wwii 776th amphibian tank battalion

8/7/2019 WWII 776th Amphibian Tank Battalion

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It "l f\ ' SSi f \EDt ! ( t U ~ .FOR AMPHIBIOUS OPERATIONS

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CONFIDENTIAL 77,6th Amph T a n k ~ . AFO 23520 MarCh 1945'INTRODUCTION

.. t,This Standing Operating Procedure is the result of 'experienoeacquired by the 776th Amphibian Tank Battal-ion durine i t s , attachmentto' the Seventh Infantry Division the Leyte Cattpaign. I,'lI ts purpose i s to make available for study those details of If'\, , Iprocedure which are unlikely to change, and. thereby to enable the !f' ,runit to abbreviate i t s field orders. '

or::;,. :.f ".Variations from Tables of Organization and Equipnent will be I' !!noted herein. These have been authorized by higher headquarteFs )jd..

jas necessary to the accorp.plishment of missiOns.' j'!;, ':1I wish to express appreciation as follows: I I,I, ,,;;'ITo Major. General A. V. ARNOLD" COllllIllll1ding Qeneral" ,h:lSeventh Infantry D i v i ~ i o n and to the members the it I;Division Artillery and Staff for direction and k

g u i d a n ~ e in.tqe formulation of doctrine. I" "To Commander H. M. Ma.cKINNON" United States Navy ,\fOlP-: collaborating in the preparat:i,on of APPENDIX IBA8R ( E M B ~ R I U . T I O N ) . .I ,/},' , 'I," I, " ' ~ " / / . ; i / I l , . r I' / / ' ( . . , I,, , o. K. Ki.NE II" , , , LT. coi., CAVALRY iC O i J 1 L I ~ N DING

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Pa.geIntrodu.ction. . . . . . 1s. o. P. .. . . . . . . .. . . .. . . .. . . . . . 3Annex 1 (Intelligence). . . . .. . 6Annex 2 (Administration) . 9

AP?BNJIX BIJ\ER ( E M B . ~ i l \ ~ ~ T I O N .JJD L:JmUJG ZXEHCISES) 14. ~ F E N D I X CHARLIE (SAMPLE WADING D L ~ G R j . L : ~ 19APPElWIX DOG (LOGISTICAL lhTil. FOR IFDEPZi\;Dill:'T OPEr...... T I O i ~ S '20.,..

Annex 3 Communications.. . . . 22,Distribution l i s t . . .. . .24

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C C N F I D ] l ~ Hq 776th i\mph Tank 16 Aro 235 20 March 1945, SOP FOR 4'IMPHIBIOUS Oi"ER.t.TIONS

1. a. Seo annex 1 (Intelligence).b. Division to which uttached normally furnishes this unit and i ts . ships detachments with copies of Jivision and r o g i . m e . n ~ l field orders, special summaries, maps, ~ e l i e f s , p h o t o g r a p h 8 ~ briefing kits and a l l necessary inf.'ormati,an. c. Following publication of tlils SO? field ordors is'sued by thisunit will consist principally of reforences thereto and ofoperation filapS. Companies will maintain ono file copy at il ltimes, with changes up to date, and wil l report loss lJ1JII.ed IIiately.

2. ORGiililZATION AND E(UIFMENT.a. (i) ,TIlis ba.ttalion is orgi.nized into a Headquarters andServioe Company and four let ter- companiei'- o f three platoons each.Each platoon consists of four LvTs 114 (A) 4; \amtank), mounting the

75mm. h o w i t z e r ~ Ea.ch company has in addition" two LVTs IoU (A) IJI(amtank), mounting the 37mm glUl, which carry the compa.ny C.P.,F.D.C., communications section and pioneer section. Each companywithin i t s limitations of personnel strene;th,. is equipped and trainedto ' flUlctian as an art i l lery battalion. I t has no lo'n-farOObservers of i t s own and i s dependent for fire control upon . "....a r t i l l e ~ J FD.s and upon ~ < , l J i t i 6 n a l r ~ d i o ,equipment for, communications with t h e m ~ / - (2 ) Each company has, in addition, one LVT 1\& IV (iuntrac)with maintenance equipnent buil t in , one jeep, and one 2! \',,ton truck. lJihcn company wheelGd vehicles are carried in. a'ssault shipping they are normally centra..Lized un


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3. T:..d i c l l cnp10;Y1ll..;;nt.;a. C a p a b U i t , i e s : . - ~

1. Heavy, acc'Jrate barrage f:i,res on beach aroo..s while anoa tand during lending. F : i . d . h ~ b ~ g ; ; ' n s when nD-val vessels havecleared the front J


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d. Liaison.1. Enroute to target S-3 with two radio operators and aSCR 509 will accompany the Div. C.P. en" D-Day he wil ltransfer to the senior control vessel uhcre he will remainunti l assault Vlaves are ashore, reporting thereafter tothe Bn. c.r.2 S-2 with radio operators and an SCR 509 will embarkwith Div Arty cr nnd remain therewith unti l attach:l1ent ofthis unit thereto ceases." . -.

4. See .Annex 2 (Administration)5. a. See Annex 3 (Co .. tlnunications)

b. c.r.s: Afloa.t:

In LVT "BH 1" between 1st and 2nd waves. Ashore:

Annouhced after landing. Enroute:

.Aboard LST NO__ e

KitNE Lt. Col. OFFICIAL: - ~ ' t & ~ S-3 .Ci"NFIDENTIJ'J.


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CCNFIDENTL\L

776th Junph Tank an.Ar"V 23520 March 1945Annex 1 to SUP (Intelligence)

1. SUII1Il1ary of Enemy Situation.tBn 8-2 will procure from higher Hq copies of a l l availabledocuments, maps and photographs in sufficient number to provideone sot for each ships detachment of this unit . He wil l makedistribution as in par i below.

2. E.E.I . will normally'consist of extracts of those of viv to w ~ i c h Bn i s attached, excluding those uwnifestly impossible f5r this unit to secure.

c:)dl::;LUJr3. RECCNNJ!.l.SSANCE liND


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Each Dot. aboard an LST: shipboard sot .Bn Hq Div F.O. 4

viv Adm (; :3i l l HCT F.0. s 2Complete set of maps photos for ea,staff scct . , and for C.O. and Exec

Co Hq: Jiv F.e. 1 RCT F.C. 1

'BLT F.l . 1 Complete set of mn.ps nnn photos.

Ea. platoon: Arty firing me.p 4Large scale tact ical map 4

He will package a ll such d:,cumcnts in 5" n:wal : ' . : : ~ m u n i t i o n C M S , seal ."lnd deliver thorn personally to ship,',3 detachmentcOmmEnders upon embarkation.

6. COUNTERINTELLIGENCE .HD i'UBLIC R E L ~ T I , " N 3 . a. Make plons for e ~ r g e n c y destruction of classified documents.b. urgns below En wi l l take ashore only those extrn.cts of, classif ied docU1OOmts necessary for one cbys operations,

and pertainina to t ~ e i r own imme diate zones of n.ction. c. All docwnents not bo be taken ashore will be burned prior to debarkation. \d. All distinctive insienia, W'lcodcd unit dcsi3Ilation, diaries,

le t ters and other iclentifying materir.l will be removed frompersonnel and equipnent prior to debarkation. Remind a llpersonnel that i f captured they will reveal only n [ ' ~ , rankand ASN.-.,'e. Censorship. 5-2 will disseminate current re..,uations prior

to embarkation." f . Countersir;ns. 5-2 will disseminate in 5 day blocks. Cos

w i ~ disseminate daily the following day's countersign. g. CIC. Crens will afford C.I.C. personnel evety courtesy QUd complete coopera:tion regardle ss of rank. h.. Fublic Relations. qorrespondents and photoeraphers will be;given every consideration. Every effort wil l b3 m::l.de to .publicize the unit Cl.nd tho actions of individucl. enlistedmen and trulk crews.

7. a. Cos will subJ!p.t positive reports of enemy information whenreceived to include: ; .rt i l lery or mortar f ires in our nrcas. Crashed eno,Ay [>.ir'crtJ.ft.pnemy troops r r . . a . s q u o r ~ J i n t 3 as civilinns.Civuinns bo arine arms.

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'"l" . \b. Cos vdll ruport inunediately \lIly loss or compromise ofclassified documents, countersign or S ~ I . c. Avoid use of pllssive

, ~ 1 l E R E , ~ I H Y , and H C V ~ . tense in reports. State V ~ H C , \"ilL'S, hHEN,

KiJJELt. Col.OFFICIAL:('1.0/" IC H A i l ~ . N S-2

CvNFIDm-JTIALANNEX 1 to 8.0.1:'.

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C0NFIVENTIAL Hq 776th Amph Tank BnAI{; 23520 March 1945Annex 2 to SCPADMTIUSTMTIl,N

1. Suppl:yA Distribution, Cl I , I II and V.

1. Init ia l ly from unit cargo and organic vehiclllar loads.(See a:ppendix ABLE, "Unit cargo and organic vehicularloads").2. Second phase, Unit distribution from shore party.3. Third phase, Unit distr ibution from division.

B. Distribution, Cl I I and IV.1. Ini t ia l4r froI!l unit cargo and orgnnic vehicular loads(See a:::,pendix ABLE).2. Second phase; Upon request by Bn 5-4 from shore party.3. Third phase; From Corps dumps.

C. C,& E.1. Individual. See appendix ABtE, Cos will mark and insectproof clothing as direct'od by higher headquarters.2. !-linimum Crgn. Equipnent for operQtionaJ. requirements willaccompany assault shipping. At tLne unit is alerted Coswil l submit requirements to 8-4 for approval.3. Individual wil l pack duffel bags with indiv'. C & E not

l is ted in appendix ABLE. Jecision as to vlhether or notduffel bags accompany assault shipping or remain inIffi echelon comes from higher headquarters.4. ('rg".nizations wil l furnish cots needed aboard 18Ts.(See appendix BAKER). Mark cots so that unit code symbolwill be visible when cots are _folded. Ships Jot Cuawill ascertain needs fran !QU. S-4 is responsible forcollection and storage upon debarkation.5. Cnly following tentage in assault shipping I

Ea. Co. 1 Tent CP, for F.J.C.1 Tent p y r a ~ d a l for kitchen.1 Latrine sceeen.1 Shop tent .

Hed Sects 2 Tents CL'Bn. Hq. 2 Tents cr for Cf.1 Tent pyramidal for S-4.

6. Baggage: Cos will leave with RR echelon r. ll bau:aee notl is ted above.7. Kitchens: Unless otherwise ordered by higher Hq. a l l

stoves and v/Q.ter-heaters will accomp?ony assault s h i p ~ i n g . 8. No-cessary records, offico supplies, and offico e q : u i r : m e ~ t will be,completely water p r o o f c ~ and will a c c ~ ~


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wz: u,.@\lMj$im;;t!''\l'Z,i'i''l '''''- "',"'2. . Evnoution:

A. Casunlties1 . On aid scctiuns will J..rx,U in ().m:t,rJ.cs ,".bout 6th waveunless CL'..llcd a . ~ h c r c c..d jeepr!!ubula.nces and. set u.p .:>...id ...t:iUns. 'They wii l usc.:'Jutre.c for e v ~ c u [ 1 . t i o : J . to LSTs and will :;:>ick up casauli t ios encountered enrouto.2 . Af ter hospic.u is os'Cnblishod ashore L'..id stat ions wil lc",:,Ll.cuC'.te ":.0 hospit,ll hy jeep.3. Sicl;::::J1d vfOunded will c:>.rry with thOLl, when cV:J.cunt-3d"only )i\lllir,tUr:t clothinG c.nd PJrsonnl belongings. Bn aidsto.tions will return to Cos a l l erms, w:-.tchcs and otherU.S. propert.y. Cos are re5ponsiblc for collecting Mdsafe gLt.:'.rdinc; this equipmcnt.4. Secrocte enomy wOl,mdod a.nd report U 1 t G E i ~ T to 5-2.5. T r o ~ . t m e n t of civili.:>..ns must not interfere.; with medicalattention to troops.6. & p o r t s ~ T w c n t y - f o u r hour c,..lvaec.1. FrionlUy equiPilen:;'. JUl orcns. ""ill sGlv;G()) clean an dprotect friendly Qqu.iP:1l0l')t, rc:"'o:ctinC qUMtit ies on handde.ily to S-4 for r . o l 1 0 c t ~ . o n c 2, Cos will rcy:ort enemy eq1..i;ll11cnt j:n.'ornptly to S-2 forimpaction end disposition in accordo.ncc with 0rdersfrom hi"l,hcr Hq ..3. :',hen si tuation is :i,nactiva Dn wil l oc.'f,l1nizc, in coordinntion with Jiv G-4, salvo.ge parties tv 'col lect abandoned stores and cqu:i.p:nent in r08.r [1J'(,:;,s, for turn-into J ivision dumps.

J . Inspections.;i.s soen c.fter l a n d i n ~ D.S the situLtion porraits En wil lconduct shovldmm inspections of .:::ll C('s .t this t:imea l l ir,dividuals wil l be roquirod to :rrcsent evidencethc.t losses of C & E


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b. ilaint. runtracs go ashore only on authorization of Bnllc-dnt o.c. Se 0 aprendix Th"l.KER..

2. Ashoren. Cos report to Bn lJaint C and ,S-4 nttrnbcr C'f whicles bytype 'Which arc (1) operating (2 ) dCD.dlined. Give reasonsfor deadline. This report daily 2000 as of '1600. RepOrt:Lanediately;my changes therein.

3.. COillfllUllicr,tion Equipment.a . Cos rer-ort to Corom C and S-4 daily a.t 2000, as of 1400,number of ro.dios, telephones, switchboards and otherequipl,lent by typo, which are (1) oper:>.ting (2) deadlincd.

Report any c h a n ~ immediately.S-4, Hnint C e.nd COllm (; will confer cbily on s t , ~ t u s of -,deadlines requisit ions, for replacements and sparepc.rts.

3. TRAFFICa. Vepcndcnt on orders from higher Hq.b. No LVTs on roads a t any time.c. lihen movine; in rear areas LVTs will be preceded by aman on foot who wil l l::;ok for wire l ines . Never driveover wire l ines . I f line is broken inadvertently, stop,check l ine, ' cal l in and report 1 0 c ~ t i b n of break.d. Cos carry supply of t r ip t ickets for U3 C when ordered.

a . Any vehicle of this unit will be made 2.vai1able to 5-4 a t any time on cal l .b . Amtracs of this tUlit hr.ve equipment pcrmDl'lently installedin cargo compartment ",nd are not a.va.ilC'.blc to LVT pool.

5. E m b a r k a t i o I l ' ~ e e a p p e n ~ &KEt1. and appendix CfWlLlE.6. L o g i s t i c ~ data for independent water-borne oporntions.See ap::endix X>G.

IWJELt. Col.OFFICIAL:P { ) - l ~ ~ IVTCCKI5-4 a:.NFI;;lENTIAL

.i.NNEX 2 '1\. S.C.: .


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ApPendix Able

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', ' .... ;."Hq 776th Tanlc E'1.APO 23520 March 1945

to Annex 2 to S.O . P.UNIT CAllGO AND ORGi'.NIC VEHICULAR WADS'

IndividuaJ. Clothing and Equipnent.",All individual equipnent, a.rms and BJIllmmition of crew members.

1 Roll per individual containing:.1 Shelter half w/pins &poles. 1 Blanket1 Bar, mosquito & head net2 Underwear and sox1 Extra HBT uniform1 Pro shoes, service1 Bag, waterproof

11 Bag, field, per indiVidual.Mess Id t with Imife, fork & spoonToilet articles2-pr socksI-pr drawersl-ea. Poncho

l-ea Bed Roll per officerI-pc. Hand Luggage or dufile bag per officer.

\2. Class I10 Gal. water per vehicle in 5-gal cans. 2 Filled canteens per crew member. 2 K rations per crew member. 1 ~ R a t ; L o n p e r crew member.

3. Class I Ia. Normally companies 'carry a. 15 day supply of Ordnance cleaning and preserving materials and also maximum

available spare parts and a.ccessories for a l l weapons. \. b. ,See appendix OOG, 10 day maint. supply of vehicular spare parts. Small items ere carried in vehicles, large items in unit cargo.;' . c. All equipnent' as liste:d in T/O & E 17-ll5, 116,117, da.ted 29 jan. 1944 .3.nd Change I thereto dated 19 Jan. 1945 will bo c a ~ r i e d by individua.l or stowed in vehiclos exoept for thE) followihg items wh.i.ch ar.e shipped as impcdJ.monta, forward or rea.:q: echelon as indicated,

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ton 4 x 42 ~ - 0 0 n bxS

Chest, cleaning & Preserving materials, g,.'rrl'.c:ks J iChest, spare parts _ 12 ..'J'ruck


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Gl'i.dcdotails to lar..d troops to th&ir berths. ."

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... \,\Hq 776th Amph Tank In.AFC 23520 March 1945

Appendix BAKER to !mex 2 (J.dm) to S . ~ . F ' . E M B i ~ n I G . T I C N ANJ L,UDING EXERCISES

fin LST can co..rry 17 LVTs C'n the tank deck. I t i s ir.tpractical tocarry assnult LVTs on weather decks b e c a u s ~ of tiao requiredto unload. Four LSTs can carry the present unit strength of68 LVTs with maximum comfort and convenience;. However assign. 'Dent of LSTs to cc.rry ~ l l t . : m k s alone results in ovorcrowdingqr f infantry .:lboard other LSTs which would then c


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. shipsond confer wi.I.: ",., , . . ' , , ~ . it;1I J I ' ' ' ~ , -rot.rdinr;:

1. Concurronce with plansmndo in n c c o r ~ n n c c with above.I ,2. Segregation of nrr.,y Trcops norr.nlly [,lOSS in four

shif ts , following ships company.9. Ch.I present) . ~ i T a n e c m o n t of c rco to prJvidcmaximurn. dry be rthinr. , for troops. I f othordutics permiti t i s dosirable that C.Iw. of trot;ps sU.i.:crvixe T.Q.l.i.f.'o insure satisf.:tctory' lOilcl ine, s ho1'in::: ''-uel. bracingof cargo.

11. Comr.lunicc_ti\.lns and l iaison durin::; loadinG ~ m d durine'lonclinG oxercixes ( if held).12. Dllthine, l2.undry etc . Normally 8hi)6 shcull prlvidc

solt wCltor showers dally o.nd fresh wute. Chock to see that it i s o.board and thatthore o.rc me ':.n5 for hnncUing i t .c. LVT b[ttt.nlion C01':li'.1['nders sh:)Uld confer vnth LST croup endUotil lc. cOlrununL.CrS roZr..rdine:

1 . COnlmunicr.tions and 1i


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3. L.JUING EXERCIS:&S.Ju I f londing exercises ['.1'6 to tclte place, arrnngements must bemarie for re fueling while D.shore. Jepe_nding upon the extent ' oftm landing exercises and upon shore f!:l.cilitios, pIons mustbe made to provide between 50 and 100 er,ls of fuol per LVT.To expedite reloading L \ ~ s aboard L8Ts nraple fuel should bespott.edon landing beaches prior ' to ' the exercise.D. L-mcling exorcise plans should contemplc.te the presence of


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5. ENRUUTZ ru T . l 1 G E T ~ .th C.O. of troops w.UJ. c00rlino.tei:.r ' : ' ~ J 1 ~ j , 1 G anG. oriontation.) Hewil l schedule rulC, D . ~ s i g n c.vailable Sp:.i.cv fo!' the purpose,Civing detachment C O I J ' l i . 1 ~ ( 4 . e x C'f fill ll11:h:.s ruprGsc.l.1tccl completeleeway i n s o f ~ I ' ~ s possil:le: j:nsvf..l,:: a8 s!,?-co permits he wil lcentrcl.izo c a l i . s t h a n : i . ~ p ; a..."'ld i n s t r t 1 . ~ t i o n of c. nature common toa l l uni ts . He wLl. I'.rra."lgofol' l'l!.:b...eaancc l)(;rso.mcl anucrows of LVT units to havo c . ~ mllc11 tiJilc Q.S ma.y be nccossa.ry

for the ~ r f o r l l U l l l c e of ru.a.iritonance. He wil l dr i l l LVT crewsand infc.ntrY in movement fE'Om. qUllrc,ers to assi01ed LVTs unt i lmovement can be made rapidly end without confusion, even into tnl d ~ . r l m e s s . ( D. Liainteru:ncc. LVT' officers and crow wil l : 1 . Chock DJ.l LVTS dnily.i 2. Have engines mnd cranked 100 turns dr:.ily.q 3. Hun enGines for 20 minutes avery 140 d..1.ys nncl on 0-1.4. Check clutches daily r'.gainst seizinc.

~ . : , : ~ r ~ ( t ..~ l i ~ ~ e . ~ i . a . r y - e ; e r n w a t o r : f u e } ; tnnlg:;. andr:::;..... ... ~ ~ . ~ ~ .. _\, ~ - " " ' V ~ . n : r ' ; ' ~ J.1"lt I ; !W-.-- ; r . /1. 6. Insr-cctrndios 'daily for dampness one!. fungus, removingthem to a warm, dry pL.'1.ce if nccessartJ.7. Remove w'.ter proof bags frM, portc.blc radios to preventsweo.ting. Replace bar:;s evenine o f J - l .'". 8. . ~ t f i rs t opportunity carry topside for drying il l equipfOOnt drunpenad during loadinc or LE}:.

C. Fire prevention. Jurine m c i n t c ~ \ n c e and r e f u c l i n ~ on theTank .Jack, at ' l eas t three f i re GUar.ls, equipped nith C'v2' ~ ~ , '",,:' extinguishGrs, wil l stand by. ~ p e r c . t i o n s involving the handl ine of C:'.solinc will bepcrfomied on only one LVT a.t D.t i m , one! with the knowledee of the ships captci.n.Fire guards will stand on top dee ks of c.djaccnt LV'IS. This isin addition to any f i re detai l which the navy mo.y order for th ispurpose. There must be no smokinc on tcmk cleck or nearcasoline careo

J . Security. i ~ o classi f ied documents pertci.ning to t ! - ~ "'Iner:.tL:>nwil l be opened unt i l a f ter finc.l d e p a r t t 1 r ~ lo r ' t arget .E. Inspections:

C.'v. of troops wil l hold forme.l Dhip' s inspection daily. Troop.Jet . s wil l in addition, irlSpeCt the i r detachmentsquarters bf.r:i:ce & i l ~ r , once in the afternoon


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Nothing in this SOP will be constI'UOd as an attempt to direct the activ"ties of CCs of troops who anc not members of this 1init. It is , however, oxpected that they wij l offer no obstncle to COll lpliancc by detachments of this unit aboard thcir ships. s. Reference for study: furt 3 Type CrG1:'nir.ation, i'1cgulations, andStandard C p e r ~ _ t i n g Procedure, :i.llphibious Forces, U.S. Pacific Fleet j 1944.

K.alELt. Col.OFFlCLu.:

~ : r : ' ~ Z S-3C..NFI.;ENTIAL

AFiEIOIX D J J C E i ~ T0 ANNEX 2 TO S.O.P.

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IL ..IW::Col.

.2El'UIXCH."'"ioPifE-fu ANNEX 2 'ID s.o.P.

Rq 776th Ar.lph Trulk En.AtC 235~ ( ) I:O'U"ch 1945

i'l.ppondix CIL'JU.,IE to Annex ~ C ' ~ < . l m t ) to 3.C P.

G n E F l ~ 1 GREElJ 2 " rmI'IE 2-1>-- ,+-- I - ~ - - - . : ; . . - - I - ~ - ' - ' A ~ - - ) . . - ~ - . ) ~ ~ - -..,.., LST Nd_ 15T Nt , 1ST No I ,1ST No'Code ~ C ~ \ l e "'Code - - - : ' Code'I ;u. 4 (A)4 Dl 4 (';')4 : C1 It. (A)4' , :;)1 4 ( ~ ~ ) 4II A Rq 2 ( l l ) l I D Hq 2 ( ; ~ ) 1 I C2 4 (A)4 J2 4 (;.)4 : A lfuint 1 1iK IV D 1fuirit 1 MK IV I En Mcint 1 UK IV I Med 2 1 MK IV , lIed 1 1 UK IV: Bn Hunt 1 MK IV I Total LVT 9 I Total LVT 9 A DR 1 1 1.1K IY,Dn Comrn 1 MK IV 1 ~ 1 JUKW I Cfficers 3: Totru. LVT 9 ""Total LVT 9 ......Cfficcrs 3 I,.. EM _w.I Gfficers 7 ,Cfficers 5 ,!ill -.m:... I Total Pers 81I E1I1 --..22 ,EU ..:i2. I Total PeBs 84 I..... Total Fo'Bs% ,Toto.l iers 101 I .... -.L_. . : 1\ - .. Y ...., - - ... - " - - - f 1- - ... )..Y " \ 'r.- I1ST No___1ST No LST l'Jd LST No\Code - - - Code - - - - Code- - - - Code. ~ 2 4 (;.)4 4 ( . ~ ) 4 C3 4 (.',,)4 D3 --4--(A-)4A3 4 (A)4 D3 4 (ii.)4 C Hq 2 (A)l ) Rq 2 (1\)1Total LVT 8 (:.)4 Totru. LVT 8 (A)4 ,C Uaint 1 HK IV D Maint 1 ( J ~ ) lfic 44 Trucks 2! Ton Cfficers 3 En Maint 1 W( IV DR 2 1 11K HI (A)2 Trucks t Ton Ell ..JJz...' Total LVT 8 Total LVT 82 M29c Truc Tot.."..l ?ers 77 Officers 4 Cfficers 41 Kroeker 10 Ton EM..J .SL ELI --2.17Total Voh 9 Totc'.! ?ors 74 Tot.:'J. Pers -1l7 Officer 4 EM lQi.. Tot::J. fers 109 Ucint. )Rendezvous and unloadine Jot.) (Includes 5-4 Sect , Aron

Jets:On DO[l.rd ABA No'- Ships Platoon:1 .i ........ 28 E.M.29 Total 1-'6 rs

(..n Dot..rd ;.r-A NoLiaison Tee . 5-31 (;., 2 E.M.im. Bche10n 14 E.!.!.en Do


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, '.C..NFIJENTIAL

776th Amph. Tank. Bn.20 March 1945Appendix :Jog to ilmnex 2 to .SOP.

Logistic..'!.l Data for Independent liater C ~ r : : ' . t i o n s . Cruising speed, 5 1:fi?11 with LVT in 3rd gea.r at 1800 RRI. Fuel consumption cruising speed, 12 gal. per hr. ; 2.2 gal per mi. Average o il consumption, 1 gal. per hr. Grease consurnptiort, 3 Ibs . Fer da.y of water or-erdion. Fuel and lube typos; Gis 80 Gctano (Aviation)0i1. .SiIE 50GreD.se G.P.1Il & 2'Capacities: Fuel: LVT (A) 1 ~ c ; l (A) 4. 110 Gal. LVT :IK 4(A) 140 Gal. Oil ,: Engine 6 Gal.Transmission 8 Gal.Finn! !Jr:i.ve s 3/4 Gal. eD..

~ d r Cleaners ! Gal. ea.Cruising ro.nge w/o refueling; 35 wi. ' ,S ~ d of LVT MIe 4 ( . i ~ ) (omtrack) depends upon weight of c,;.rgo co.rri&d.ErD.pty they cm1pxceed speed of amta.nks; fu.l.ly loaded they ~ r e sliGhtly slower. Under my conditions they CD.Il maintain spfed of5 MPH.LVTs cannot enter LOts.LCMs C


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F' ' : : ~ ; .Avera.ge untt pc.rts replacement s required for 10 days continuOus.SNL G- 167 & 1 ~ 8

EnGines , 1 l ~ r 20 LVT's Trcnsirnission a s s ~ : ~ . " .. '0 1 per 15 " Cllx"t.:r..I' Ho.3tur [l.:,sy , . ? Jr ' 11 " 10 II Flywhec;:l assy. wi 0 Fun , 0." II 20 II Jr:i..V( ' : Fillal.; int . . . . . . II II 10 II eo.. vrrGasket;, Final J r . . . . . . . . . ". ',. II II LVT'sGnsl(Gt, FL1,st C ~ ) u p l L . " l g r u ' 0 . ' II II 5 Gona.rators . " " II II 5 11 eo. LVTGenefl!fl.tor belts . , . 11 II liia.[71eto, assy . . < 7 II II 15 LVT' s I'oint e.ssy .. llaGneto . . . . . . . . . . . . II II 5 " Volte.ge regulator, assy ....... " II 10 II Re1c.y mci.n battery II II 5 " Jeflcctor,splo.sh assy II 00 . (1&11) per 10 LVT's Mufflor e.ssy. . . . . . . . . . . . . . " ~ ~ . o II r;er 30 LVT's Hose, flex. J Ex. to muffler . . . II II 3 II II [ ' in, . Track. i) It" ,. 8 .. 5 "q" II II Pin, tee, c o t t c r . o ~ . o * " .y,II II 20Grouser, T l ! ~ . c l { . . . . :0 0 - e " Ii II " - l ~ I'lnte j cross, t r a c k ~ ~ . Q e 5 Screw, Cap,' for grouser 100" " * II II Link' trnck; inBije '.. , '" 2, II "Link,-track, c u t s i d e . " G . ~ t . . . . . 2 per 30 L V T ' ~ " -IcUCll, return, w/brackeb front o.nd rear 1 enSprocket; roar idler., l per 25 LVTsII II Sprocket, ~ r i v e . ~ ;6 II Dracket, re :"r idler " "II 15 "11 Fump, primer assy \ "

farts for 75mm. Hm\f. are same ns for M...$ Assault Gun." * Moderate estimo.te. c'n roueh coral requirements mc.y qun.druple.** ~ T h e s e estimates are for i-mtank Bn. BacD-use of Differences in vehiclesloads and employment they arc considerabl;T less the.n those for an

Amtrack Dn.Ki.NELt. Col.

OFFICIAL:~ , . t ; c ' i l IVlVCKI 8-4

APPENDIX DOG 'ID AlJNEX 2 TO S.0 P .,,;,

-21
http:///reader/full/Avera.gehttp:///reader/full/Volte.gehttp:///reader/full/Jeflcctor,splo.shhttp:///reader/full/estimo.tehttp:///reader/full/Avera.gehttp:///reader/full/Volte.gehttp:///reader/full/Jeflcctor,splo.shhttp:///reader/full/estimo.te


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"A" Channel, On cOl:lplctivn \)f fire;." r ~ 1 Clw..nncl. en l n n d : ~ n G to i ~ : r t y Dn NCS fJ rare SCR 6998. /Not'

-'.. ' ~ " .~ " ~ ~ ' ~ " .r .C" IiFI-,ElYI'IkL4

Hq 776th Ar.lyn To-11k Dn.i"le. 23520 Mnrch 1945;JmEX 3 to S.L; .1 . '.,"'

1 . Conmunicnti()ns Net for Firinc; by FA i.-bservers:

C5 A'--,..-_._., .J, ' .. I !III LC) ill'ty LnOI I1 II IJ1 Il---{ - - ~ - - " ! I "'Y" I r'1"1-


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2. EaCh 105 mmthe Comnnnd Frequency or' the tW1'l TkFrequency of the 776th ..\r.\Tk 13n ( r.fc) 'f hJ.s f;ut wil l b0 kept a t i:.,tho Dr-_ FJC M d v-rl.ll bo put into o p ~ t i o n on order of the Div Arty Hq.

Arty Dn wil l be furnished m scn 5090 This !1Gt wil l h::-.-wDIl _ __ . Jb.) L : : ~ 1 d t ho C ' J m : ~ o . n d

50B

Command Nets.I I

509Any 105mui.rty I3n

i (..:.J I 776th ; ~ I ' : l p h ,C'., separdo SCi'" 50B frequency Each vcrticsl indicates

..----------r-.- -_.--..--'-'I I ! III I~ . t o11:;:0'" ~ ~ ; : ; . ; : I:,.; I' -g, 0 p.:iO

! r.:: i j ,)( x, . X-_ .. >1rv'! C?< L?:I Land..,-. I, ... ' .....:I" I I. I I! A I ( ~ : , : ) 1776 B [ ' ~ = ? ' I 776 C f ' ~ ~ - ~ \776 I j l s : ~ ] 776 T ..1 - j _ ~ : 1l II .J,2


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"," f : ~ : ; ; ~ ~ ~ i ' ' . , ' - , , ~ ~~ ~ ~ ; . ..,..... .tHq 776th Amph T3.Jlk Bn. AfC 235 2(, Ml-i.rch 1945

CinCFba 3 C O I l U ' l a : l d i ~ ..g ( ; e n e r a l ~ Tenth Army 3 Commandi'.1g Gcn:ra.l; XXIV C')rps 6 Commanding G6nr-;1'3.1; ' I th in', Div. 3 C0J11Il1d.r.dir g Gencr:1.1:, 7th Inf . Div . . Arty. 3 Com,nanding OIf': s8r , 20th Armd Gp. 2 C o m m ' l . ! l d ~ . n e Uff ice)"; R C. T. 17 1 C o r r u l ' ; n ~ ' : ; . n g Of f lC er : R, C.rr'. 32 1 Co.r.IJlundin Z Offjc eI', R. C' .'1'.' 1$4 1 32r.d F i e ~ : . d Arty Bn. 1 43th Fiel.d : ~ r t y Bn. 1 49th Field i ~ r t y 8n. 1 57th Field Arty B n ~ 1 Command1ng Officer, 711th Tank Bn. 1 ANSCOr. 1 A.G.F. 1

776th Amr[!ibian Te.nk Battalion

Surgeon ,J.

C & G.SS. 1 18th Armd. Gp. 1 19th Armd. Gp. 1 lhrine Corps School 1 Armored S r ~ h o o 1 1

S-l 1 S-2 1 S-3, 1 S-4 1 Corom. Ofi':i.cor: 1 1 t ~ i n t . Officer : 1 Co '.'3 ( 1 ea.) 5 C o m m a n c ~ r . g Officer 1 Executive Officer 1 S-l (For Opn. Heport and File) 11 6 0

KMmLt. Col.OFFICIAL:..' " t' / '1/1 (.-1.. (,It!.} ........ ECSrL\NES-1 CONFIDENTIAL

DISTRIBUTION LIST ro S.O. P.
http:///reader/full/Commandi'.1ghttp:///reader/full/Comm'l.!ld%E7%BE%AEnehttp:///reader/full/Corrul';n~':;.nghttp:///reader/full/Commandi'.1ghttp:///reader/full/Comm'l.!ld%E7%BE%AEnehttp:///reader/full/Corrul';n~':;.ng


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R'ECEIVEDc. D. 5 ECT'l \:>N\ \

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wwii 776th amphibian tank battalion

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