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A N N E X G * „ * • • * .*, - ^ ^ -,; ,

INTELLIGENCE ANNEX

1. Available information of the enemy is being supplied as follows:

(a) "Estimate of Enemy Strength" (ULTRA) is issued weekly in letterform by JICPOA to a limited distribution list on a "need to know"basis.

(b) CinCPac bulletins are sent daily and special in despatch form(ULTRA) to the principal task force and task group commanders.

(c) " ifeekly Intelligence" bulletins published by JICPOA give gen­eral information on enemy activities and are given wide distribution.

(d) CinCPac-Ci£L?OA bulletins containing detailed information onenemy bases are given wide distribution. Bulletin No. 122-44* Vol s.I and II, covers NANPO SHOTO. Air target maps of enemy positionspublished by CinCPac-CinCPOA are given wide distribution.

(e) Models of objectives are produced by CinCPac-CinCPOA and aregiven maximum practicable distribution.

2. Tables of tides, daylight and dark for selected points are pub­lished in CinCPac-CinCPOA Bulletin No. 153-44. These data for ITO JIMAare enclosed as Appendix III to Annex D of this plan.

3. Aerological information is contained in the Aerological Plan, AnnexI of this plan. CinCPac-CinCPOA bulletins contain information on climatol­ogy f°r the particular area.

4. Prisoners of war

Instructions regarding Prisoners of war are contained in PacFlt 43CL­44. Instructions regarding the "Interrogation of Prisoners of War" arealso contained in War Department FM-30-15. Ships transporting prisoners ofwar from typhus areas should refer to PacFlt. Ltr. 23L-44 regarding pro­visional pratique. On all ships and especially those that do not have Jap­anese interpreters, the following publications should be kept available foruse in handling prisoners of war:

(a) "Medical Terms & Phrases for Aid in Treating Japanese Patients",JICPOA Bulletin No. 84-44.

(b) "Elementary guide to Questioning Japanese Prisoners of <1"Know Your Enemy'.", Addendum to CinCPac-CinCPOA 'Weekly Intelligence",Vol. I, No. 10.

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5. Commanders concerned shall forward captured documents and materialsof intelligence or operational value as expeditiously as possible to theJoint Intelligence Center, Pacific Ocean Areas* Particular attention shouldbe paid to red covered books and charts with red borders. These should beforwarded promptly by officer messenger air mail to JICPOA. Instructions onthis subject are contained in:

(a) War Department FM-30-15.

(b) "Captured Bhemy Material", PacFlt Conf. Ltr, 4CL-43 of 27 Feb. 1943

(c) "Care and Disposition of Radio and Radar Equipment Captured fromEnemy", PacFlt.. Conf. Ltr. 35CL-43 of 12 Dee*

(d) "Handling of Captured Enemy Material and Documents", PacFlt Ltr.44L-44.

6. Souvenirs

Instructions regarding souvenirs are contained in 5(d) above, and"Clearance of Souvenirs through Customs1 Authorities", Vice Chief of NavalOperations Serial 2883516 of 18 October 1943 (Navy Department Bulletin 43­1533), wherein it is stated:

"It is the desire of the Navy Department to permit naval personnelnot only to retain souvenirs which have been cleared by proper author­ity, but also to facilitate the forwarding of souvenirs having likeclearance back to the United States by those still in operationalareas. ... Retention by individuals of such small items of enemyequipment is considered to be for the service of the United Statesand not in violation of any laws or regulations," (Underlining sup­plied).

Clearance certificates in duplicate signed by the individuals commandingofficer are required*

7. Intelligence teams will be furnished by JICPOA to assist in the ex­peditious examination of prisoners, materials and documents and the evalua­tion of the intelligence information derived therefrom. These teams are alsoprepared to examine and stamp such captured equipment of souvenir value only.Their stj&mp is intended as an aid to commanding officers in determining whetheror not clearance certificates should be issued,

8. Air technical intelligence teams will be furnished by Commander AirForce, Pacific Fleet and will accompany JICPOA teams,

9. Counter intelligence

(a) Personnel, are forbidderTto1 "Tce p diaries or other compromisingmaterial. i .- :* ^ r

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' • *• w"4-* •*" 1£ * "^f •* T ^ ft •\- |.'(b) All personnel shall be specifically instructed that in event ofcapture they are required to give, and will give, only name, rank, andserial number in response to questioning, and no more,

(c) Personnel who are aware of essential details of impending operationsshall not be unnecessarily exposed to risk of capture by participationin preliminary landing operations or in flights over enemy territory orthe zone of battle, except where absolutely necessary,

(d) No recipient of ULTRA intelligence shall be exposed unnecessarily torisk of capture. Such personnel shall not be permitted to fly over enemyheld territory unless specific authority of the Co.tuTicinder in Chief,Pacific Ocean Areas is obtained in each instance,

(e) Instructions regarding security measures are contained in:

(1) Security measures before arrival in port, AINav 250 (1942),

(2) "Violation of Censorship Regulations", PacFlt. Ltr, 7L-44.

(3) "The Absolute Necessitj' for Radio Silence", PacFlt IntelligenceBulletin No. 3-43 of 7 August 1943.

(4) Photographs of classified nature, AlPac 16 (1943).

(5) "Security of Information", PacFlt. Conf. Ltr. 27CL-44.

(6) Violations of censorship regulations, AlPac 88 (1944).

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Operation PlanConFIFTHFleet No# 13-44

ANNEX H

LOGISTIC PLAN

1. Logistic support for the NANPO SHOTO operation will be furnishedin accordance with Annexes C %nd D to CinCPac and POA Operation Plan No,11-44 (held by'task force and, task group commanders) and this plan.

2. Directives and information contained in this plan are supplementaryto those contained in Annexes C and D cited in paragraph 1, Task forcecommanders will issue logistic plans for thudr forces ar. necessary, con­forming with provisions of Annexes C and D of CinCPac and POA OperationPlan No, 11-44 and this plan,

3. (a) Services in the 1-JiBIAMAS and Western CAROLINES for CentralPacific Task Forces will be provided under the general direction ofCommander Forward Area, Central Pacific, employing the facilities,under his control, furnish&d by Oormander Service Fores, PacificFleet, Commander Air Force, Pacific fleet, Commanding General,U, S, Army Forces, Pacific Oc<aan Areas, and Commanding General,Fleet Marine Forces, Pacific (s*€ Appendix I).

(b) Services in the L{AI13F{AL1.S-GILBEHTS Area for Central Pacific TaskForces will be provided under the general direction of CommanderMARSHALLS-GILBERT8 Area employing the facilities under his controlfurnished by Commander Service F<prce, Pacific Fleet, Commander AirForce, Pacific Fleet, and Commanding General, U. S, Army Forces,Pacific Ocean Areas (see Appendix l),

(c) Commander; Service Scaadron 10, or hie designated representativeswhere present, shall administer the services provided afloat at an­chorages in the kAPJAilAo, Western CAROLINES and at BlflUVSTOK (scoAppendix I)«

(d) Application for services by forces afloat at bases or anchoragesshould be made to Commander Service Squadron 10 or his representative,if present. If no representative o.f Commander Service'Squadron 10 ispresent, application for services should be made to the naval basecommander direct,

4, Logistic support at sea will be furnished by Commander LogisticSupport Group (CTG 50,8) through facilities furnished him by CommanderService Force, Pacific Fleet, and Commander Air Force-., Pacific Fleet(see Appendices I, II, III),

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ComFIFTHFleet No, 13-44 (Annex H - Logistic/P:

5. Task group commanders shall make all possible efforts to effect re­plenishment of their groups whenever opportunity is afforded. Availabletime and facilities will not permit full replenishment of all supplies atsea from logistics ships, but full advantage must be taken of each oppor­tunity to effect partial replenishment,

6. Supply

(a) Fresh and frozen provisions

(1) Available in AF and barges at ULITHI.

(2) Available in AF at ENIYJETQK for forces staging through thatport.

(3) Available in AF at SAJ.PAN and GUM? for topping off forcesstaging through those ports,

(4) Available; in converted L3T at objective for small ships ofthe AttajcJ£j[|orce,

(5) Deliveries at the- objective cannot be expected until theamount of refrigerated shipping has been substantially increased,

(6) Large ships will shn.ro their supplies with small ships asrequired,

(7) Small .ships shall be given preference in issues. Carriersshall bo allocated additional supplies for flight personnel when­ever available. Commanding officers of carriers shall make everyeffort to insure a continuing supply for flying peOonnel of theirships.

All ships returning to main supply points shall transfer pro­visions in excess of those required for return trip to other shipsor shore activities before departure, as practicable- Group com­manders and commanding' officers will anticipate such moves when­ever possible in order to effect this transfer,

(b) Dry provisions

(1) Available in AK at ULITKI.

(2) Available in AF and AK at EMI'vJSTOK for forces staging throughthat port.

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(3) Available T*n $nancfAK'' or ashore at SAIPAN, and availablein AK or ashore at GUAM for forces staging through the MARIANAS,

(4) Available in AK with the Logistic"Support Group. This AKwill be prepared to transfer supplies at sea,(In general,issues will be made only to DDls, DE's and other small ships.This limitation may be lifted by Commander Logistic Support Groupwhen the supply situation permits.)

(5) IX (tanker type) vdll carry limited amounts of dry provisionsfor issue,

(6) Transfer of dry provisions shall be effected as outlined inparagraph (a)(8) above,

(c) Ammunition

'(1) Available in AE and AKE at UL1THI.

(2)•Available'in AK (fast carrier loaded) with the LogisticSupport Group. These ships vdll be prepared to transfer ammunitionat sea.

(3) Available in magazines at SAIPAN.

(4) One AKE (type load) at SAIPAN by D day subject to orders ofCommander Joint Expeditionary Force.

($) Available in assault shipping at the objective in accordancewith instructions issued by Commander Joint Expeditionary Force.

(6) Detailed loading lists of AE and AKE will be furnished allships by the Commander in Chief, U.S. Pacific Fleet,

(7) For transfer of ammunition at sea. Commander Service Force,Pacific Fleet, for CV's, CVL's, CVE's, CA's, CL»s and CL(AA)'s,and Commander Destroyers, Pacific Fleet, for DD's, will insure thatspecial gear necessary is available to ships in the forward areasand that instructions for itie procedure to be followed are in thehands of commanding officers. Commanding officers of the abovementioned types will be responsible for the necessary installa­tions aboard their ships. Commander Service Force, Pacific Fleet,will insure that logistics ships assigned are properly outfittedfor at sea transfer.

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(8) Gonnand^r Lo^istiV QUPPOI'L Group shall have limited amountsof ammunition in addition to that in AE's and AKB's distributedamong appropriate ships of his group in order to facilitatetransfer to other ships during fueling, whon practicable to do so,

(d) Fuels

(1) Fueling at sea schedule for Fast Carrier Force is contained inAppendix I of Annex E of this operation plan,

(2) Fueling facilities for forces staging through MARSHALLSbases will be allocated by Commander Service Squadron 10 Repre­sentative/ ENIWETOK.

(3) Deliveries of fuel by commercial tankers will be made toETUViSTOK and ULITH! as required,

(4) Two AOGfs will be assigned to the control of Commander Joint• Expedition-iry Force, These ships will carry diesel only and willbe prepared to fuel small ships (DE, AM, PC, vSC, LCT, etc) under­way,

(5) Replcnislimont of A0Gf:3 w3,ll be arranged by Commander LogisticSupport Group.

(6) As a general rule, fleet oilers shall not be used for in-port fueling of small ships, except when station oilers are notpresent,

(7) All ships fusl to capacity proscribed by task force com­.uiartders prior'to departure from initial assembly ports andstaging areas*

(e) Lubricating oils

(1) Available as outlined in Annexes C and D of CinCPac and POAOperation Plan Wo# 11-44•

(2) L3T»s will carry limited amounts of Symbol 9370 in bulk forissue,

(f) General stores

(1) Available, an outlined in Annex on C and D of CinCPac and POAOperation Plan Mo, 11-44,

(2) Limited quantities available in ships of the Logistic SupportGroup, ; ."v ^ _ ~*~

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(g) Aircraft replacement

(1) Available in CVE (4 available) furnished by Commander AirForce, Pacific Fleet,

(2) Replacement of fast carrier aircraft in the vicinity of theobjective is scheduled in Appendix I of Annex E of this operationplan, CVE's assigned to the Joint Expeditionary Force mil replaceaircraft from the transport CVE's or GUAIii'pool dependent upon FastCarrier Force requirements from transport CVH's.

(3) Replacement aircraft, flight personnel, and aviation spareparts available as outlined in Annexes C and D o£ CinCPac and POAOperation Plan Mo, 11-44*

(4) Certain ships vdLth the Logistic Support Group -will carrylimited amounts of Section A spares supplied by Commander AirForce, Pacific Fleet,

(h) Water >

(1) Available as outlined in Annexes C and D of CinCPac and POAOperation Plan No, 11-44*

(2) Two AOG-ts will be assigned to Commander Joint ExpeditionaryForce for service at staging points and will-be moved to the3S/IAHIANAS subject to his operational control,

7» Salvage ships

(a) Tugs and salvage ships will be available at MARIANAS bases asoutlined in Annex C, CinCPac and POA Operation Plan No, 11-44•

(b) The Towing and Salvage Plan is contained in Appendix II to thisannex,

8, Repairs

(a) Repair facilities available as outlined in Annexes C and D ofCinCPac and POA Operation Plan No, 11-44,

(b) One ARL and one ARB will accompany the Joint Expeditionary Force,

(c) Attention is invited to CinCPac spcedlettor serial 05632 of 15October concerning the six days per month availability requirementof diesel-powored ships for overhaul and upkeep, quoted in part asfollows:

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Operation Plan IB?-**4**ComFIFTHFleet No. 13-44 (Annex H - Logistic Plal^'" £! \ ^

"ALL DIESEL DRIVEN SURFACE VESSELSL~ MAINTENANCE PERIODS FOR,

"Progressive deterioration has resulted from lack ofmaintenance periods on many of the subject ships. Under av­erage wartime conditions subject vessels are "at anchor" ap­proximately half the time* These periods are seldom utilisedfor upkeep because of the "stand-by" condition required. Un­interrupted upkeep periods averaging six days per month undernormal fleet operations of 300-400 hours per month are neces­sary to permit accomplishment of BuShips or manufacturer's pre­scribed progressive maintenance and must be included in operat­ing schedules* Periods may be assigned in one six-day periodor two three-day periods each calendar month. Vessels unableto meet this minimum schedule for any reason during the previ­ous month will report by speedletter to their type administra­tive commands giving full explanation . . ,H

(d) All task force and task group commanders shall grant upkeepperiods to units of their force or group whenever the militarysituation will permit,

9# Damaged ships

(a) Battle damage repair facilities available as outlined inAnnexes C and D of CinCPac & POA Operation Plan No, 11-44•

(b) Ships requiring battle damage repairs will proceed under theirown power or be towed to MARIANAS bases, ENIWETQK or ULITHI, depend­ent upon the nature and extent of repairs and the military situation,

10, Medical

(a) Hospital ships

(1) Four AH's will be available for this operation. These fourAH's will be initially stationed as follows:

2 AH's at SAIPAN anchorage by D minus 22 AH's at ULITHI by D Day

Commander Joint Expeditionary Force will request CommanderForward Area, Central Pacifict to sail hospital ships to theobjective as required. Commander Joint Expeditionary Forcewill return AH's to MARIANAS for discharge.

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(2) Air evacuation from the objective to the MARIANAS -will beinstituted by Commander Forward Area, Central Pacific, as soonas the military situation will permit, upon request of CommanderJoint Expeditionary Force.

(3) Evacuation (air and surface) from the MARIANAS to rear areaswill be supervised and directed by Commander Forward Area, CentralPacific.

00 Medical stores

(1) Available as outlined in Annexes C and D of CinCPac and POAOperation Plan No. 11-44.

(2) Available in ships with the Lo^istic Support Group*

(3) Commander Service Squadron 10 will maintain (initially atULITHI) supplies as follows:

a« Biologicals - Plasma - Pencillin.

t>. Malarial suppressive drugs.

£. Expendable supplies, surgical instruments and othernon expendables:

YF 7#7 - 100,000 men for 30 days.

USS LIGNITE (barge) - 150,000 men for 30 days.

USS SILICA (barge) - 150,000 men for 30 days.

USS MARL (barge) - 150,000 men for 30 days.

d. Ten combat blocks (3,000 men for 30 days combat),

_e. Ten garrison blocks (3,000 men for 30 days garrison).

(4) Each of the following ships will carry expendable suppliesfor 100,000 men for 30 days:

USS CASTOR (AKS l) USS CHELEB (AK 13d) USS LUNA (AKS 7) USS GIANSAR (AK 111) USS VOLANS (AKS 9) USS ASCELLA (AK 137) USS TALITA (AKS 8) USS AZIMECH (AK 124) USS KOCHAB (AKS 6) USS ALKES (AK 110) USS SHAUX+A (AK, U S ) . USS RUTICULUS(AK 113)

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(5) Each fleet oiler will carry following loads (approximately60 day supply for complement:

1 BB or CV load1 CA, CL, CVL or CVE load4 DD, DE loads

(6) Attention is invited to Force Medical Officer, Service Force,Pacific Fleet, letter, "Medical Stores Available for Fleet Issue",mailed in late August 1944 to all medical officers. This lettergives in detail the composition of units of supply listed above.

11, personnel replacements

(a) Each fleet oiler will carry approximately 50 men for transfer tofleet units,

(b) Fleet oilers and other ships of the Logistic Support Group willbe prepared to receive limited numbers of personnel for return toforward areas for further transfer,

(c) Commander Logistic &xp&$rt Group shall issue necessary instruc- •tions concerning transfer of personnel for the information of allships.

APPENDICES;

I - Operating InstructionsII - Towing and Salvage PlanIII - Replenishment Schedule

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APPENDIX I | ^

OPERATING INSTRUCTIONS

1. General plan for the operation of the Logistic Support Group (T.G, 50.8)

(a) The Logistic Support Group, under the command of a rear admiraldesignated by Commander Service Force, Pacific Fleet, composed asfollows:

Fleet oilersAmmunition shipsReplacement transport CVE*sDry provision ships (if available)Refrigerated provision ships (if available)General stores ships (if available)Aviation supply ships (if available)Escort CVEfsTowing and salvage shipsScreen (DD's and DEfs)

will furnish logistic support to units of Central Pacific Task Forcesat sea and as may be directed by Commander Central Pacific Task Forces(Commander FIFTH Fleet).

(b) Commander Logistic Support Group shall;

(1) Be responsible to Commander Central Pacific Task Forces forlogistic support of the fleet at sea.

(2) Be embarked in a suitable flagship designated by the Commanderin Chief, U.S. Pacific Fleet.

(3) Direct the movements and coordinate the operations of all unitsassigned to the Logistic Support Group.

(4) Take tactical command of all units of his group present andsuch other units as may be placed under his operational control.

(5) 6upervise replenishment operations at sea,

(6) Arrange with area, Service Force, or type commanders for thereplenishment of units of his group in order to meet the logisticrequirements of the Central Pacific Task Forces.

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(7) Keep Commander Central Pacific Task forces informed of thelogistics situation by fastest means that the condition of radiosecurity permits.

(8) Operate logistic support vessels in accordance with the follow­ing general instructions:

a. Fleet oilers

1.* When advantageous to do so and time permits, consolidatecargoes of fleet oilers in order to expedite return of emp­ties to reloading points.

2* ENIWETOK will be the reloading point until otherwisedirected by Commander Central Pacific Task Forces, CommanderLogistic Support Group will make recommendations to CommanderCentral Pacific Task Forces if it becomes more practicableto use other reloading points or if it is necessary to re­load fleet oilors at sea from chartered tankers,

2, After D plus 4 maintain a minimum of six fleet oilers inthe assigned operating area.

b. Ammunition ships *

1, Provide facilities for replenishment of ammunition.

2, Maintain a minimum number of ammunition ships at seaconsistent with estimated requirements,

^, Maintain moderate stocks of replacement ammunition inappropriate vessels in company in order to augment thenumber of sides available to fleet units.

£• Replacement transport CVE!s

1. Complete discharge of replacement carriers by dischargeof one carrier at a time, in so far as practicable, in orderto maintain a maximum number of aircraft aboard replacementcarriers in company and expedite return for reloading ofcarriers discharged.

£. Effect delivery of spares and "fly away" change packsthrough replacement carriers and other available ships.

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2« Consolidate relief pilots and aircraft personnel fromdeparting transport carriers to those remaining in areaat discretion,

j±* Return replacement transport carrier units to GUAM whentheir replacement aircraft have been discharged, or soonerif advisable,

£• Require replacement transport carriers to report to Com­mander Forward Area, Central Pacific> for reloading inaccordance with instructions of Commander Air Force, PacificFleet, representative,

&• Dry and refrigerated provisions ships

3,, Make a maximum amount of issues compatible with the timeavailable and' the number of ships Requiring services,"inorder to expedite turn-around of provision ships.

2. Return provision ships to appropriate port* for dischargeof remnant cargoes and onward routing for reloading,

£, Transfer the maximum amount of provisions from oilers toships being fueled in order to utilize maximum sides forprovision transfer,

^» Maintain at sea only those provision ships required tome$t requirements of the Central Pacific Task Forces inthe combat area,

£• General stores and aviation supply ships

1, Normal supply will be in port, but a ship if availablewill accompany the Logistic Support Group for limited supplyto forces at sea, *

2, Limited supplies of general stores will be available inships of Logistic Support Group,

f, Medical stores

Maintain standard stock of combat medical packs on oilersand other appropriate vessels.

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IIP ? **& % if's** \ '­&• Personnel r}' * i I ^

1» Distribute replacement enlisted personnel frofe pool aboardvessels of Logistic Support Group in accordance with instruc­tions of Commander Service Force, Pacific Fleet,

2, Inform ship and unit commanders of nem.es of ships desig­nated to receive personnel for further transfer,'

h. Towing and salya^e ships

Direct movements ox towing and salvage ships as required byCommander Central Pacific Task Forces (see Appendix II).

(9) Require his group to be at assigned initial points at 0700(zone minus 10) on the day designated, unless otherwise specificallyscheduled,

(10) Provide escorts for units of his group returning to reloadingpoints,

(11) All of the above duties specified for Commander Logistic SupportGroup may be delegated by him when necessary to the commander of aunit of his group not in company with the group commander,

2 # The Commander Service Squadron 10 (CTG 50,9) shall:

(a) Provide direct support to units of the Central Pacific Task Forcesin all ports where he has a representative,

(b) Maintain at Forward Area ports the sources of replenishment, andexpedite reloading and departure of units of the Logistic Support Groupthat return to these ports for that service.

(c) Issue capacity loads of provisions to fleet oilers when reloading.

(d) Keep Commander Central Pacific Task Forces, Commander LogisticSupport Group, Commander Forward Area7 Central Pacific and CommanderService Force, Pacific Fleat,""informed by frequent reports of thelogistics situation at reloading points,

(e) Maintain prescribed stock levels of all logistic materials,

(f) Maintain liaison with related shore-based supply agencies.

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(g) Provide routine i(£4rit(EMl b^t^4''d!8u^age^3(ljBj^i' fac i l i t ies for a l l forces employed,

(a) Insure provision of camels, fenders, and similar equipment toprevent damage to ships alongside logistics ships,

3» the Commander Forward Areaf Central Pacific, (CTF 94) shall:

(a) Maintain established supply levels at bases in the Forward Area.

(b) Insure availability of logistic requirements for forces employedin this operation at times and places specified in this plan or inaccordance with directives of Commander Central Pacific Task Forces.

(c) Keep Commander Central Pacific Task Forces informed of any majorchange in the logistics situation.

(d) Exercise general supervision over logistic support agencies withinhis area, inc3.uding loading and routing of replacement CVE^,

(e) Inform Commander Central pacific Task Forces, Commander LogisticSupport Group, and major task force commanders of the movement oflogistics ships into the combat area,

(f) Route and sail garrison and maintenance shipping echelons toobjectives as requested by Commander Joint Expeditionary Force,

(g) Be prepared to deliver emergency supply packs to T O JIMA by para­chute on request of Commanding General, Expeditionary Troops,

4« Commander MARSHALLS-GILBSRTS Area will;

(a) Exercise general supervision over logistic support agencies in his"area in order to furnish maximum support to units of the CentralPacific Task Force3 staging through his area.

(b) Route and «ail garrison and maintenance shipping echelons to theForward Area or the objective as requested by Commander Forward Area,Central Pacific, or Commander Joint Expeditionary Force*

5« Commander Service Squadron 10 representatives at MARSMaULS bases shallcarry out, ae far as facilities permit> the duties prescribed for CommanderService Squadron 10 in paragraph 2 above as required by units of Centra}Pacific Task Forces. •

6. Operating areas

(a) Operating areas have been prescribed in Annex D of this operation. plan. Areas assigned to the Logistic Support.Group are contained in

Appendix I to Annex E of this operation plan,

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(b) Additional fueling areas will be designated by Commander CentralPacific Task Forces as the military situation may require,

(c) Fueling areas are rectangles whose axes lie northwest-southeast.The initial point is at the southern corner of the area. The south­eastern boundary is a line extending 30 miles northeast from the initialpoint, and the southwestern boundary is a line extending 120 milesnorthwest from the initial point•

(d) When additional fueling areas are designated, the initial pointwill be given and an area automatically established as described inparagraph 6(c) above.

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(b) Additional fueling areas will be designated by Commander CentralPacific Task Forces as the military situation may require•

(c) Fueling areas are rectangles whose axes lie northwest-southeast.The initial point is at the southern corner of the area. The south­eastern boundary is a line extending 30 miles northeast from the initialpoint, and the southwestern boundary is a line extending 120 milesnorthwest from the initial point,

(d) When additional fueling areas are designated, the initial pointwill be given and an aroa automatically established as described inparagraph 6(c) above*

p- f; , ,* .is..,

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APPENDIX II

TOOTING AND SALVAGE PLAN

1, Salvage ships

The following salvage ships will be available;

(a) South Pacific Area

1 ATO 1 ATA (Subject to arrangements with 1 ATR 2 ARS Commander South Pacific Area) 3 ATF

(b) MARSHALL I s l a n d s a rea (Commander MARSHAIXS-GILBSRTS Area)

1 ATO

(c) MARIANAS area (Service Squadron 10)

6 ATF 3 ATO

4 ATR 2 ARS .

(d) MARIANAS area (Service Squadron 12)

2 ARS (small wood)

2 ATR

(e) With Logistic Support Group

4 ATF

(f) With Joint Expeditionary Force3 ARS 2 ATF2 ATR

2, Commander Logistic Support Group shall maintain salvage ships incompany in immediate readiness to proceed to the assistance of damagedships when directed by Commander Central Pacific Task Forces.

3, Commander Joint Expeditionary Force shall maintain one ARS or ATRand one ATF on ready duty to replace salvage ships ordered out of theLogistic .Support Group.

H ­

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Operation PlanComFIFTHFleet No. 13-44 (Annex, - Towing & Salvage)

4, Commander Service Squadi%# *1#vafeftl* maintain one ARS and one ATF onready duty in the MARIANAS area to move forward to the objective to replacesalvage ships ordered to the Logistic Support Group from the Joint Expedi­tionary Force.

5, Replacement of salvage ships directed in paragraphs 3 and 4 abovewill be effected by Commander Joint Expeditionary Force and CommanderService Squadron 10, without directive other than notification that activesalvage operations at sea are in progress, unless specific orders to thecontrary are received from Commander Central Pacific Task Forces.

H - II - 2 LOG

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Operation PlanComFIPTKFleet No. 13-44 (Annex H - Logistic

APPENDIX III

SCHEDULE

1, Fast Carriei* Force replenishment

(a) The Fast Carrier Force shall fully replenish ail supplies prior todeparture from ULITIII from facilities furnished by Commander ServiceSquadron 10•

(b) Fast Carrier Force replenishment schedule is set forth in Appendix Ito Annex E of this operation plan,

(c) All ships of the Fast Carrier Force should be given opportunity toreplenish at sea in order to perfect proposed methods of transfer ofsupplies from logistic shipping.

2, Joint I&:p@dit:lonary Force

(a) Facilities for replenishment \?ill be provided at I2£D.£T0K for thoseunits staging through that port* These facilities "will be administeredby Commander Service Squadron 10 Representative, EIU1JET0K.

(b) Facilities for replenishment in the IIARIANA8 will be provided atSAIPAN and GUAL under the general supervision of Commander Forward Area,Central Pacific, and under the command of Commander Service Squadron 10Representative, SAIPAN, and Commander Service Squadron 10 Representative,GUA11. If a representative of Commander Service Squadronx10 is not pre­sent at these ports, the naval base commanders, as direct representativesof Commander Forward Area. Central Pacific, in the respective ports, v&lladminister the service facilities, v

(c) Fire support ships equipped to do so should bo given opportunity toreplenish at sea in order to determine the feasibility of this methodof supply,

3.. Replenishment not scheduled in this operation, plan will be arranged asfollows:

(a) Commander Joint ISxpeditionary Force and Commander Fast CarrierForce shall advise Commander Logistic Support Group, information Comr­rnander Qentral Pacific Task Forces (Commander FIFTH Fleet), of" theirlogistic requirements as far in advance as practicable, stating thenumber and types of ships to be replenished, approximate, amounts ofitems required, and the date it is desired to effect replenishmentin an assigned area*

H - III - 1

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£ Commander Logistic Support Group vdll coordinate replenishmentschedules of the various groups and inform interested commanders if.".itis necessary to effect replenishment on a date other than that requested.

(c) Commander Central Pacific Task Forces "will assign operating areasfor replenishment as far in advance as practicable,

(d) Commander Logistic Support Group is authorized to allocate fleetoilers for temporary duty in the vicinity of the objective for servicesto the assault forces,

(e) Commander Logistic Support Group is authorized to shift operatingareas when the military situation 30 requires. He will immediatelyinform Commander Central Pacific Task Forces, information task forcecommanders, of such a shift of areas,

4. Fleet oiler assignments

(a) Twenty-seven fleet oilers are assigned to the Logistic Support Groupfor fleet support,

(b) Six fleet oilers are assigned to Commander Forward Area, CentralPacific, for local operations in the Forward Area but will be madeavailable to. Commander Logistic Support Group for fleet support if re­quired.

(c) Fleet oilers will be initially located as follows:

D minus 20 - 15 at ENIVJETOK12 at ULITHI "

D minus 10 - 6 (paragraph (b) above) at SAIPAN

(d) Fleet oilers allocated in paragraph (c) will be available forservices to forces located in or staging through the ports named untilrequired to proceed in accordance wi£h the orders of the CommanderLogistic Support Group.

(e) The Commander Logistic Support Group shall operate fleet oilersto meet the fuel requirements of Central Pacific Task Forces,

H - III - 2End of Annex H , LOG

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Operation PlanComFIFTHFleet No. 13-44

ANNEX I L . .- ; f j.

AERGLOGICAL PLAN

1, The information contained herein is of particular benefit to aerologicalofficers concerned with this operation and shall be made available to them.

2. Weathsr services required from our forces

(a) By the SOPA at the objective

Weather reports shall be made commencing immediately after arrival atthe objective and continued until an aerological station is establishedashore. Lake routine 0000, 0600, 1200 and 1800 GCT reports.

(b) By land based aircraft

Officers having operational control of search aircraft squadronsshall:

(1) Provide as much information as possible of typhoons or severestorms which are within searching distance of their bases. By makingspecial reconnaissance, locate the centers, and determine the intensityof these storms whenever possible. Reconnaissance planes should re­port storm conditions in the air at the time of observation and makefurther search and reports as instructed by the base. These reportsshould be forwarded to the fleet immediately.

(2) Make special we:-U ;r reconnaissance of any area when ordered byCommander FIFTH Fle^t, using the procedure outlined in paragraph (l)above.

(3) Provide a short daily dispatch summary of weather as encounteredby search planes, emphasizing weather which indicates the presence orformation of a typhoon, severe storm, or front. Address this dispatchto Commander FIFTH Fleet, Commander Forward Area, Central Pacific(Commander Task Force 94), and All Task Group Commanders, FIFTH Fleet,using precedence OP. This summary does not replace the regular searchplane reports required by subparagraph (4) below.

(4) Submit regular patrol plane reports to the nearest weather centralin accordance with standard instructions.

(c) By Fast Carrier Force

Make weather reconnaissance by carrier plane to investigate areas inwhich the weather may be dangerous to the operations of the Fast CarrierForce and/or other fleet forces in the area.

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3. leather reports requested from other forcejl l f>»y 11 jp

| I ­(a) 3y land based aircraft *>>'* ...;

Squadron commanders of heavy bomber and very heavy bomber squadrons arerequested to continue present requirement of forwarding weather reportsafter every flight.

(b) By submarines

The following has been requested from Commander Submarine Force,Pacific Fleet:

(l) A13. submarines are to continue present policy of including aweather report with #11 transmissions whenever possible.

(2) Three submarine reports, beginning 1 January 1945* are requireddaily; from the area between FORMOSA and TOKYO. These are to be pro­vided at random in any manner designated by Commander Submarine Force,Pacific Fleet. During critical periods a few additional reports willbo requested from Commander Submarine Force, Pacific Fleet, by WeatherCentral, nSATJL IIAU30R, if necessary.

(3) During the critical five days prior to any carrier strike on theEmpire, any submarine encountering storm conditions will report same,making a special report if necessary.

4. Weather, services and reports furnished by shore stations

(a) From Commander in Chief, Pacific Ocean Areas

The Commander in Chief, Pacific Ocean Areas, will act as coordinatingagency to see that all units receive the following:

(1) Complete Western PACIFIC map analyses (including Russian and Chinaareas) from Weather Central, PilARL HARBOR, or Weather Central, GUAM,when the latter is ready.

(2) Reports from the western Aleutian Group on the PEARL HARBOR orGUAM broadcasts.

(3) Aircraft weather reports from the northern PHILIPPINES, MARIANASand PALAU air searches and strikes.

(4) Typhoon or storm warnings when a typhoon or severe storm is in thearea of operations.

(5) Long range forecasts as pracJjd^l^E. , • »^3^ $** &i

j j £ J « +»- •*» *•*- * A E R D

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Operation PlanComFIFTKFleet No. 13-44 (Annex I - AerologicaTPlan)•M q « • • • mm mm ^ • » «^« «*• •«• MM * » mm> MM* *•» •*• • • mm mm mm mm « • ^ <^» «M aw MM «OT ••• « »

(b) From Weather Central. PEARL HARBOR T ^ i" ' ' • • ' '• " • ' " ' T • • ' • • , i '> - , » \ *

(1) Provide items listed under paragraph"4(a), as assigned bytho Qommander in Chief, Pacific Ocean Areaa,

(2) Assist Comrrui. laer Submarine Force, Pacii'ic Fleet, as requiredby paragraph 3(fc;(<0.

(3) Rebroadcast all submarine reports received*

(c) From Weather Central, GUAM

(1) Provide items listed under paragraph 4(a), as assigned bythe Commander in Chief, Pacific Ocean Areas.

(2) Provide as complete a coverage of the area between theMAi-iIAUAS and JAPAN as possible, especially utilizing the longrange aircraft which strike JAPAN. Our carrier strikes on the

, Empire will require maximum weather assistance from all Armyand Navy aircraft based in the MARIANAS. This assistance hasbeen specifically requested by letter,

5* Special instructions for forces afloat .for making weather reports

(a) Ships and stations initiating "weather reports address same toRadio GUAM (NPN) and Fleet Weather Central (RIME WING). Makereports at 0000, 0600, 1200 and 1800 GCT. Ordinarily the SOPA atthe objective will transmit regular weather reports (paragraph2(a)); however, weather reports are needed from all enemy areas.The SOPA of units which might be ordered to other objectives forstrike, bombardment, occupation or special purposes will includeweather reports with dispatches when radio silence is broken. UseCSP 1300A or plain language prior to enciphering with ECM.

(b) Maximum security is obtained by making weather reports in landstation form using the current "K" cipher and employing stationnumbers instead of a position. Because of the numerically enci­phered latitude and longitude, the ship report form is not secureand shall not be used* Reports should be made as follows:

(l) The SOPA having normal radio communiGation make regular six-hourly (0000, 0600, 1200 and 1800 GOT) reports in land stationform using the current "K" cipher and the station number listedin paragraph 5(e), Address reports to Radio GUAM (NPN) andWeather Central, PEARL HARBOR (RIME WING).

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(2) SOPA's of units at other places than the main objective addweather reports to any radio transmission using CSP 1300A whichis provided for this purpose, Two or three reports daily aresufficient. If CSP 1300A is not carried, use plain language andencipher the report along with the rest of the dispatch, A dis­patch to which weather has been addod need not be addressed toweather agencies; normal communication facilities will deliverthem,

(c) Breaking raffio-silence

Any task group* ship or aircraft not in company with CommanderFIFTH Fleot shall break radio silence and report indications of atyphoon or severe storm, by operational priority dispatch, unlesssuch violation of radio silence will jeopardize the operations inprogress. All shore activities shall report indications of heavyweather by operational priority dispatch.

Use pjp precedence OP in reporting; storms

All units aro gfuthoriaed and instructed to use precedence OPwhon there are definite indications of a typhoon or severe stormexisting or forming in the vicinity. These indications are as follows;

(1) Tffhen pressures are below normal and continuing to fall*

(2) When surface winds are greater than 25 knots*

(3) When upper wind.? show an abnormal increase in velocity and/ora significant change in direction,

(4) When heavy sea swells are present,

(e) Weather station numbers are assigned as follows:

SHJ.NCHIKU, FORMOSATAKAO, FORMOSA 022H AM J1KA 030TOKASHIKI JIVA, KERAUA RETTO 031KOSHUN, FOEJ^OSA 640HOKO ESTTO (PESCADORES Is.) 641TAIHOKU, FORMOSA 642AGINCOURT (HOKASHO) 643KARENKO, FORJcOSA 644ISHIGAKI JIK; 645

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Operation Plan . .-**»«• & v-; *•» * ^ComFIFTHFleet No, 13-44 (Annex I - Aerological W If p.V V * *T"-H

MHAKO JIMA, ** <£6~y(k" '«*'" * f i j NAHA, OKINAWA JIMA 647 RASA J I M (OKINO DAITO JIMA) 643 MINAMI DAITO JIMA 649 NAZE, AMAMI 0 JIMA. 650 CHICHI J I M 660 IWO JIMA 661

6# Special instructions for aerological officers

(a) Obtain latest information from the nearest weather central, par­ticularly on matters concerning broadcasts and ciphers. Obtain thenew submarine 15 group code which is now being used. Study carefullythe elements listed in paragraph 12 of Appendix I to this annex.

(b) Russian ciphers are not available for distribution. Therefore, themap analyses from the weather centrals must be used for this area.

(c) Chinese broadcasts are using the same cipher as is currently in usein the Central PACIFIC. Latest information on these broadcasts islisted in ALPACS 265 and 269.

(d) Supervise outgoing weather reports and instruct junior aerologicalofficers both ashore and afloat to improve their reports, particularlyregarding cloud, data^ including direction of motion of high and lowclouds and swell data. Use special group with indicator 0 (zero) (seeCode Tables for 1942 Weather Code, Part II, page 24).

(e) Aerological officers of commands which operate search planes havespecial responsibilities in obtaining information on typhoons andstorms as outlined in paragraph 2(b). They must carefully brief pilotsas to the weather they may expect on their searches, They alsp mustimpress upon the pilots the great value of their weather reports tothe fleet,

(f) Since the major weather broadcasts from GUAM have not yet beenestablished, information on this station will be furnished by theCommander in Chief, Pacific Ocean Areas, in an ALPAC dispatch. Sim­ilarly, the Commander in Chief, Pacific Ocean Areas, will issue infor­mation on PHILIPPINE broadcasts, and particularly on the aircraftsearches north of UJZON, as soon as this information is available.

Appendix I - Detailed Weather Summary for IWO JIMA for month of February*

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Operation Pj.auComFIFTHFleet Np, 13-44 (Annex I - Aerological

APPENDIX I,

Y/EATHER SUMMARY FOR IWO JIM AND THE SEA AREA EASTOF JAPAN FOR THE MONTH OF FEBRUARY

1» Wind

(a) Percentage of wind from each direction.

JIMA SEA AREA EAST OF JAPAN

Direction Percent Average Velocity Percent Avcra ie Velocity (Knots) 1[Knots)

N 23 11 24 20 NE 12 9 11 18 ESE

S

swvr

43

55937

8 7 129 6 12

13 6 Ik9 9 15 10 14 16 11 22 19

Calm 2 •— 1

(b) Velocities. IWO JIMA

Percentage of days with wind 10 knots or less 40Percentage of days with wind 10 to 15 knots 40Percentage of days with wind 1£ to 20 knots 15Perc«ntag& of days with wind 20 to 30 knots 4Percentage of days with gales (over 30 knots) 1

—

SEA AREAEAST OF JAPAN

1020

55105

(c) Average mean velocity IWO JIMA 11 knotsj sea area 15 knots, Maximumexpected velocity IWO JIMA 45 knots, sea area 50 knots,

2, State of weather

IWO JBiA SEA AREAEAST OF JAPAN

Percentage of days with rain 9 27Percentage of days cloudy 45 49Percentage of days partly cloudy 2y 626 15dPercentage of days clear 20 7Percentage of days with fog none 2

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f

3. Swell

(a) Percentage* of swell from each direction,

IWO JBLA SEA AREA EAST OF JAPAN

Direction Percent Percent

N 24 35 NE 14 12 E 7 8 SE 5 6

S 0sw 6w 10

444

29 22None 5

(b) Height of swell.

5

IWO JIMA SEA AREA EAST OF JAPAN

Percentage of swell 0-1 feet Percentage of swell 1-6 feet Percentage of swell 6-12 feet Percentage of swell over 12 feet

7 30 30 33

5 25 35 35

4« Precipitation chart

Jan Mar Apr Jun Jul Aug Sep Oct Nov Dee

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5* Conditions affecting naval operations I * ",«"*'

(a) Anchorages at IWO J I M ^ * v ' -• ** •*- • • - — ^

The only anchorage available is the area in the lee of the island.The protected area southeast of the island will be used almost exclu­sively because of the prevailing northerly winds,

(b) Open sea outside anchorages

Moderately rough seas with a constant swell from the north may beexpected, The best days of moderate northeast or east wind and lightnortherly swell will be found 15% of the time,

(c) Fueling

In the IWO JIMA area, the further east the fueling areas the better(because the lows move to the northeast along the NANSEI Islands and tothe east of the Japanese mainland)• Fueling south of Latitude 27-00 Nshould not be difficult; fueling north of latitude 27-00 N would bevery difficult,

(d) Carrier operations

(1) Carriers will have plenty of wind and sea but should have littledifficulty while operating southeast of a line running northeast-southwest through IWO JIM, Northwest of this line and particu­larly in raids on the Empire, intense storms may be encountered.Carrier strikes on the Empire will require flexibility in timing toallow for obtaining satisfactory weather,

(2) Very frequently (so frequently they can be almost depended upon),lows form just northeast of FORMOSA and move straight for TOKYO.These lows must be carefully watched since they develop rapidly asthey approach TOKYO. The most favorable time to strike TOKYO isjust after one of these lows has moved off to the eastward of JAPAN,We obtain the following advantages:

a. Launching carriers several hundred miles east of JAPAN willbe under a solid overcast with ceiling of 1500 to 2000 feet,while TOKYO will be in the clear (ideal situation),

b. During the approach, the storm will be located south of theEmpire between the carriers and the objective.

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Operation PlanComFIFTHFleet No4 33-44 (Annex I •%

£« After a storm passsfe, two or three days of good weatherat the target may be expected,

d. The carrier force may be able to withdraw under cover ofthe next low moving toward TOKYO.

The only disadvantage conceivable in this method of attack is thatthe wind may be ve:rr strong from north or northwest after the stormpasses TOKYO, The wind may be so strong that we may have to delaylaunching (particularly from CVL's) until conditions improve,

(e) Aircraft

Flying should prove good in the IWO JIM area except when lows orstorms pass through this area. During such storm periods the rain iscontinuous and flying virtually impossible for two or three days at atiiik... The icing level is found at about 10,000 feet during Februaryana Karch in this area,

(f) Seaplanes

(1) Shelter

The IWO JIMA seaplane area must of necessity be placed on thosouth side of the island and as close to the island as possible.This location will provide protection from the sea and swell 75$of the time.

(2) Winds

A wind from the southern arc (east around to the south and south­west) will make sea conditions difficult 20% of the time. Maximumvelocity from this direction is 40 knots. Some of the strongestwinds are from the southwest and south (when lows move up to thenorthwest of the island). See map of storm tracks, page I-I-8,Most of the storms move from OKINAWA to the northeast, clearingIWO JIMA to the northwest. Only when the storms come close dostrong southerly winds occur,

(3) PjLane safety

No great difficulty is forseen in protecting planes from severeweather. Most of the blows are northerly and sufficient protectionis available. Some blows occur from the south and southwest, butordinarily a wind of over 30 knots is not expected (see paragraph 1,this appendix). The greatest difficulty envisioned in this plan is

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Operation Plan ComFIFTHFleet No, 13-44 (fu^nex *rT $ Agf-o\; .ljb& i*r 'Wi ther Summary)

the takeoff, During strong southerly weather (lasts only a few daysat a tine) operations must be cancelled. During northerly weatherthe winds-are fresh and a shorter takeoff distance is required, Theplanes will have to rind the location where the best protection isafforded. In a m 'l\ easterly wind little protection of any kind ispossible*

6, Conditions affect,in/? amphibious operations at IWQ JIKA

(a) Landing beaches

An almost continuous northerly swell tdth predominating north ornorthwo."t winds would indicate an 80$ certainty of having to use thesout!'eastern beaches. Maximum protection should, bo found at the north­east corner of this beach. There is a 10% chance of fair weather withlight northeast or east wind and swell, in which case the southwesternbeaches or both beaches could be used. There is also a 10$ chance offresh northoast winds and swell when neither of the beaches would besatisfactory,

(b) Surf and swell

A well developed northerly swell of between 6 and 12 feet is expectedmost of the time in the open sea. This means a heavy surf on exposedbeaches and a light surf on protected beaches over 120 degrees from theswell directiofi. No southerly swell should occur at this time of theyear,

(c) Boating conditions

Boating conditions may bo difficult but not dangerous. No smallboats should be lost duo to gales at IW0 JIKA except during the typhoonseason in late summer. Strong southerly or northeasterly blows will makeit very difficult to pivtoet boats* Ho>iover, a blow of ovsr 30 knotsfrom these directions is not expocbod-c Fortunately, the heaviest blowsare from the northwest and north and the ~.:e side ox the island may be •used,

7• Conditions affecting military operations at IWO JBLu.

(a) Road construction and repair

Rain is not heavy and does not last more than three or four days ata tinte. Roads should not be difficult to maintain,

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(b) Airfield construction

Weather should be favorable for construction,

(c) Landing of equipraent a.nd supplies during post invasion period

With the choice of two beaches, the landing of supplies should notbe difficult -except during occasional storms "when a fresh south wind isblowing. The weather will improve during March and will be excellentafter 1 April, $ome measures for protection of boats during the typhoonseason should be taken.

(d) Housing and cocifort of personnel

This should prove much easier than during previous operations becauseof the small rainfall and cool weather which prevails. Some very chillynights with a cold north wind will require warn clothing and severalblankets. The ninimum temperature is 55 degrees,

8. Fronts ami storms

The main lows form close to OKINAWA and move to the northeast, remainingeast of all the Japanese islands. These storms practically always pass firstto the northwest and then north of IWO JIEU Any well developed storm northof TilO JIMA tends to force the winds into west or northwest. If the stormpasses close by, the winds will go into south and then west. Fronts associatedwith the lows farther north cross r«0 JIMA about every five or six days.Frequent storms, some of which are very intense, pass between IWO JIMA andTOKYO and will interfere with land based bombing missions, searches, andcarrier strikes,

9. Typhoons

Only rarely do typhoons occur between January and June.

10. Outlook for present target date

The outlook is favorable. The average weather will be good, with thewind varying from northwest to northeast and averaging 11 knots. Some strongwinds from north or northwest may be expected, and they will reach as highas 30 to 35 knots and be accompanied by a heavy northerly swell. Thesenortherly blows and swells may last as long as seven days. Some bad weatherperiods with continuous rain and poor flying conditions may be encountered;they occur when lows move across IWO JIMA and last for two and not more tl:anthree days.

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11, Effects of change of t—^rb date

A delay or advance of one month will make no appreciable difference inthis operation; the same northerly weather will continue. A delay of twomonths or more will bring a slight improvement in weather and sea conditions.The wind will be reduced by four or five knots and the direction will becomemore easterly,

12, Special notes for forecasting the formation of lows in the area northof FCJt-'QSA

Two distinctive features have been observed which indicate the formations£ a low in the northern FORMOSA area:

(a) The formation of fog in the northern part of FORMOSA, in the FORMOSAStrait, or at CHINA ports as far south as HONG KONG.

(b) The winds at both TAIHOKU (northern FORMOSA) and ISHIGAKI (off eastcoast of FORMOSA) both shifting into the east. Often ISHIGAKI will shiftinto southeast while TAIHOKU remains easterly,

A rain patten will develop very shortly after one of these phenomena isnoted. Unless these conditions are carefully watched, a low vd.ll form andhave passed OKINAWA before the aerologist is aware of it. The phenomenonunder (a) does not occur often, but when it does occur, it almost always re­veals a low forming. The wind shift indicated in (b) always occurs when alow forms close to FORMOSA.

- I - 7 AERO

LU

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Operation PlanComFIFTHFleet No, 13-44

Battle PlanComFIFTHFleet No. 14-44

TASK ORGANIZATION

ANNEX J

BATTLE PLAN

UNITED STATES PACIFIC FLEET,FIFTH Fleet,T.F. 50 Central Pacific Task Forces

and Commander FIFTH Fleet.

PEARL HARBOR, T*H.,31 December 1944; 1000.

(a) 59 Striking Force - Vice Admiral Lee

(1) Battle Line

BatDiv 6 - Rear Admiral Cooley 3 BB

7 less NEW <T :SEY - Rear Admiral Badger 1 BB

BatPiv 8 less ALABAMA - Rear Admiral Shafroth 2 BB

BatDiv 9 - Rear Admiral Hanson 2 BB

(2) Flank Forces

CruDiv 13 less SANTA FE, MOBILE - Rear Admiral Deyo 2 CL

CruDiv 14 less VICKSBURG, HOUSTON3 CL

plus DULUTH - Rear Admiral Whiting4 CL

CruDiv 17 - Rear Admiral Jones9 PP

DosRon 2ft - Captain Ludewig7 PP

DesRon 47 - Captain Nunn9 PD

DesRon 53 - Captain Jarrett9 PD

PesRon 55 - Captain JarrellAdditional cruisers and destroyers from JointExpeditionary Force and Fast Carrier Force whichmay be specixically directed to join Striking Force.

ft'"it "• , '.J - BAT

' % % • ! • :

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Operation Plan i ' c H \ - ;'~~ J «ComFIFTHFleet No. 13-44 (Annex J - t f $ X%2 V

(3) 58,4 Carrier Task Group FOUR - Rear Admiral Radford

Task Group 58.4 less ships assignedto Battle Line and Flank Forces

TICONDEROGA, RANDOLPH 2 CV

CABOT, LANGLEY 2 CVL

SAN DIEGO 1 CL (AA)

DesRon 60- Captain Freseman 8 DD

(b) 58 Fast Carrier Force - Vice Admiral Mitscher

(1) 58,1 Carrier Task Group ONE - Rear Admiral Clark

HORNET (F), WASP, BENNINGTON 3 CV

BE1LEAU WOOD 1 CVL

SAN JUAN 1 CL (AA)

DesRon 63.- Captain Carter 9 DD

(2) 58.2 Carrier Task Group TWO- Rear Admiral DavisonLEXINGTON (F), HANCOCK 2 CVSAN JACINTO 1 CVLCruDiv 6 less NEW ORLEANS, TUSCALOOSA ­

Rear Admiral Joy 2 CA

DesRon 52- Captain Womble 9 DD

(3) 58.3 Carrier Task Group THREE - Rear Admiral ShermanESSEX (F), BUNKER HILL (FF), YORKTOWN 3 CVCOWPENS 1 CVL

DesRon 62— Captain Higgins 9 DD

(4) 58»5 Carrier Task Group FIVE - Rear Admiral Gardner

ENTERPRISE (F), SARATOGA 2 CV (N)ALASKA ' 1 CBBALTIMORE - Rear Admiral Wiltsie 1 CAFLINT 1 CL (AA)DesRon 54- Captain,, Coward „ . .,,v., , 8 DD

• <-1* <i $ & K g \ i % v y ''••*'

%m\:Ai 85' .: ' BAT

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Operation Plan " i- t,% .j «j%J VV - -CorrJFlFTHFleet Ifo. 13-44^ wAn%x" j" - Battle Plan)

(c) 51 Joint Expeditionary Force - Vice Admiral Turner

Units of Joint Expeditionary Force nottransferred to Striking: Force,

(d) Special Groups

(1) 50.5 Search and Reconnaissance Group - Commodore Ketcham

Task Group 50,5

(2) 50,7 Anti-submarine Warfare Group - Captain Montgomery-

Task Group 50,7

(3) 50.8 Logistic Support Group - Rear Admiral Beary

Task Group 50.8

(4) 50.9 Service Squadron 10 - Commodore Carter

Task Group 50.9

(e) 94 Forward Area, Central Pacific - Vies Admiral Hoover

Task Force 94

General Situation ) As in ComFIFTHFleet Operation Enemy Forces ) Plan No. 13-44 and information sub-Own Forces ) sequently furnished.

Assumptions

(a) That the enemy fleet in major strength can be disposed to attackour forces,

(b) That our early attacks upon targets in and near the Empire mayforce the enemy to seek or accept a surface engagement,

(c) That every effort will be made to destroy our air and surfacesuperiority by concentrated air attacks before surface forces engage.

(d) That the existing situation may make it advisable and practicableto assign some cruisers and destroyers from the Joint ExpeditionaryForce and additional cruisers and destroyers from the Fast CarrierForce to the Striking Force.

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(e) That the enemy will desire any fleet engagement to take placeunder his land based air cover, and that his carriers will alsosupport his major units,

(f) That enemy submarines may be present in the theater of operations,and inducements to draw our forces toward them may be offered,

(g) That the combatant forces of the Joint Expeditionary Force are insufficient strength to withstand enemy surface attack except inmajnr strength,

(h) That the Striking Force will prevent surface attacks in majorstrength upon the Joint Expeditionary Force, but that day or nightsurface raids are possible,

2, This force will destroy enemy naval and air forces in the theater ofoperations in order to prevent interference with our amphibiousoperations and further to reduce Japanese sea power,

3. (a) Striking Force

(1) Exploit any opportunity to bring about a fleet action and,if such opportunity offers or can be created, engage decisively,

(2) Destroy minor surface forces encountered by suitable detaeh­ffients forced by CoinrmnUcr Striking Force,

(3) Furnish own air cover, anti-submarine patrol, and airspotting,

(4) Kako air strikes in coordination with, or in absence of,Fast Carrier Force strikes,

(5) Coordinate surface action with Fast Carrier Force strikes,

(6) Pursue fleeing enemy or damaged remnants to limit of logis­tics, or until superiority of enemy land based air forces makesfurther pursuit unprofitable,

(b) Fast Carrier Force

(l) Conduct early and continuing air strikes against enemy forces.Priority of target-s: Carriers, cruisers, battleships, destroyers,auxiliaries. Coordinate air strikes with Striking Force employment.

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(2) Conduct searches for enemy as required,

(3) Operate initially in areas on the reverse of the mostprobable bearing of the enemy from the Striking Force.

(4) Furnish additional cruisers and destroyers as directed toaugment the Striking Force,

(5) Conduct hunter-killer operations in the vicinity of theFast Carrier Force.

(c) Joint Expeditionary Force

(1) Continue amphibious operations unless otherwise directed,

(2) Destroy enemy naval and air forces "which approach the areaof amphibious operations,

(3) Furnish cruisers and destroyers to Commander Striking Force•when directed.

(4) Retire those units which are not essential to amphibiousoperations then in progress and which may be threatened by enemyinterference,

(d) Special Groups(e) Forward Area, Central Pacific

Support the operations of the Striking Force and Fast CarrierForce with all forces and facilities available.

(x) (l) This plan will be placed in effect by dispatch. IfCommander Central Pacific Task Forces is not present with theFast Carrier Force, Commander Fast Carrier Force is authorized toplace this plan in effect for the Striking Force and Fast CarrierForce at his discretion, should circumstances make such actionadvisable,

(2) In prescribing such dispositions and cruising instructionsas they may require, task force commanders shall keep temporarymodifications to USF 10A to a minimum,

(3) Commander Central Pacific Task Forces will issue to taskforce commanders only such broad directives as are necessary toeffect coordination among task forces. It is intended that

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Commander 31yikint Foree, as officer in tactical command of theStriking Force, snail designate the Commander Battle Line andconduct the surface engagement, that the Fast Carrier Force conformas practicable to tho movements of the Striking Force, lendingmaximum support, and that other task forces support as practicable*If Commander Central Pacific Task Forces is not present with theStriking Force or Fast Carrier Forcej coordination between thosetwo forces will be effected by Commander Striking Force,

(4) If salvage or rescue services are desired from aircr:ft orsurface forces of the Central Pacific Task Forces, outside own taskforce, task force commanders shall make request by urgent dispatchto the tisk force commander from whom services are desired,information to Commander Central Pacific Task Forces, Immediatecompliance, as practicable, with such requests is directed. Ifsuch services are desired from submarines or other forces outsideCentral Pacific Task Forces, request shall be made to the CommanderCentral Pacific Task Forces, information to the commander from whomservices are desirui.

UP Logistics in accordance with -the Logistic plan, nnex H to Com-PIFTHFlect Operation Plan No. 13-44.

5, (a) Communications in accordance with Annex F to ComFIFTHFleetOperation Plan No. 13-44 as modified below:

(1) Use TBS for .emergency maneuvers only.

(2) Guard Task Force 50 Common (413 kes) for dispatch communi­cations, FOX "no answer" method may be used,

(3) Task group commanders frequency (2642 kes voice) shall beguarded by all task force and task group commanders and all carriers.This channel shall be used as the air command channel by CommanderFast Carrier Force to transmit orders regarding strikes, takeoffs,landings, etc,

(4) The Battle Lino channel (2012 kc3) shall be guarded as thesurface force voice command frequency. Battle orders shall boissued to the Battle Line on this channel.

(5) The General Warning Net shall be used for air warnings,

(6) Inter fighter director communications as in CentComT-fO.

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(b) Usezone ZERO time fordate-time group of dispatches. Usezoneminus 10 time for local time west of longitude 157-30 E«

(c) Commander Central Pacific Task Forces and Commander FIF^H Fleetin INDIANAPOLIS or MISSOURI as announced.

R. A. SPRUANCE, Admiral, U*S* Navy,

Commander Central Pacific Task Forces and Commander FIFTH Fleet,

U.S. Pacific Fleet.

Appendix I ­ Battle Plan Concept

DISTRIBUTION;

See distribution list to ComFIFTHFleet Op Plan No, 13-44.

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APPENDIX I

BATTLE PUN CONCEPT

1. This Battle Plan will be placed in effect only for the purpose ofengaging major enemy surface forces. To combat raids in minor strength,enemy reinforcement groups or other minor enemy surface forces located withinstriking distance, it is intended that officers in tactical command formand dispatch task groups in sufficient strength to effect destruction.

2. As a result of the early operations by the Fast Carrier Force againstthe Empire and the RYUKYUS, the enemy may seek or accept surface action.If such reaction can be brought about, this force will destroy the enemyfleet or such major portions of it as can be engaged,

3. If the opportunity to engage comes while the Fast Carrier Force isin Empire waters during the early strikes, combatant units of the JointExpeditionary Force Will be so located that they will be unable to augmentthe Striking Force in time to participate. The basic major action plan,therefore, visualizes the Striking Force as composed entirely of shipsfrom the Fast Carrier Force> Depending upon circumstances, cruisers anddestroyers of the Fast Carrier Force, in addition to those listed in theTask Organization of the Striking Force, may be assigned to the Striking;Force. If the opportunity comes later, the state of amphibious operationsand prevailing circumstances may permit the transfer of some cruisers anddestroyers from the Joint Expeditionary Force to the Striking Force. Thenumber of ships so transferred will depend upon the existing situationand will be prescribed in the order directing their transfer.

4. Combatant ships of the Joint Expeditionary Force not reassigned toother forces will be used by Commander Joint Expeditionary Force to opposeraids on the objective or on our amphibious forces and to break up enemyattempts at reinforcement. Because of their low speed and relatively smallamount of AP ammunition, it is contcmpleted that OBB's will not be assignedto the Striking Force. Cruisers originally with the Joint ExpeditionaryForce will also carry relatively small quantities of AP ammunition and mayhave expended a considerable percentage of their HC ammunition, and thisfact must be considered in determining their employment.

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ANNEX K

PUBLIC RELATIONS ANNEX

1# This annex derives fron Annex F to CinCPac and CinCPOA Operation PlanNo. 11-44*

2# In the above annex it is stated that:

"It is in the interest of the Military Services to makeinformation regarding this operation compatible withmilitary security available, through public media, tothe people of the United States at the earliest possibletine."

3. In the execution of the instructions contained herein, no action willbe taken which in any way conflicts with or detracts from the primary con­sideration of prosecuting the war.

4» Officers in tactical command concerned with the release of radio pressand voice broadcast material have full authority and are expected to wi't-h­hold from transmission any or all press material which, in their opinion,would compromise security or endanger the success of the operation. Pressradio traffic shall be authorized only at such times as the tactical situa­tion and security permit and, when authorized, shall be transmitted on abasis not to interfere with operational traffic.

5. CinCPOA, through his public relations officers, is responsible forthe administration and co-ordination of public relations matters in thePacific Ocean Areas.

6. CinCPOA is responsible for censorship,

7. In order to implement CinCPOA1s responsibility for the administrationand co-ordination of public relations matters, CinCPOA public relationsofficers will be temporarily attached to the staffs of t'ask force andsubordinate commands of the Navy. CinCPOA public relations officers will befurnished with office space, clerical assistance and will have access toappropriate relevant operational dispatches and current operation plans,

£, In order to implement CinCPOA!s responsibility for censorship, fullyqualified censors representing CinCPOA will clear all public relationsmaterial for* release and will be assigned particularly to all points wherepress copy, magazine articles, voice broadcast, or photographs are trans­mitted in the clear fyy Ar^y,cNavv o^ pommercial radio,

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9« Fleet, force and subordinate commanders concerned need not normallyclear public relations material for security, since CinCPOA assumes the re­sponsibility for safeguarding security in this connection. Through hisqualified and assigned censors, the responsibility for accomplishing censor­ship rests normally with CinCPOA, However, the senior officer present isalways authorised and expected to take additional action if he deems itadvisable, (See paragraph 4 above),

10, Press material will not be delayed in the fleet but will be dispatchedby the fastest practicable means, including aircraft, to transmission pointswhere censors will be stationed.

11, War correspondents will be ordered originally by CinCPOA to thevarious commands.and ships* When a correspondent is transferred from onecommand to another, his orders will be endorsed by the commanders concernedand CinCPOA will be notified by dispatch as soon as practicable. Duringthe initial phases of an operation unscheduled changes from one command toanother by correspondents will be discouraged,

12, War correspondents will bo thoroughly briefed on this operation eitherimmediately after sailing or upon the initial sortie of the force concerned,

1,3, Commanders, through their intelligence officers and public relationsofficers, will keep correspondents assigned to them abreast of the currentsituation. In view of the faot that all material is censored by qualifiedCinCPO^ censors before release, a liberal attitude in this connection isdesired. Only under these circumstances can a correspondent present a clearand accurate picture t>£ the ration,

14« Certain correspondents, in accordance with prior arrangements madewith ih© Army or the Marine Corps, will be permitted to go ashore duringamphibious operations on D day not sooner than the fifth assault wave.Army or Marine public relations officers will be responsible for theactivities of and accomodations for correspondents on shore and for passingtheir news material to the proper communication center for transmission,,A CinCPOA public relations officer will go ashore to act as liaison officerand to facilitate the passage of news material to the communication center,

15. War correspondents will be provided with mossing, billeting andtransportation arrangements approximately equivalent to those provided tolieutenant commanders in the Navy and majors in the Army and Marine Corps,

16, Facilities for transmitting photographs by radio from CinCPOA (GUAM}to the UNITED STATES have been installed and are now in operation. It isdesired that th<j advantage in speed of transmission thus gained be not lostby delay in the field.

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17• News is the most perishable of all products. Even a day's delay inthe publication of the story of a great battle may materially detract fromits interest to the public. Since war is an all-out effort, prompt andaccurate reporting of'a battle is closely allied to national morale andindustrial production. Naval force commanders are responsible for thecollection and delivery of news material. It is of great importance thatthis be done as expeditiously as possible. Facilities for the rapid col­lection and delivery of such material are described in Appendix I to thisannex.

18. YJhen applicable, force and subordinate commanders will preparepublic relations annexes to their operation orders for the guidance ofofficers concerned >d.th making arrangements for news service.

APPENDICES:

I - Collection, Cansorship and Dissemination of News MaterialII - Plans for Handling Still PhotographsIII - Plan for Handling Radio Broadcast MaterialIV - °lans for Handling Motion Picture Coverage

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* ' APPENDIX I

COLLECTION, CENSORSHIP ANDDISSEMINATION OF NEWS MATERIAL

1. Force commanders are responsible for the collection of news materialwithin their forces and the transmittal of same,

2. It is understood that CinCPOA will provide aircraft sufficient to makeat least two trips daily as necessary and practicable between GUAM and theobjective for the purpose of carrying photographs, mail, press copy, andfilm.

3» The Commander Joint Expeditionary Force will:

• (a) Provide for transmission by direct Navy radio a minimum of 5,000words of press copy on D day and 10,000 words of press copy on eachsubsequent day, if practicable, and if the tactical situation permits,and on a basis not to interfere with operational traffic,

(b) Provide press boats to Gollect press material,

(c) Transfer press material expeditiously to CinCPOA at GUAM via theaircraft service referred to in paragraph 2 above,

4. Commander Fast Carrier Force will utilize every opportunity for thecollection and prompt transmittal of press material, photographs, and filmdirect to CinCPOA at GUAM, or via the facilities available at the objective.The employment of direct Navy radio for transmitting press copy shall beutilized only at such times as the tactical situation and security permit,

5« Task force commanders will insure that press correspondents are keptinformed of their schedules for the collection and transmittal of pressmaterial.

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APPENDIX II

PLANS FOR. HANDLING STILL PHOTOGRAPHS

1, Conmic riders will direct photographic units to take a maximum number ofoperational and action photographs during the entire period from stagingtime until D plus 10, The photographs will be used to make a completestudy of all phases of an amphibious operation, including landings, forcesat sea, and those showing human reactions to operations. A number ofadditional still photographers will be temporarily transferred to partici­pating units to supplement normal photographic complements in obtainingcomplete coverage*

2* Photographs should be transmitted promptly to CinCPOA at GUAM in thesame manner as other press material and should be marked "Photographs forCinC^ac",

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APPENDIX III

PLAN FQR HArr>"': JJ'O RADIO BROADCAST MATERIAL

1. The program for radio broadcasting coverage of this operation isplanned to provide the listening public of the major United States networksall news of this operation, consistent with security and non-interferencewith operations, at the earliest possible moment (see paragraphs 3 anc* 4of Annex K Above).

2. In order to achieve this, as many ships as practicable will bo equippedwith speech equipment for the transmission of news'broadcasts either directlyfrom the scenes of operations or by film recording* Film recording equipmentwill be provided on additional ships. The reception of these transmissionswill be accomplished either at GUAM or on the West Coast of tho UNITEDSTATES,

3# The "voicing11, either direct or by film recording, will be done byaccredited network representatives, and the recording equipment will be oper­ated by accredited network techniciansf In the event that the networks areunable to provide sufficient correspondents and technicians, it is contem­plated that experienced CinCPOA representatives will be available to performthese functions,

4. While the material broadcasted and recorded is primarily for CinCPOApublic relations purposes, copies of such recordings will be forwarded tothe Secretary of tho Navy where they will be available to the Office ofNaval Records and Library and othor official agencies for review andanalysis.

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APPENDIX IV

PLANS FOR HANDLING MOTION PICTURS COVERAGE

1, - A complete motion picture will be made of this operation for tacticalstudy and for newsreol release. It will attempt, insofar as is possible,to show all aspects of an amphibious landing. All commanders are directedto cooperate in the effort to document this operation completely. Colorfilm (16M) is preferred, if available, otherwise (35MM) black and whitenewsreol film is recommended. Maximum use of color in gun cameras isdesired. A number of motion picture photographers will be temporarilytransferred to various units to supplement normal photographic complementsin obtaining the necessary footage.

2. Motion picture film should bo transmitted promptly to CinCPOA atGU/Jr in the same manner as other press material and should be marked "MotionPicture Film for CinCPac".

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