Chapter XVIII: Appendix: B

Task Organization 1st Marine Division

In order to present a true picture of the Task Organization of the 1st Marine Division during its operations in northeast Korea the organization will be presented for the following periods:

1. Wonsan Landing (OpnO 16-50)
2. Advance to the Reservoir (OpnO 19-50)
3. Movement south from Hagaru (OpnO 25-50)
4. Hungnam Evacuation (OpnO 27-50)

1. TASK ORGANIZATION OF 1ST MARINE DIVISION FOR WONSAN LANDING

_1st Marine Division, (Reinf), FMF_ MajGen O. P. SMITH

HqBn, 1stMarDiv, less dets LtCol M. T. STARR
163rd MISD, USA
441st CIC Det, USA
1st SigBn, less dets Maj R. L. SCHREIER
Carrier Plat, FMF
Det, 4th SigBn, USA
2d SigRepUnit, USA
Det, 205th SigRepCo, USA
1st ServBn, less dets LtCol C. L. BANKS
1stMTBn LtCol O. L. BEALL
1st OrdBn Maj L. O. WILLIAMS
1st SPBn, less dets LtCol H. P. CROWE
SPCommSec, 1stSigBn
Det, 1st CSG
Det, NavBchGru 1
1st MedBn, less dets Cdr H. B. JOHNSON, USN
2d Plat, 560thMedAmbCo, USA
7thMTBn Maj J. F. STEPKA
1st CSG, less dets Col. J. S. COOK
1st Fum&BathPlat, FMF
1st AirDelPlat, FMF
Plat, 20th QMSubsistSupCo, USA
Plat, 506th QMPetDisCo, USA
NavBchGru 1, less dets

_Regimental Combat Team 1_ Col L. B. PULLER

1st Marines
Det, 5th KMC Bn
Co C, 1st EngrBn
Co C, 1st MTBn
Co D, 1st MedBn
Plat, 1stArmd AmphBn
Det, 1stSigBn
FO & LnO Secs, 2/11
LnDet, 1stTkBn
SP Gru B
Det, MP Co
Det, 1st CSG
Det, NavBchGru 1

_Regimental Combat Team 5_ LtCol R. L. MURRAY

5th Marines
Co A, 1st EngrBn
Co D, 1st MTBn
Co C, 1st MedBn
Det, 1stSigBn
FO & LnO Secs, 1/11
SP Gru A
Det, MP Co
Det, 1st CSG
Det, NavBchGru 1

_Regimental Combat Team 7_ Col H. L. LITZENBERG

7th Marines
Det, 3d KMC Bn
Co D, 1st EngrBn
Co B, 1st MTBn
Co D, 1st MedBn
Plat, 1st ArmdAmphBn
Det, 1st SigBn
FO & LnO Secs, 3/11
LnDet, 1st TkBn
SP Gru C
Det, MP Co
Det, 1st CSG
Det, NavBchGru 1

_11th Marines, Reinf_ Col J. H. BROWER

Btry C, 1st 4.5″ RktBn
1st AmphTrkCo, FMF

_1st Tank Battalion_, less dets LtCol H. T. MILNE
_1st Engineer Battalion_, less dets LtCol J. H. PARTRIDGE
_3d KMC Battalion_, less dets Maj KIM YUN GUN
_5th KMC Battalion_, less dets Col KIM TAI SHIK
_1st AmphTracBn, FMF_ LtCol E. F. WANN
_Reconnaissance Company, 1stMarDiv_ 1stLt R. B. CROSSMAN
_VMO-6_ Maj V. J. GOTTSCHALK

2. TASK ORGANIZATION FOR ADVANCE TO THE RESERVOIR

_1st Marine Division, Reinf, FMF_ MajGen O. P. SMITH

HqBn, less dets
163d MISD
441st CIC Det
1stSigBn, Reinf, less dets
1stServBn, Reinf, less dets
Co A. 7th MTBn (less 1 plat)
Det, 1st MTBn
1st OrdBn
1stMedBn, less dets
1st AmphTracBn
Co B, 1st ArmdAmphBn (less 1st Plat)
7th MT Bn, less dets
1st CSG, Reinf
1st AmphTrkCo
1st AirDelPlat
1st Fum&Bath Plat

_Regimental Combat Team 1_ Col L. B. PULLER

1st Marines
2/11
Co D, 1st MedBn
Co C, 1st TkBn
Co C, Reinf, 1st EngrBn
Det, 1stSigBn
Det, 1stServBn
Det, MP Co

_Regimental Combat Team 7_ Col H. L. LITZENBERG

7th Marines
3/11
Recon Co, 1stMarDiv
1st MTBn, less dets
Co D, Reinf, 1st EngrBn
Co E, 1st MedBn
Det, 1stSigBn
Det, MP Co
Det, 1stServBn

_Regimental Combat Team 5_ LtCol R. L. MURRAY

5th Marines
1/11
Co A, Reinf, 1stEngrBn
Co C, 1stMedBn
Co, 1stMTBn
Det, 1stSigBn
Det, MP Co
Det, 1stServBn

_11th Marines, Reinf_, less dets Col J. H. BROWER

Btry C, 1st 4.5″ RktBn

_1st Tank Battalion, Reinf_, less dets LtCol H. T. MILNE
Tk Plat, 5thMar
Tk Plat, 7thMar

_1st Engineer Battalion_, less dets LtCol J. H. PARTRIDGE
_VMO-6_ Maj V. J. GOTTSCHALK

3. TASK ORGANIZATION FOR MOVEMENT SOUTH FROM HAGARU

(Except where noted the organization remained the same for the
movement south from Koto-ri.).

_1st Marine Division, Reinf, FMF_ MajGen O. P. SMITH

HqBn, Reinf, less dets
163d MISD
181st CIC
1stSigBn, Reinf, less dets
1st ServBn, Reinf, less dets
Co A, 7thMTBn, less dets
AutoSup Co, 1stMTBn
AutoMaint Co, 1stMTBn
1stOrdBn, less dets
1stMedBn, Reinf, less dets
1st Fum&Bath Plat
2d Plat, 506thMedAmbCo, USA
(under opn control X Corps)
1stAmphTracBn, Reinf, less dets
1st CSG, Reinf
7thMTBn, less dets
Co A, 1stAmphTracBn
1st AirDel Plat
1stSPBn (under opn control 3dInfDiv)
1stTkBn, less dets
VMO-6

_Regimental Combat Team 5_ LtCol R. L. MURRAY

5th Marines, less Tk Plat
1/11
Btry D, 2/11 (released to RCT 1 on
passage through Koto-ri)
11th Marines, Reinf, less dets
4/11, less Btry L
Det, 96th FABn, USA 3/1 (released to RCT 1 on
passage through Koto-ri)
Det, 1stSigBn
Tk Co, 31st Inf, USA
Prov Plat, 1stTkBn
Co A, 1stEngrBn (released to RCT 1 on
passage through Koto-ri)
Det, 1stEngrBn
41 Commando, RM
Division Train 2 LtCol H. T. MILNE
Traffic Plat, MP Co
Det, 513th TrkCo, USA
Det, 1stMTBn
Co D, 10thEngr(C)Bn, USA
Det, 1stMedBn
Det, 1stServBn
Det, 1stSigBn
Det, 515th Trk Co, USA

_Regimental Combat Team 7_ Col H. L. LITZENBERG

7th Marines, less Tk Plat 3/11
Btry L, 4/11 (released to RCT 1 on
arrival Koto-ri)
ProvBn, 31st Inf, USA
Det, 1stSigBn
Co D, 1stTkBn
Co D, Reinf, 1stEngrBn
Division Train 1 LtCol C. L. BANKS
Det, HqBn, 1stMarDiv
Det, Hq X Corps
Det, 1stServBn
Det, 1stOrdBn
Det, 7thMTBn
Det, X Corps Ord Co, USA
MP Co, 1stMarDiv, less dets
1stMTBn, less dets
Det, 1stSigBn
AirSptSec, MTACS-2
Det, 1stMedBn

_Regimental Combat Team 1_ Col L. B. PULLER

1st Marines, less 3/1 and Tk Plat
2/31, Reinf, USA
2/11, less Btry D (Btry D attached on passage
Koto-ri)
Btry L, 4/11 (Btry L attached on arrival
Koto-ri)
Cos A & B, 7thMTBn
Co C, Reinf, 1stMTBn
Det, 1stSigBn
Det, 1stServBn
Det, HqBn, 1stMarDiv
Det, 1stOrdBn
Cos B & D, 1stMedBn
Recon Co, 1stMarDiv
Det, 1stEngr Bn
Det, 7th Mar
Det, 41 Commando, RM (released to 41 Commando on
passage Koto-ri by RCT 5)
Co B, Reinf, 1stTkBn
Misc elms, USA

4. TASK ORGANIZATION FOR HUNGNAM EVACUATION.

_Forward Echelon_ BrigGen E. A. CRAIG

_Main Body, 1st Marine Division_, MajGen O. P. SMITH

_Reinf, FMF_, less dets

_Regimental Combat Team 7_ Col H. L. LITZENBERG

7th Marines, less Tk Plat
3/11
Co D, 1stEngrBn
1st CSG, less dets
Det, HqBn
1stServBn
Co A, 7th MTBn
Det, 1stSigBn
1stMedBn, Reinf
1st Fum&Bath Plat

_Regimental Combat Team 5_ LtCol R. L. MURRAY

5th Marines
1/11
41 Commando, RM
Co A, 1stEngrBn
1stOrdBn
1stMTBn
Det, 1stSigBn

_Regimental Combat Team 1_ Col L. B. PULLER

1st Marines
2/11
Co C, 1stEngrBn
1stTkBn
Tk Plat, 5th Mar
Tk Plat, 7th Mar
Det, 1stSigBn

_HqBn, Reinf_, less dets LtCol M. T. STARR

1stSigBn, less dets
163d MISD, USA
181st CIC Det, USA

_11th Marines, Reinf_, less dets LtCol C. A. YOUNGDALE

Btry C, 1st 4.5″ RktBn
1st EngrBn, less dets
7thMTBn, less dets
ANGLICO, 1stSigBn

_1stSPBn_, less dets LtCol H. P. CROWE

_1st AmphTracBn, Reinf, FMF_ LtCol E. F. WANN

Co A, Reinf, 1stAmphTrkBn, FMF
Co B, 1stArmdAmphBn, FMF