1. Tenth Arm

Marine Infantry Battalion

Bttn HQ: 4 rifle/SMG sqds, 1 bazooka, 1 shotgun
3 Companies@
CHQ: 2(13 man) Carbine sqds
3 platoons@
1(7 man) rifle/SMG PHQ sqd
2(13 man) rifle sqds, 3 BAR, demo charges
1(13 man) rifle sqd, 1 bazooka, 2 BAR

1 platoon: 4x .50", 3 MMG teams
1 platoon: 3x 60mm mortars or 57mm M18 recoilless rifles 1(13 man) rifle sqd as crew

1 Battery: 6x 81mm mortars, 6 bazookas
1 Flame Platoon: 9(2 man) Carbine teams, 9 flameguns

Divisional Marine Armoured Battalion

Bttn HQ: 2x M4A2 or M4A3 Shermans, 2 Jeeps, 3x M32B2 ARV
3 Companies@
CHQ: 2x MW or M4A2 or M4A3, 1x Sherman Tankdozer
3 platoons@ 4x Sherman, 1x Sherman Tankdozer
2 Platoons@ 4x Sherman flamethrower tanks

2. Regiment Support

Marine Infantry Regiment HQ: 8 rifle sqds, 4 Jeeps, 2 bazookas with:
1 Gun Company:

CHQ: 2 rifle sqds, 4 Jeeps, 1 bazooka
1 platoon: 3x M7B1 Priest
2 platoons@ 4x 37mm or 57mm A/T guns, 4 trucks

3. Divisional Support

Up to:

1 Rocket Battery: 12x Dodge Weapons Carrier+4.5" rockets, radio truck

10 Joint Forces OP teams@

1 Air Liaison/artillery OP/Naval Fire
Control teams, 1 Jeep

1 Recce Platoon: 6 Carbine/SMG/shotgun sqds, sniffer wardogs
15 Transport Platoons@ 5 lorries

3 Pioneer Companies@

CHQ: 2 rifle sqds
3 platoons@ 4 rifle/pioneer sqds

3 Engineer Companies@

CHQ: 2 rifle sqds
3 platoons@ 4 rifle/engineer sqds, 2 BAR, 1 bazooka, 1 flamegun, 1 bulldozer

3 Artillery Battalions@

BHQ: 6 Carbine sqds, 6 OP teams, 6 lorries
3 batteries@ 6x 105mm M2A1, 6 trucks, radio truck, 3 AAHMG

1 Artillery Battalion:

BHQ: 8 Carbine sqds, 6 OP teams, 8 lorries
3 batteries@ 4x 155mm M1 howitzers, 4x M5 HST, radio van

1 AmTank Battalion

Bttn HQ: 4x LVT-2, 3x LVT(A)-2
4 Companies@
CHQ: 3x LVT(A)-l or LVT(A)-4, 2x LVT-2
3 platoons@ 5x LVT(A)-l or LVT(A)-4

2 AmTrac Battalions@

Bttn HQ: 17x LVT-4
2 Companies@ 51x LVT-4

1 Recce Company:

CHQ: 1 Carbine/SMG sqd, 2 Jeeps, 1 bazooka
3 platoons@ 2x Jeep/MMG, 2 Jeeps/AAMG, 2 Carbine/SMG sqds

4. Notes

a) Radios are in all squads and AFV.
b) Infantry have M9A1 rifle A/T grenades and demo charges. From May 1945 can replace 57mm M18 with 75mm M20.
c) The Division has 3 Regiments each of 3 battalions.
d) From mid 1945 can replace LVT-2 with LVT-3 and LVT(A)-4 with LVT(A)-5.
e) Can use Corps support from List A21.