Appendix IV
III Amphibious Corps Task Organization1
III AMPHIBIOUS CORPS . . . MajGen Roy S. Geiger
Corps Troops . . . . . . LtCol William F. Whitaker
Headquarters and Service Battalion
Signal Battalion
3d Separate Radio Intelligence Platoon, Mobile Communication Unit 43D, Detachment, Air Warning Squadron
1st Military Police Battalion, FMFPac (less Company D)
Company A, 1st Provisional Military Police Battalion (USA)
Landing Force Air Support Control Unit No 1
Medical Battalion
Corps Evacuation Hospital No 2
Corps Evacuation Hospital No 3
Corps Engineer Group
44th Naval Construction Regiment (less 58th Naval Construction Battalion, 130th Naval Construction Battalion, 145th Naval Construction Battalion, and 11th Special Naval Construction Battalion, reinforced)
71st Naval Construction Battalion
1st Separate Engineer Battalion
8024 Aviation Engineer Battalion (USA)
Corps Service Group
Headquarters, Service Group
Headquarters, Shore Party
Company D, 1st Military Police Battalion, FMFPac
11th Motor Transport Battalion, FMFPac
7th Field Depot, reinforced
1st Bomb Disposal Company (less 2d and 3d Platoons)
1st Laundry Company (less 1st, 2d, and 3d Platoons)
Detachment B-8, Military Government
Detachment C-1, Military Government
G-10 Dispensary No 12
G-6 Hospital No 1
Corps Artillery . . . . . . BrigGen David R. Nimmer
Corps Reserve . . . . . . . Col Victor F. Bleasdale
29th Marines
Company A, 6th Tank Battalion
Company C, 6th Engineer Battalion
Company C, 6th Pioneer Battalion
Company C, 6th Motor Transport Battalion
Company C, 6th Medical Battalion
3d Platoon, 6th Military Police Company
3d Platoon, Ordnance Company, 6th Service Battalion
3d Platoon, Service and Supply Company, 6th Service Battalion (less Post Exchange Section)
--298--
3d Band Section
Detachment, 6th Amphibian Truck Company
Detachment, 11th Special Naval Construction Battalion
Detachment, 26th Replacement Draft
Detachment, 33d Replacement Draft
3d Shore Fire Control Party, 6th Joint Assault Signal Company
3d Air-Ground Liaison Party, 6th Joint Assault Signal Company
3d Shore Party Communication Team, 6th Joint Assault Signal Company
1st War Dog Platoon
1st Marine Division (Reinforced) . . . . . MajGen Pedro A. del Valle
Division Troops
Headquarters Battalion (less 1st Military Police Company)
1st Medical Battalion (less Companies A, B, and C )
4th Joint Assault Signal Company (less detachments)
154th Amphibian Truck Company (USA) (less detachments)
Detachment A-1, Military Government
Detachment B-1, Military Government
G-10 Dispensary No 17
G-10 Dispensary No 18
Assault Air Warning Teams
4th Provisional Rocket Detachment
4th War Dog Platoon
Combat Team 1
1st Marines
Company A, 1st Engineer Battalion
Company A, 1st Pioneer Battalion
Company A, 1st Medical Battalion Company A, 1st Motor Transport Battalion
Detachment, Ordnance Company, 1st Service
Battalion (Attached: 2d Platoon 1st Bomb Disposal Company, less 2d and 3d Squads)
Detachment, Service and Supply Company, 1st Service Battalion
1st Platoon, 1st Military Police Company
Detachment, 4th Joint Assault Signal Company
Detachment, 454th Amphibian Truck Company (USA)
Combat Team 5
5th Marines
Co B, 1st Engineer Battalion
Co B, 1st Pioneer Battalion
Co B, 1st Medical Battalion
Co B, 1st Motor Transport Battalion
1st Amphibian Tractor Battalion (less detachments)
Detachment, Ordnance Company, 1st Service Battalion
(Attached: 3d Squad, 2d Platoon 1st Bomb Disposal Company)
Detachment, Service and Supply Company, 1st Service Battalion
2d Platoon, 1st Military Police Company
Detachment, 454th Amphibian Truck Company (USA)
Detachment, 4th Joint Assault Signal Company
Combat Team 7
7th Marines
Co C, 1st Engineer Battalion
Co C, 1st Pioneer Battalion
Co C, 1st Medical Battalion
Co C, 1st Motor Transport Battalion
8th Amphibian Tractor Battalion (less detachments)
Detachment, Ordnance Company, 1st Service Battalion (Attached: 2d Squad, 2d Platoon, 1st Bomb Disposal Company)
Detachment, Service and Supply Company, 1st Service Battalion
3d Platoon, 1st Military Police Company
Detachment, 454th Amphibian Truck Company (USA)
Detachment, 4th Joint Assault Signal Company
3d Armored Amphibian Tractor Battalion (Provisional)
Tank Group
1st Tank Battalion
Detachment, 1st Amphibian Tractor Battalion
Detachment, 8th Amphibian Tractor Battalion
Tank Maintenance Platoon, Ordnance Company, 1st Service Battalion
Engineer Group
1st Engineer Battalion (less Companies A, B, and C)
145th Naval Construction Battalion (less detachments)
Shore Party Group
1st Pioneer Battalion (less Companies A, B, and C)
One-half, 11th Special Naval Construction Battalion
Detachment, 145th Naval Construction Battalion
Detachment, 4th Joint Assault Signal Company
Replacement Group
Service Group
1st Service Battalion (less detachments)
1st Motor Transport Battalion (less Companies A, B, and C )
2d Platoon, 1st Laundry Company
Military Police Group
1st Military Police Company (less 1st, 2d, and 3d Platoons)
Company B, 1st Provisional Military Police Battalion (USA)
--299--
6th Marine Division (Reinforced) . . . . . . MajGen Lemuel C. Shepherd, Jr.
Division Troops
Headquarters Battalion (less detachments)
Company C, 1st Provisional Military Police Battalion (USA)
6th Joint Assault Signal Company (less detachments)
6th Amphibian Truck Company (less detachments)
Detachment A-3, Military Government
Detachment B-3, Military Government
Corps Artillery Liaison Teams
Early Air Warning Team
Combat Team 4
4th Marines (less 2d Battalion (less Company E) )
Company A, 6th Engineer Battalion (less 2d Platoon)
Company A, 6th Pioneer Battalion (less 2d Platoon)
Company A, 6th Motor Transport Battalion (less 2d Platoon)
Company A, 6th Medical Battalion (less one collecting section)
Detachment, 26th Replacement Draft
Detachment, 33d Replacement Draft
1st Platoon, 6th Military Police Company (less detachment)
1st Platoon, Ordnance Company, 6th Service Battalion (less detachment)
1st Platoon, Service and Supply Company, 6th Service Battalion (less Post Exchange Section and detachment)
Detachment, 58th Naval Construction Battalion
Detachment, 11th Special Naval Construction Battalion
Detachment, 6th Amphibian Truck Company
1st Band Section (less detachment)
1st Shore Fire Control Party, 6th Joint Assault Signal Company (less detachment)
1st Air-Ground Liaison Party, 6th Joint Assault Signal Company (less detachment)
1st Shore Party Communication Team, 6th Joint Assault Signal Company (less detachment)
1st Section, 3d Platoon, 1st Bomb Disposal Company
Combat Team 22
22d Marines
Company B, 6th Engineer Battalion
Company B, 6th Pioneer Battalion
Company B, 6th Motor Transport Battalion
Company B, 6th Medical Battalion
Detachment, 26th Replacement Draft
Detachment, 33d Replacement Draft
2d Platoon, 6th Military Police Company
2d Platoon, Ordnance Company, 6th Service Battalion
2d Platoon, Service and Supply Company, 6th Service Battalion (less Post Exchange Section)
Detachment, 58th Naval Construction Battalion
Detachment, 11th Special Naval Construction Battalion
Detachment, 814th Amphibian Truck Company (USA)
5th Provisional Rocket Detachment
2d Band Section
3d Platoon, 1st Bomb Disposal Company (less 1st Section)
2d Shore Fire Control Party, 6th Joint Assault Signal Company
2d Air-Ground Liaison Party, 6th Joint Assault Signal Company
2d Shore Party Communication Team, 6th Joint Assault Signal Company
Division Artillery Group
15th Marines
Detachment, 6th Amphibian Truck Company
Detachment, 814th Amphibian Truck Company (USA)
Marine Observation Squadron 6
Armored Amphibian Group
1st Armored Amphibian Battalion
3-9-A Unit
Tank Group
6th Tank Battalion (less Company A)
Tank Maintainance Platoon, Ordnance Company, 6th Service Battalion
6th Pioneer Battalion (less detachments)
26th Replacement Draft (less detachments)
33d Replacement Draft (less detachments) Detachment, 6th Joint Assault Signal Company
814th Amphibian Truck Company (less detachments)
One-half, 11th Special Naval Construction Battalion (less detachments)
Service Group
6th Service Battalion (less detachments)
6th Motor Transport Battalion (less detachments)
6th Medical Battalion (less detachments) (Attached: G-10 and G-11 Dispensary Units)
Division Reserve
2d Battalion, 4th Marines (less Company E)
2d Platoon, Weapons Company, 4th Marines
2d Platoon, Company A, 6th Engineer Battalion 2d Platoon, Company A, 6th Pioneer Battalion
--300--
2d Platoon, Company A, 6th Motor Transport Battalion
Detachment, Collection Section, Company A, 6th Medical Battalion
Detachment, 26th Replacement Draft
Detachment, 33d Replacement Draft
Detachment, 11th Special Naval Construction Battalion
Detachment, 1st Band Section
Detachment, 1st Platoon, 6th Military Police Company
Detachment, 1st Platoon, Ordnance Company, 6th Service Battalion
Detachment, 1st Platoon, Service and Supply Company, 6th Service Battalion
Detachment, 1st Shore Fire Control Party, 6th Joint Assault Signal Company
Detachment, 1st Air-Ground Liaison Party, 6th Joint Assault Signal Company
Detachment, Shore Party Communication Team, 6th Joint Assault Signal Company
