished by Underwater Demolition Grouru Mine Group, and air and surface bombardments. Include OinCPac and ComFIPTHPleet as informa­tion addressees, ^MV^**&^

ltJlr«4X 09O0 | ^ ! (3) By noon of DOG minus OBI deliver to CTF^s 51 and 53 the sets of prints and negatives as provided in Appendix (XII) of Annex (i) of air and surface photographs taken on DOG- minus EWO and THREE of beaches and defenses on IWO JIMA. Report variations in soundings dangerous to uav|.gation»

(4) During the preliminary bombarcUmmt phas.e, prior to DOG Day, coordinate air-sea rescue and life-guard services.

(5) Establish petrols to prevent enemy reenforcements from other islands and escape of the IWO JIMA Garrison*

(6) At night, in addition to harassing fires, illuminate beaches and prevent enemy from laying mines and obstructions.

(7) Protect T21 51 unit8 near the objective against surface, air, and submarine attacks, in accordance with Protective Plans, Annex (£)« and Air Support Plans, Annex (l).

(8) Support Carrier Groupt while at objective, operate as follows}

DAYLIGHT ABSA DABSQO1SS AHEA

rrier Unit OKE & LACQUER and VARNISH, ATLAS

Oarrier Unit TWO VARNISH and DUNLOP

ort Carrier Unit T'£BS& PUTTY and PUTTY, SHELUC and RIVERSIDE

lore than qne Support Carrier .Unit is" operating in an area, "senior commander will coordinate movements as necessary and

may combine two units at discretion*. Carrier* keep clear of

- 18 ­

Serial* 000280

Operation Plan-ComPhibsPac No. A25-44

approaching and' retiring groups, Anti-Submarine Warfare Unit, composed of ANZIO and CortDiv 73 less LERAY WILSON is tempor­arily attached for ASW employment and will be detached when directed "by Commander FIFTH Fleet, and will then report to Commander FIFTH Fleet for such duty as he may assign.

(9) At 0600 (K) DOG Day, TF 52, less detachments, pass to direct command of CTF 51, who will then also assume title of CTF 52. Rear Admiral 3LAHDY is thereafter assigned as CTG 51#19»

(10) Detach Underwater Demolition Group and fa Support u p Group to report to CTF 53 at 0600 (K) DOG Day.

(11) OnDOG- Day, after completion of sweeping, detach vessels af Mine Group (less Ooinmaiider Mineftrou*> in TERROR, and Net and Buoy Unit) toT ^ g ^

(12) Net and Buoy<Uni'| USCMBT CoismaMor Min-e -Groupi lay nets and ouoys in accord«uic0 with MinaBweesing, Mooring Buoy and Net Plan, Annex (i)

(13) Rotate destroyers 1}#tween in^Fire and Covering Force and Transport Scree?} as r&qui**&» COT 58*5,3 operate Amnainit ion Boat Pool as required|ii Annex (N)» Wlaen directed "by CTF 52, at 1200 (K) DOG Day?^CclTGXs 469 and 471 report to SOPA to be employed for press purposes; theqe two craft will have nPBBSS" painted in large letters on each side. When directed by CTF 52, about DOG plus 0KH1 Day,, LCI(G)fs 346, 340, 438, 441 report to CTF S3 for such duty as he may assign. When directed by SoPA CT3< 52 a'oout » PlU8 0 M E Day. Qunboat Support Unj»t report to CTG 51.3 for duty as salvage crfeft,

DOG,

(g) Gun fare and Covering; Force assign to OTF 52 units for execut­ing shore bombardment as required by sub^paragraph 3(f) and Ships1

Qunfire Support Plan, Annex (H), Protect TF 51 units near the objective against surface attacks in accordance with Protective Plans, Annex (K); request necessary reenforcements•*of destroyers and aircraft from CTFfs 51 and 52, IMMflHMMMMaMMMV ^ i i M H M I I ^ M M M M H M H M O T r , A*" 0600 (K)

# DOG Day CTF 51 wi l l assume duty as SOPA* usual^conditions deploy nightly with units not rea^i**?*^ j^ire^jsuppdrt duty in Areas POOR, LACqu|H, VmSEr*' and 000D jgpr providing Gun Fire Support % organiz| as indidateU in An e r*^-- ma otlafeirwise requested by CTF 52« ^

(h) Joint Bxpeditio reserve £o»,

• •

Operation Plan ComPhibsPac Ho. A25-44

the Attack Force. Land when directed ."by CTF 51. If directed to land for the support of operations, report for duty to Commander Attack Force and land troops as directed by him in accordance with Attack Order, Annex (G). Upon landing, the Expeditionary Troops Reserve passes to command of the Commanding General, Landing Force. Arrivo in Point EQUITY 2200 (K) DOG Day and operate in Area PO&CH awaiting further orders. When directed "by CTF 51, SWEARER, STEREF, and 0*101 ILL depart objective on DOG plus TJWO for'rendezvous with tTG 50.8. ..:,

(i) Service and Salva.go Group execute Salvage Plan, Annex (R) and .provideether roquired services. When not othorwise employed, "station vessels in Areas XRAY and WILLIAM as shown- in:,Transport, Fire Support, and Boach Areas, Annox (F).. Assign vessels for ser­y.ico and salvage of minor craft to CTF 53 as requested and avail­able. When L C S C L ) report from CTG 52.5, direct* LCS(L)fs 32 and 33 to'report to ComTransGroipsi ABLE and; BAKER respectively,

(j) Hydrographic Survey: Group conduct Eydrographio survey and in­stall navigational aids in accordance with Hydrographic Plan, Appendix (III) to Annex ( )

(fc)-tDefense Group transport troops and equipment to objective, I^T's-and LSM's report to Commander Attack Force for debarkation and service as .directed by, him. Screen lose £C(S)(H) report to Commander Transport Scroon. PC(S)(H) report to CTG 51.4. After discharge of troops and cargo,'LSTfs less LST(M)fs assist in un­loading transports or withdraw from the area as directed. LST(M)' report fco GTJ1 53.A

Garri son, Grou p 2SR0 , on Grou-p OM transport echelons-of the Garrison Forces Jpctive for support of the operation. On arrival, trans-report to Commander Attack Forco for debarkation as

y him, Scroon report to Commander Transport Screen. ILVERIJJAF, and CANOTIA.report to CTG 53.3 for laying nets, drained Beach and Shore Partioe for unloading as dircctod

Eelicvo crows of Ponjboon Barge. Causeway and LCI c^ewsj^ot l >ter than DQG

Port Director Unit-ro-port %q and operate as directod by CTF 53 du1;y In ujiloading ships and anchoring- amphibious type ships

(o) S^ap^ane Base Group establish a floating operating base for seaplanes on DOG plus OHS Day or as soon-thereafter as ordorcd> in accordance with Seaplane Baso Plan Annex (U). Conduct, aircraft

- 20 ­

< •• ' * " "-1. f.

CAF/A16~3(1) Serials 000280

Operation Plan ComPhibsPac No. A25-44 ,>

• v.

searches as directed by ComFIFTHFleet. Conduct air rescue missions and operate base as directed by CTF 51* Refuel OBB, CA and CL planes as required,

(p) Night Objective Group continue operations at objective in accordance with Appendix (III) to Annex (K)*

(q) Night Retirement Groups make nightly retirement and return to objective in accordance with Appendix (III) to Annex (%) unless directed otherwise by CTG 51.19* ,

(x) (1) This Plan is effective upon receipt for planning and train­ing, and effective for the operation at 1730, Zone ZERO Time, DOG minus FQUR.

(2) Carry out the operations prescribed in this plan in . general accord with Annex ( A ) , General Instructions, for the

Amphibious Phase of the Operation*

(3) Move to positions for executing this plan in accordance with Movement Plan, Annex (p), Commander FIFTH Fleet OpPlan No, 13-44. Approach in accordance with Approach Plan, Annex (E)#

(4) Conduct night operations in accordance with Appendix (III) to Annex (K).

(5) When danger from enemy attack exists, ships shall exploit speed and maneuverability as a defensive measure against bomb» torpedo or gun attack* To this end, unless the SOPA has deter­mined that other defensive measures warrant anchoring, all com­batant ships of destroyer or larger siee 'will maintain appro­priate speeds and at least steerageway except;

a« In emergency;

Tb. When refueling or rearming make it infeasiblej

£. During delivery of close supporting fire, by vessels ~" in the boat lanes, while boats are passing. In this

• case, ships clear the boat lanes as soon after HOW Hour as is safe to do

(6) Large gunfire ships, except when operating inside theTransport Screen> will at all times be provided with a suitablescreen of vessels which are not themselves deliyea;j.ng fireagainst shore positio - - - .. -- *.

/•OomPhibsPac No. A25-44

(?) SOPA and other officers directing movements keep all Task Forces in ' the. VOLGAITO-MAEIANAS Areas informed as to projected movements'. .

(8) Destroy or drive off onemy forces which attempt to inter­fere with the movement to or operations at the objective.

(9) Operate, unless otherwise directed, generally in the areas shown in Annex (J).

(10) Support TF 58 when directed.

(11) DOG Day is tentatively set at 19 February", Zone Minus TEN (K) time, Hast Longitude Date. DOG Day is the day on which initial landings will be made on IWO JIMA. MIKE Day is the day of other landings on positions to bo announced. HOW Hour is the hour of the principal landing on IWO JIMA. NAN Hour is the hour of secondary landings* on IWO JIMA. HOW Hour for IWO JIMA is now estimated to be 0900 DOG Day (Zone minus TEN), last Longitude Da.to, •. .

(12) Use the Special Air and Gunnery Target Map Grid System shown on charts issued.

(13) Damaged ships will beach, if necessary, in shoal water off the established beachheads, provided such action will not permit them to fall into enemy hands,

(14) Operating areas, points, retirement, and shipping routes in the vicinity of the objective are as shown in Operating Areas, Annex (#)

(15) Vessels and aircraft equip for smoke and, when directed, lay smoke in accordance with Smoke Plan, Appendix (IV) to Protective Plan, Annex (K).

Ali^seaplanes will be treated as friendly unless posi­ively identified as enemy. Friendly and enemy planes which

may operate at the objective are shown in Eecognition Qharts distributed .separately as appendices to Annex (B).

(17) USF-10A, with Amphibious Force Supplement, is effective, Maneuver in accordance with USF-1OA and Cruising Diagrams, Annex (D), Conduct training excercises ,of ships, aircraft, and troops at every, opportunity.

OaF/A16-3(l) Serial? 000280

Operation Plan GomPhibsPac No, A25-44

(18) Initiate harbor development as early as practicable« but not in such a manner as to interfere with combat operations, or the unloading of Landing Forces and Garrison Troops.

(19) Provide for security, command, unloading troops and cargo, and harbor service at objective in general accord with SOPA Instructions, Annex (N), and Unloading Plane for Assault and Garrison Forces, Annex (0).

(20) When no longer required by the Attack Force« transfer to the local Commander of Naval Activities ashore;

a, 6 LCI(G), 5 LSM, 1 AN, 1 ABL, 12 patrol craft (but none of these of! tho control type), 12 LOT, and all pontoon barges and causeways unloaded,

b. Boat pools in accordance with Boat Pool Plan, Annex (S),

£, LST(M)I8 676 and 678 will act as fuel storage vessels and supply tenders for small craft; and as station ships for transient officers and-enlisted personnel until otherwise directed and will then proceed GUAM fot use in subsequent operations. Postal personnel of the JIavy anoVMarine Corps will be embarked at Pearl Harbor on LSI 809 prior to the operation, for establishment of a temporary Fleet and Marine Post Office.,

(21) Submit action reports in accordance with PacFlt 1CL-45, Ships of FIFTH Fleet furnish Commander FIFTH Fleet and ComPhibs-Pac with a copy of fuel and mileage reports required by Para­graph 3682 of USF-10A. All ships furnish CoraPhibsPac with a correct roster of officers upon joining.

(22) a,. The point of origin of reports of radar contacts with unidentified air and surface craft in the VOLCANO Islands Area shall be the point of origin shown on the gridded charts at the Southern end of IW9 JIMA (the highest peak of the VOLCANO, SURI-BACHI Mountain) and is assigned the name "Point HOTROGKS". Coordinates are as ..follofti Lat, 24-45-11 N; Long. 1 4 1 ^ 1 7 - 2 8 J U ' • ' • " '

b, Badar re; conferred to- this point of origin b;

Sei&al: 000280

Operation Plan ComPhibsPac No. A25-44

Bo 1, Shore Based Air Defense Centers on the Local Air

Warning and •Inter-Fighter Director Nets*

2, All reporting vessels within 25 miles from "Point HOTROCKS",

3, Ships operating singly or on detached duty when in direct radio communication with OTC at objec­tive.

£. Tessels in dispositions more than 25 miles from "Point HOTROCKS" will report radar contacts to their OTC in accordance with USF-10A.. If the OTC decides to trans­mit summaries of,plots of enemy positions- to stations dutside his disposition, he will, at discretion, trans­mit them either in Latitude and Longitude, or in bear- . ing and distance from "Point HOTROCKS", Latitude and Longitude may be used in reporting distant contacts.

d. Except for ships in dispositions over 25 miles from ~ "Point HOTROCKS", all stations in the objective area

transmitting contact reports will clearly state the point'of origin of polar coordinates used; for example, after bearing and distance, say "From HOTROCKS", or "From ORIGINATOR" , or-"From CENTER",

(23) Task Force Commanders will take measures to prevent attacks on friendly submarines. Operating zones, bombing and attack re­strictions are prescribed in CinCPOA Standard Operating Proce­dure SOP-1, Addendum 6 to SOP-1 and current CinOPOA zone notices, Air-Sea rescue procedure is prescribed, in CinCPOA Standard Opera­ting Procedure, SOB-2, and Addendum 1 to SOP-2 and Annex (I) of this Plan, The Senior Officer of a combatant air or surface unit proceeding into the area west of 156° East Longitude, shall make certain that the unit has in its possession either the latest effective addendum to CinCPOA SOP-1, or pertinent infor­mation therefrom,

(24) Instructions for operations in heavy weather at the objec­tive in accordance with Heavy Weather Plan, Appendix (II) to SOPA Instructions, Annex (N).

(25) Whenever a large number of «hips and craft of the Joint Expeditionary Force arc gathered at one of the atcging. points, all ships shall remairr darkened from sunsofc until sunrise, re­gardless of the local port regulations regarding darken ship, except that essential ligh&S .necessary for loading and other

:. -'.24.­

CAF/A16-3(l) Serial: 000280

Operation Plan ComPhibsPac No. A25-44

similar activities may "bo used, but these must be capable of being extinguished on short notice.

(26) Commanding Officers will insure that all personnel not needed in exposed stations shall take shelter during air raids and surface battle*

4. Logistics in accordance with Logistic Plan, Annex (P). Ail large vessels including transports find LST*s be prepared to fuel des­troyers and smaller vessels. In accordance with separate direc­tivest ships of the following types are being equipped and instruc­ted to transfer ammunition at seas. AS, AEE* CA, and DD. Ships directed to return to rear bases should transfer to other vessels before departure as muck.fuelt ammunitioa> smoke equipment, and provisions as practicable. Medical Services in accordance with Medical Plan, Xnxiox ($)_, Services for seaplanes in accordance with Seaplane Base Plan, A?ii©x {Il)r Joroc raid Group Commanders maintain accurate delly information ns to the f\*©l situation in their vessels, and arrange direct with SOPA for required fuel, submitting requests well in advance of recommended fueling dates.

5. (a) Communications in accordance with USF 70-A; CentCoraTWO} Com­; munication Plan, Annex (P), to Commander 3TIFS?H Fleet OpPlan No«

13-44; and Communications Plan, Annex (C) to this plan. Be pre­pared to use MERSIGS when so required, as when XAP's and XAK's are in a disposition. Battle communication plans will be used for re­hearsals insofar as radio silence requirements permit. Subsidiary communication plans will normally become effective when operation orders become effective pud should be so written. Attention is in­vited to the necessity for maintaining communication discipline» as directed in para^aph 2120 of Annex (F) of OpPlan Cen 13-44t AlPac 50, and CentComTWO; and of maintaining radio discipline on all cir­cuits. Maintain complete radio silence on all radio equipment which might cause"transmissions on frequencies less than 30 megacycles from time of crossing 180th meridian until arrival at objective, except as required b,t enemy contact or disastrous emergency? Tem­porary relaxation of radio silence on frequencies necessary to con­duct scheduled rehearsals may be ordered as conditions permitP Make minimum use of TBS and essential VHP aircraft and tactical circuits and use only when visual will not suffice, Do not use SCR 608-610, MH or HAH equipment during daylight, aud only as required by tactical necessity at night, while enroute. Commanders of Units and Command­ing Officers will exercise most careful supervision of TBS and other voice circuits to eliminate improper,and uiinecessary trans­missions. While at OaltOLDIES, MABSJiALLS arud . aElANiiS bases, Porce and Group Commanders supervise despatch cpmimiiieations to prevent disclosure of prospectii^^)jB»-j^iins^)y^*ndarfcBiBriftWf our radio

eration Plan ComPhibsPac No. A25-44

traffici Despatches -of sufficient importance to warrant trans­mission by radio must be cleared through the SOPA, and sent ashore by boat and filed at local shore radio'station* This traffic must be held to an absolute minimum and should be of low -precedence un­less of the most important character, .. .,.

(b) In accordance with orders issued by the Commander in Chief, 1J, £>, Pacific Fleet* The Commander F^st Carrier Task Forces; the task'group commanders of Fast Carrier'2ki.sk Forces j^he Commander, or the- Second in Commandf<'of Joint Expeditionary Force; and Com­mander Attack Forcet the Commander Amphibious Support Force, .and the Commander Joint Exyedit4on/:'.rfr Force Reserve will command the task organizations to which they are assigned, regardless of relative rank of other offibers in the task forces or task groups.

(c) Initially the Oogwander Joint Expeditionary, F<orce> commands all task organizations at all objectives through interrelated attack force or group commanders. He commands support aircraft, and air defense as it Tcrecomes available at each objective tlirougft. command channels design?,ted by him, '

(d)-The Oommandindj General Expeditionary Troops will, be embarked * in the flagship of the Commander Joint Expeditionary Force or stationed ashore when the situation requires, and will command all landing and! garrison forces that are ashore. Since the employment of troops, including the reserve troops engaged in the seizure of objective, is subject to the capabilities of the surface units to land and support them, directives issued by the Commanding General Expeditionary Troops as to the major landings or as to major changes in tactical plans during the amphibious stages require the approval of the Commander Joint Expeditionary Force before they e issued.

e) At each objective, the related Commander Attack Force will 'command the landing force through the related Commander Landing

igj?for ship-to-shore operations. For shpre-.to-shore operations,, the"|iLanding force will be under the direct, command of the Commander anding Force, and' naval craft and supporting forces will be under the/ command of the Commander Attack.Force concerned. As soon as the•Commander Landing Force determines that the status of the land­ing operations permits, he will assume command on shore and report that fact to the related Commander Attack Force.

(f) Landing Forces, after their respective commanders have assumed command on shore, will be under- the overfall command, of the Com-

Jmanding General jpxpeditionary Troops» Garrison Force Commander, "(Island Commander) ie initially under the command of the Commander

- 36 ­

CAtf/Al6-3(1) Serial: 000280

Operation Plan V ComPhibsPac No. A25-44

Landing Force. Garrison Force (Island) Commander will exercise direct command over units of the garrison forces except those temporarily attached to the landing forces. The Commanding General Expeditionary Troops will retain command' of all forces established on each objective until the officer Commanding the Operation has determined that the situation is such that the capture and occupa­tion phase at that objective may be considered completed.- The 'Officer Commanding the Operation will then direct that command cf all forces at that objective pass to the Garrison "Force or Island Commander. .

(g) The Commander FIFTH Fleet will determine and announce when the capture and occupation phase is completed, whereupon the Commander Forward Area will assume responsibility to him for the defense and development of positions captured. The organization and admini­stration of the captured positions «nd of the defense forces assign­ed will then conform to directives issued by the Commander in Chief, Pacific Ocean Areas, to the Commander Forward Area and to the Gar­rison or Island Commanders concerned.- When the situation permits, the Commander in Chief, Pacific Ocean Areas will relieve the Comman­der FIFTH Fleet of the responsibility for all positions captured. Thereafter, Commander Forward Area will be responsible direct to • the Commander in Chief, Pacific Ocean Areas, the newly captured positions will be incorporated into the Forward Area: and their garrisons into the task force commanded by the Commander Forward Area.

(h) At the objective,.the Commander Joint Expeditionary Firce, or such other commander, afloat or ashore as he may designate, commands support aircraft through the Commander, Air Support Control Unit embarked in his flagship, from the time that the aircraft arrive on station until their departure for recovery by the parent carrier. Prior to their reporting on station mid after departure for re­covery, these aircraft will operate under the command of their respective carrier gr?up or unit commanders. When the Commander-Landing Force Air Support Control Unit- has been established on shore, he will, under the Commander Landing Force, control such support aircraft in troops support and combat air patrol missions as are assigned to him by Commander Air Support Control Units. The Command coordination of all supporting aircraft shall be re­tained by Commander Amphibious Support Force and-exercised by his attached Commander Air Support Con|&Q&»I)bp-t prior to arrival at the objective of tl~p^bmnia^|^^Qintfa^eiftitionarythe objective of tl~p^bmnia^|^^Qintfa^eiftitionaryForceRe ­Force. Re­sponsibility for air*defense'4fiil'""pass from the Commander Air Support Control Uniltff the Air Defense Commander ashore when so

' The officerdirected bythe fUtili'lf^ifc'fl MiiW'i fc1'designated as t P i l v H w S H H W H T V E ^ I ^ i c designated

6-3(1) lal: 000280

Operation Plan ComPhibsPac No. A25-44

to act for him will rep«rt for operational control to the Commander Air Support Control Unit* He will proceed ashore p.b the earliest practicable time and act under the Commander Air Support Control Unit as, directed, in matters pertaining to air defense. He will act in this capacity until such time as responsibility for the air defense of the base passes to him. If.the Commander Joint Expedi­tionary Force is to be temporarily absent from the objective areaf he will delegate the responsibility for air defense to such other commander, afloat or ashore, as he may deem appropriate. In this event, the Air Defense Commander will report to the Commander so designated.

(i) Use Zone ZERO Time in date-time group of dispatches. At all times while west of longitude ONE FIVE SEVEN THIR!ftf East Longitude, use Zone Minus TEN time as local time, and use Easfe Longitude Dates. HOW Hour, and other lettered hours, will be expressed in Zone Minus TEN (K) time, East Longitude Date. When time is used in the text of dispatches, include the appropriate Zone description letters.

(j) Commander Joint Expeditionary Force; Commanding General, Ex­peditionary Troops, and Commander Air Support Control Units in ELDORADO. Attack Force Commander» Second in Command, and Commanding General Landing Forces in AUBURN. Commander Amphibious Support Force in ESTES, . -:

R. K, TURNER, Vice Admiral, U.S. Navy,

Commander T.F, 51, Joint Expeditionpry Force,

and ComPhibsPac,

General Instructions for the Amphibious Phase of the Opera-Intelligence Plan. . tion. Communication Plan. Cruising Diagrams. Approach Plan, Preferred and Alternate. Transport, Fire Support, and Beach Areas - (F-l) Preferred,

(F-2) Alternate. Attack Order, ComPhibGrp 2 No. A201-44. i Ships* Gunfire Support Plan. J Air Support Plan. Operating- Areas.

- 28 ­

CAF/Al6-3(1)Serial: 000280

Operation Plan ComPhibsPac No. A25-44

(K) - Protective Plans. (L) - Minesweeping, Mooring Buoy, and Net Plan, (M) - Beach Reconnaissance and Underwater Demolition Plan. (N) - SOPA Instructions. (0) - Unloading Plans for Assault and Garrison Forces. (P) - Logistics Plan, (:}) i- Medical Plan. (R) - Salvage Plan. (S) - Boat Pool Plan, (T). - Pontoon Barge and Causeway Plan. (U) - Seaplane Base Plan, (V) T Evacuation of Assault Troops Plan. (W) - Public Relations Plan.

-29­

CAF/A16-3(1) Serial: 000280

Operation Plan ComPhibsPac No. A25-44

Distribution

Cominch (Airmail) CinCPac .ComFIFTHFleet ComGenPOA. ComrrflRDFleet CinCSWPA ComSEVENTHFleet ComNorPac ComSoPacComAirPac ComDesPac (ComCruPac) ComServPac ComSubPac ComHawSeaFron ComAirSoPac • ComBatRon 2 ComCarTransRonPac . JICOPA • Weather Central, PEARL • Radio HONOLULU

(13) idaj.Gen. CHANEY AC <CTG (10) Brig.Gen, MOORE AC (CTG (p) ComASCU, PhibsPac (5) ComPhibGrp 3 (3) ComPhibGrp 4 (1) ComPhibGrp 5 <3) ComPhibGrp 6 (1) ComPhibGrp 7

. (1) ComPhibGrp 12 (2) ComPhibGrp 13 (Z) ComServRon 10 (2) ComServRon 12 (2) ComServRonSoPac (1) IsComSAIPAN (1) ComNavBaso SAIPAN (2) AtComENIV^ETOK (2) IsGomGUAM (1) ComNOB GUAlf

(1) IsComTINIAN (1) AtComUXiITHI

ComFwdAreaCentPac (For Dist. ) (30) SCOFA CoMlnPac ComPhilSeaFron Com1;»"e sCarSubArea ComGenFEAF • ComAirFwd < ComFairWingONE ComTHIRDPhib ComSEVENTHPhib AdComPhibsPac ComMarGilsArea ComNavActENIWETOK ComGenlOth Army ComGenAAFPOA ComGen21stBomCom ComGenFMFPac ComGenAirFMFPac ComGenlUPhibCorpsComGenVPhibCorpsComGenlstMarDivComGen2ndMarDivComGen3 rdl/iarDiv ComGen4thMarDivC omGenS thMarDiv ComGen6thMarDiv

(5)(1)(1)(1) (5)(1)(3)(1)(10)(1)

, (2)(3)(5)(1)(10)(2)

10.16) (1) 95.7) (1)

(2) (1) (3) (1) (1) (1) (3) (1) (4)(4) (1) (1) (1) (1)

• (1)

ELDORADO ComSeaPlaneBase SAIPAN Attack Force (TF 53)

ComPhibGrp 2 (CTF 53) AUBURN ComASCUPhibGrp 2 ComTransRon 16 (CTG 53 .1) CECIL (SF) DEUEL D..RKE HOCKING . TOLLAND BRISCOE WHITESin^f^

^j^^1) A4^S@&]!p iff_ 1J (2) ¥ % t (2)

|': lllP m i l l |l'•'Snfly^SL (2) \% ) *B ^ O L T ^ H4ITLEY (2)

', (3) •.'" HANSFORD ' (2) ^ ^ ' (3) BRULE (2)

0) YANGEY (2) » (1)

jCpiiifcF^Bftam1!\TU 53 .1.2) (2)

(1) (1) (1) (2) (2) (1)

(20) (2) (2)

(5) (2) (2) (2) (2) (2) (2) (2)

- 30

• •

* • .

f/Al6-3(ltrial: 000280

)peration Plan JomPhibsFac No. A25-44

^^^?^w Distribution

ComTransDiv h& (CTU 53.1.3) (2) ConiloTGrp 13 (CTU 53-3-3) ' ' (1) TALLADEGA (F> (2) LbT 70, 390, 446 (F), 481,

4 MISSOULA (2) 634, 753, 1033 (1) ec. ' DICKENS (() Co^iI^TGrp 61 (CTU 53.3.5) (1)

.'- LUBBOCK (2) LST 5S7 (F) , 642, 716, ?23, LSNAi/VE -. . (2) 761, 730, 930 (1) ea. WYANDOT . (2) ComLSTGrp 9 (CTU 53.3.6) (1) ATHENE (2) LST 684, 713, 731, 7£7, GUNSTON HALL (2) 789, 928, 931 (1) ea.

ComTransRon 15 (CTG 5 3 . 2 ). CcmLoTFlot 29 (CTU 53.3.7). (1)iBAYFIELD (SF) ROOKS (1) LffllXETfil (2) LCI 423 (1) HENDRY • (2) ComLSTGrp 86 (CTU 53.3.8) (1)SIBLEY (2): LST 760, 763, 764, 779,BEPJIIEN (2) 726, 792, 784, 1031,SHOSHONE (2) 1032 .-, (1) ea. ARTEMIS ' (2) ComLoTGrp «5 (CTU 53.3-9) (1)OZARK (2). LST 42, 121, 224, 399,

ComTransDiv 4 4 (CTU 5 3 . 2 * 2 ) . (2) 807, 940, 782 (F), HIJJSDALE (F) (2) 785, 795 . (1) ea. PICKENS (2) ComLSMlot 5 (CTG 53.4) ( l )SANBORN (2) LCI 628 (1)NAPA (2) CcJLSlGrp 13 (CTU 53.4.1) (1)

• BLADEN (2) LSK 43, 44, 46, 47, HQ, SOUTHAliPTbN (2) 141, 215, 236, 242, . STARR : (2) 261, 264 (F), 266 (1) ea. BELLEGEOVE (2) CoraLSJLGrp 14 (CTU 53.4.2) (1)

ComTransDiv 45 (CTU 5 3 . 2 . 3 ) (2) LSM 48, 59, oQ, 145, 201, LOGAN (F ) (2) 202, 206, 207, 238,

,RRY (2) 239, 241, 260 (1) ea. N . (2)3 • . • Control Group(2)

(2) (2) FCE 877, PC(3) 1403, 1421,

£HEN (2) 1452, 1455, 1460, 1461, (2) PC 463, 469,578, 1081,

TFlot 21 (CTG 53.3) (2) SC 1049, 1066, 1272, 724, 1298,. 1315, 1316,

'GREGORY (Fighter Director) .1326, 1374, 1360 (1) ea. LCI 994 ' (1

JomLSTGrp 18 (CTU 53.3.1) Pontoon Bar^e & Causeway Group(1 LITTLE (1) (TG53.7) LCI 995 (1)

f ComLSTGrp 62 (CTU 53.3.2) (1) LC|m ' (1)

i£ LST 241, 354,$S8, 643, ComLUTGrp 4B (CTU'53.7.5) (lj 715, 756 (F), 929 (1) ea, 998 (1)

- 3 1 ­

Serial: 000280

Operation Plan ' V

CoroFhibsFac No. A25-44

Distribution

Transport Screen (TG 51.2) E3TS3 Coi&iSCUFhibGrp I

' CoinDesRon 63 (CTG 51.2) (2) HYMN (F) > (1) BAY . -. *» *»* ^ » m v> w ^ * 1 1 ii 1 r i " r 1 " , ^ - ^ - y £ I O U N D MaNNERT L. ABSLE (Fighter ComDesDiv 12

Director) (1) PUTNAii (1) ZELLaRS (1)

CcainDiv 7 (1) ROBERT H* SMTH (Fighter ^ 3 . BULL

Director) (1) ConisCarForPac (CTG 52.2) ROBERT H. SL2TH (1^ FR/iZER (1) SKiNNON BISikARCK 3 E H.JIRY F.. BiiUER (1)HENRY A. WILEY (1)

ConiDesRon 45 (X) ComDesRon 6 FULLiM (F) GUEST (1)

* BENNETT (1) GRIDLEY - f BENNETT (Fighter Director) (1) M. RO^'ELL ()

HUDSON (1} HUDSON (Fighter Director) (1) ComCortDiv 72

% HALFORD . (1) LAJ'ja^WCE C. THYLOR

•CfoiaDesDiv 90 (1) iiELVIN R. KAifl^N (F) ..:-., v(l) OLIViili iJTCKELL

V (1) " TABBEREH HOir/ORTH . (1) xiOBSET F . KLLLEH

ComDesRon 53 (1) ' CoiaCarDiv 2 3 (CTU 5 2 . 2 , 3 ) 3; ; VAN V^LKEHBUBGH (F) S H G I & ^ BAY

COLHOUN FETROF BAY COLHOUN (Fighter Director) SHIPLEY

HELk" RIDDLE

, CONNELLY FIKNEGM

CoiaCortDiv 4 4 3.3. iuILES (F) 52.3.1) WESSON .

Aiuphibious Support Force (TF 52) HOViaY DORSEY

ComFhibGrp I (CTF 52) HOfARD

CAF/ Seri

A25-44

tribution

HOGiiN CD BRESS'S (i)

CowinR-.r* 12 (CTU 52.3.3) (F)

S?i.JJKCH

SPECTACLE SPECTOR TR*CY :«• SEREIN . '.X) SHELTER CD STRATEGY STRENGTH a) SUCCESS REBEL PC 800 ()CHAHPION (D ARDENT (i)DEFENSE a)DEVASTATOR (x;PREBLE (x)

ComYiiSType (CTU 52.3.6) (i) YiuS 323, 362, 374, 401,

411, 478 (F) (1) ea. LINDSEY

e a . SC 775, 1028, 1054 (1) YLS 193, 235, 345, 361,

e a ..475, 407 (1) a))(1) (1)

ac (CTG 52.4) (2) (1)

(Sweep Unit) (1) (1 , ETERS

FATERS (Sweep U n i t ) (1) BULL (1) BARR (1) BLES5LAN

' ( « '• BHTES

(1) T JDT 1 1 (BATES) (1) k UDT 12 (BARR) (1) f-* UDT 1 4 (BULL)

- 33

;ilT 15 (BtESStaH) . C1) ^ ( L ) F l o t 3 (CTG 52.5) 1J ic: ?sa w

l o t 3 (CTU 52.5.1) U) 450, 466, 469, 471, 473, 474, 627 (1) ea.

ComLC' GroupS LCI 346, 34S, 438, AU,

V49, 457 ( Coml.Co'DGrp 7

LCH1) 31, 32, 33, 34, 35, 36> 51, 52, 53, 54, 55, 56 (1) ea .

ComLCT-Hot 21 (CTG 52.6) (1) LCI i*25 ,- N (1) ^

CoraLdl-p 61 (CTU 52.0.1) LCI 'v;0, 631, 632, 638, e a #

75*. 1010 W C&ffiLCIGri> 62 (CTU §2.6.2) (U

LCI 03; 757, 760, 1011, ^ a < 1012, L'.)*3 , ^

ComLCIGic 17 (CTU 52.6.3) ( 1 ; LCI 71-S-, 740, 741, 742,

10*8, 1059, 658, 659, 6 J O , 754, 1056, 7 0 ^ (1) ea*

ComLCIC rp 67 (CTU 52.6.5) (D LCI 1.51, 352, 353, 354,

^55, 356 (1) ea. CoinLCIi'lot 16 (CTG 52.7) (1) ComlXIGrp 63 (CTU 52.7.1) W

LCI 642, 651, 707, 708, 771, 772, 1029, 1030, 80, 345, 437, 1077 (.1) e a«

GunEire Jid Coverinp Force (TF 54)

ComBatilon 1 (CTF 54) (4) aJLIFORNLv (FF> (2)

C.oaiBatDiv 3 (2; (2) (F) (2)

ConiBatDiv 4 -(2) NIA (F) (2)

­

CAF/Al6-3(1)Serial: • 000280

Operation Plan CoiaPhibsPac No,

Distribution

COLORADO ComBatDiv 5 TEXAS (F) NE..r YORK

CaniCruDiv 4 LOUISVILLE (F) PORTLAND INDLiNAPOLIS '

ComCruDiv 5 CHESTER (F) FENS^COU SALT LJffi CITY TUSCxtLOOSA

CumDesPton 46 CHPPS (F) TERRY DAVID ¥. TAILOR EVANS JOHN D. HENLEY .

ComDesRon 51 HALL (F) KALLIGAN

FAUL HAMILTON T;;IGGS

ComDesRon 56 LEUTZE .

BENNION (Figl'iter Director)

RICKARD P. LEARI HEY»i«)OD L, E&L.R STSiiBEL STELJ3EL ( F i g h t e r D i r e c t o r ) BRYiiNT

(Fighter Director)

Joint Expeditionary Force Reserve "• (TG 51­

ComTransRo; FRELONT (F FAYETTE C2; KWOX (2)

(2) HARHY (2)

(2; ./ARRICK (2)

CoaTransDiv 32 (CTU 5 1 . 1 . 3 ) (2) PtiESIDEKT JACKSON (F) (2; PiO&IDENT ,J)^B (2; DOYEN (2) BCLIVAR (2) CnFlL JOhNSCK (2) UBxiA (2; JUPITER (2)

ComTransDiv 33 (CTU 51.1.4) (2) CALLii-^Y (F) (2) FltiiD, FUN3TON (2)

0"f Mii (2) (2)

iSRCULSS (2) ALKENA (2

CoiiiDesDiv 90 (CTU 5 1 . 1 . 5 ) CD ALThONY (F) (I, BUSH (1) BUSH (Fighter Director) (1)

(1) (1)

BRADFORD (1) BOYD (1) STE3K ' (1;O'NEILL a;

CoiaService & Su Grp (CTG 51.3) (i)

AGENOK (i) (i) (i)

GEAR. (i) SHACKLE (i)

LUNSEE (1) R 30 (1) ea. , 1396 (1) ea.

L3 (CTG 51,5) L3T 84, 766, 222(F),

(2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2J (1) (1) (1)

(1) (1) (1) (1) (1) (1)

1 (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1)

247, 449, 477, 641 - 34 -

ea.

>n Plan sPac No. A25-44

LST 724, 738,790, 676, 678, 808,809, 943, 944 (1) ea.

GRADY (1) LSM 143 (1) PC(S)-1404, 1457 (1) ea. PC 779,1538 (1) ea. SC 1270 (l)

• ComGarrisonGrp ZERO (Capt. k'acgowon)' (CTG 51.6)(1) CiiNFIELD (1) DESDE , ;(l) ELDEN* ' (1)

..ComCortDiv 61 . .(l) RALL (F) * (1)

ComGarrisonGrpONE '(CTG 51.7) (Capt. Lustie) (l)

ZEBRA (l) SILVERLEAF (1)

" CANOTlA (1) ComCortDiv 16 (1)

.• W.G.iJLLER (1) •':• CABANA (1)l.' DIONNE (1) VO, GroPac 11(CTG 51.3) (Cdr. Darling) (3)

Seaplane Base Group (TG 51.9)

(2) *GUE (1)

Task Force in CamFIFTHFlt OpFlan

st CarTaskFor . (3 .d CarTaskFor , .(3

tDiv Coms (2)' ea

R. HO»ffiLL f o r - •

; c . MOTT, lieutenant-Commander, U3NR.,

Flag Secretary.

CruDiv Corns' (2) ea. CarDiv Coms . (2) ea. DesRon Coms • (2) ea. DesDiv Corns (2) ea. BBs, CAS, CLS, CVS, CVLS(2) ea.

F Lee-t Oiler Group

ComServRon 6 (CTG50^8) (3; DETROIT ' (1) P l f T V "r"?'n 7"> W (~\ \

itUiyXxtiliy JJAX • \JLI

SAHGENT B A Y (l) ComDesRon 1 . (l) CoinDesRon 19 (1)

• C^iCortDiv 32 - (I)-ComCortDiv 49 . (l)

Air Search andRecon. Grp.

KENNETH ,-HITING (1) POCOiDKE (1) ST. GEORGE (1) M.-.CIJNAC .. (1)

(1) COOS BAY • (1) SHELIKCF (1) ONSLOr/ (1) CASCO (1) CHANDELE'UR (1)ComCortDiv64 (4)

DISTRIBUTION (Deferred)

C N C . •'•• ( 5 )

Naval rfar College (l) iirmy Navy Staff College (I) Marine Corps School . : (l) C&GS School, LEftVMr.VOETH (1) Comdt iJarCorps ; . (l.) CowFhibTraLant • " ' (5^ ComPhibTraPdc (20) ANNIS , •••*(!)

'Amphibious Training Base, Ft. Pierce ' ' (1)

Operation Plan ComPhibsPac No. A25-44

ANNEX (A) . •

GENERAL INSTRUCTIONS FOR THE AMPHIBIOUS PHASE OF THE OPERATION

Reference: (a) Cincpoa Joint Staff Study of the operation, serial 000119 of 7 October 1944 (Change No. 1, Serial 000130 of 23 October 1944).

(b) Cincpoa Establishment of IWO JIMA, Plan for, serial OOOS85 of 11 October 1944.

(c) Cincpoa OpPlan No. 11-44 of 25 November 1944• (d) Cincpca serial 00Q1003 "Garrison Shipping" of 19

November 1944•

1, The task of the operation is the capture of IWO JIMA. The references give details of the desired plan and development of the base. The date of the attack will be influenced by the progress of Commander Southwest Pacific Area's M-l Operation for the capture of LUZONA but is set now for February 19, 1945, Eastern Date, This operation is preliminary to further operations by the FIFTH Fleet. The Joint Expeditionary jFgrOjK a part of the FIFTH Fleet, will-be supported by the major qoi&^ant strength of the pacific Fleet, and by land-based aircraft ©£ th© Pacific Ocean and the Southwest Pacific Area.

2« The Joint Expeditionary Force for the operation will be organ­ized as follows;

(a) Task Force 51, comprising-task Forces, 51, 52, 53, 54, and 56, under Vice Admiral TURNER, U,SfN., wit-h Rear Admiral H. W. HILL, U.S.N., as Second-in-Command. 'Task Force 51 numbers will-be assigned for most of the movements to and from the objective, and to certain task groups and units operating at the objective. Beginning at 0700(K) on Dog Dayy Vice Admiral TURNER will also assume command of Task Force,52, less detachments.

(b) Task Force 56, the Expeditionary Troops, comprising the-assault forces and assigned elements of the garrison troops,

' under Lieutenant General H. M. SMITH, U.S.M.C.

(c) Task Force 52, the Amphibious Support Force, initially under command of Rear Admiral BLANDY, comprising assigned gunfire support vessels, certain CVE^, minesweepers, and Underwater Demolition Teams* After arrival at the objective, the operations of all aircraft and gunfire vessels from other forces, while they are engaged in direct attack on the objective, will also be under this command. At 0700(K) Dog Day, command of Task Force 52, (less detachments) will passTask Force 51. There^^j^p ift^l Ac||i^|fli.JlHP l ^ - R p o r t to Commander Task Force i

Operation Plan CornPhibsPac No, A25-44 (Annex (A) - General Instructions for the Am­

phibious Phase of the Operation)

command of Transport and Tractor Night Retirement Groups; and, when directed,-will assume command of-waiting groups in Areas CELLAR, PARLOR, and PORCH, "' . ; .;.

'(d) Task Force 53, under Rear Admiral-HILL, will comprise the Attack Force consisting, of transports, Landing Force troops, escorts, control vessels, and other assigned units. The Landing ­Force will be under the command of Major General Harry L. SCH&£IDT, U.S.M.C., Commanding General, FIFTH Amphibious Corps. The Landing-Force is composed of the THIRD, FOURTH, and FIFTH Marine Divisions,­respectively commanded-by Major Generals ERSKINE, CATES, and ROCKEY, U.SfM.C. Upon landing, Garrison Force Troops not forming part of the assault troops will be under command of the Island Commander, who in turn will be under command of the Commanding General of the Landing Force, so long as the latter remains at the objective.

(e) Task Force 54,'under H M Admiral H M I , is the Gunfire and Covering Force, composed'of OBBs, cruisers, and destroyers, -This force will assign vessels for executing shore bombardment as required by Commander Task Force $2$ and will provide cover in the vicinity of the objective against enemy surface attack,

(f) Task Group 51*1, under command of Commodore LOOMIS, will be one transport squadron carrying the THIRD Marine Division, under Major General ERSKINE, U.S.M,C. as Expeditionary Troops Reserve, The THIRD Marine Division.is an integral part of the Landing Force, but it will be employed only when directed by.Commander Task Force 56, as-approved by Commander Task Force 51» If ordered to land troops, Task Group 51*1 will pass to command of Commander Task Force 53, and upon landing, the troops will pass to the direct command of the Commanding General, Landing Force,

3. Task Force 53 w,ill embark troops in the HAWAIIAN ISLANDS and hold preliminary rehearsals there. Task Group 51*1 will embark troops at GUAM, Task Force 52-will assemble for preliminary training at ULITHI, All of Task Force 51, less TG 51.1 and Defense and Garrison Groups will then assemble at SAIPAN for final rehearsals prior to proceeding to, the objective. TG 51»1 will^not participate in SAIPAN rehearsals, but will sail from GUAM direcU^k the objective>

k* Naval elfmritygifjjie Joint Expeditionary Force from HAWAII will move to M I W M J ^ . ^ ^ R u p p l y , and then to SAIPAN.. At SAIPAN, vessels other t h a n # ^ * i S A p s , transport type0, and LSTfs will be topped off with ^u^t(||/fehr|p^ Xir ~h are hot self-sustaining- in water will be topped o^fa3J%wBlir^ as, rg^fulred. The movement of supply vessels will be as

Commander FIFTH Fleet, ;

-"x , . (A) - 2

Operation Plan General Instructions for the Am-' ComPhibsPac No. A25-44 ('Annex' (A)

Fhase of the Operation)

5. The landing attack on IWO JIMA will be made on the southeast coast>} (preferred), or on the northwest coast, (alternative plan), the landing being delayed as necessary, to ensure reasonably favorable weather. The Commander-*n Chief, U. S. Pacific FieH, has been re­quested to provide long-range weather forecasts. The Landing Force .Tactical Plan is outlined in Appendix (I).

6. The Assault Troops will include selected elements of the Garri­son Force. The main strength of our own shore anti-aircraft, coastal battery elements, and ground aircraft formations will begin to arrive at the objective one day after the initial landings* The Expedition­ary Troops Reserve will be sent forward in time to arrive at the objective on Dog plus 4Nft« The succeeding garrison echelons will begin to arrive at the objective about five days after the initial landings, on order from the Senior Officer Present Afloat at the objective. Garrison echelons, prior to proceeding to the objective, will go to "ENIFETOK or SAIPAN, as directed, to await orders of the Senior Officer Present ,Afloat at the objective.

7. LCT's,self-propelled pontoon barges, and pontoon causeways will be specifically assigned to, and operated under, the direc­tion of the Transport Squadron Commanders, but the execution of their orders will be carried out by the Commander Pontoon Barge and Causeway Group, in cooperation with Commander Task Force 53!s Beach-master, Upon withdrawal of Transport Squadron Commanders, this equipment, plus the Boat Pool, will be turned over to the Commander Naval Activities for operation under the Port Director* It is advis­able to assign all water transport to the Boat Pool for operation, and the pontoon causeways to Gropac 11.

8. Upon completion of the capture of IWO JIMA, and. upon being re­lieved by the 147th Army Infantry Regiment (from NEW CALEDONIA), the THIRD, FOURTH, and the FIFTH Marine Divisions will be evacuated to GUAM, SAIPAN, and GUM!, respectively. Corps Troops will also be evacuated to GUAM,

9. Close cooperation must be effected between opposite numbers of the troops and the supporting elements of the Navy. Personal conferences will be held between the officers of the various ser­vices whose plans require coordination. This close personal coop­eration must extend all the way from the top echelons down to and including boats1 crews and troops. It is most important that Beach Party and Shore Party Commanders prepare joint plans, and engage in joint training; whenever possible, these offic||y|kat least nucleii of their parties will be ^baa^^p^JL^rM itailplyessels. Garri­son Force plans must %%^^^ft%e(^^^ip3t^p|[^)^yij^Jgsault troops.

Operation Plan ComPhibsFac No. A25-44 (Annex (A) General Instructions for the

Amphibious Fha.se of the Operation)

10. Island Commander, in advance of the forward movement, will organize and instruct permanent Beach Parties and Shore Parties, and Port Director and Troop Port Command Units. Nucleii of all these will be sent in with the Attack Force, and form part of the assault Beach and Shore Parties. They will prepare for taking over from the assault Beach and Shore Parties, prior to withdrawal of these elements.

11. Each service embarked in a vessel is responsible to the commanding officer for guarding its own property against theft and loss. Commanding Officers of vessels and troops v/ill ensure that effective steps are taken to prevent such loss, and immediate reports will be made in case losses occur. After debarkation of troops, Commanding Officers of ships will cause a very careful search to be made to ensure that troop property left on board is collected and safeguarded for return to the proper organizations, Disciplinary measures will be instituted where appropriate.

12. All commanders, in advance of the operation-, will take steps to in­doctrinate all hands against pillage and souvenir-hunting; and will assign specific responsibility for preventing pillage and souvenir­huntins. . ,

R. K. TURNER, Vice Admiral, U. S. Navy

Commander T.F. 51 Joint Expeditionary "t'orce

and ComPhibsPac

Appendices:

(I) - Landing Force Plan 3-44 (Preferred) (II) - Landing Fore Plan 3-44 (Alternate)

der, USJEl.,

(A) - 4

T \ ><

X5H

ARRIVE D + 2

DOG DAY H-HOUR

APPENDIX ( I )

TO ANNEX (A) TO COMPHIBSPAC OP. PLAN A25-44

LANDING FORCE PLAN 3-44 (PREFERRED)

The landing will be made on Dog Day by two divisions abreast,

the FIFTH Marine Division on the left, the FOURTH Marine Division

on the right. Each division will be embarked in a squadron of trans­

ports and landing craft commanded by a Transport Squadron Com­

mander in direct control of the landings made by troops from his

squadron. Commander Attack Force, CTF 53, will coordinate

the operations of the two squadrons. Landing areas, boundaries

and initial objectives are shown graphically. Exploitation of the

beachhead will be as circumstances indicate, following the general

tacticiltplam. If the Expeditionary Troop Reserve is required to

Iajt<4v4t w 4 l land as directed. The day and night preceding the

laMlHfg'S, reefs and approaches to beaches will be reconnoitered

and cleared of obstacles by the naval Underwater Demolition Teams,

covered by naval and air bombardment. On completion of the

capture of the objective, the assault troops will be evacuated to

rehabilitation areas.

DET. 4 th MAR. PIV

I!

FROM 5th MARDIV

XX

ARRIVE D + 2

APPENDIX (II)

TO ANNEX (A) TO COMPHIBSPAC OP. PLAN A25-44

LANDING FORCE PLAN 3-44 (ALTERNATE)

0 -1 The landing will be made on Dog Day by two divisions abreast,

the FIFTH Marine Division on the right, the FOURTH Marine Division

on the left. Each division will be embarked in a squadron transports

and landing craft commanded by a Transport Squadron Commander in

direct control of the landings made by troops from his squadron. Com­

mander in direct control of the landings made by troops from his squad­

ron. Commander Attack Force, CTF 53, will coordinate the operations

of the two squadrons. Landing areas, boundaries and initial objectives

are shown graphically. Exploitation of the beachhead will be as circum ­

stances indicate, following the general tactical plan. If the Expedition­

ary Troop Reserve is required to land, it will land as directed. The

day and night preceding the landings, reefs and approaches to beaches

will be reconnoitered and cleared of obstacles by the naval Underwater

Demolition Teams, covered by naval and air bombardment. On com­

pletion of the capture^ of tbe_ojbjective, the assault troops will be eva­

cuated to rehabilitation aije

DOG D A y ^ ^ ^ ^ H-HOUR v