
| Element | Strength | |
|---|---|---|
| Division HQ | 257 | |
| HQ Battalion | 1,004 | |
| ---HQ Company | 483 | |
| ---Signal Company | 292 | |
| ---Military Police Company | 102 | |
| ---Reconnaissance Company | 127 | |
| ---Assault Signal Company | 465 | |
| Tank Battalion | 630 | |
| ---HQ and Service Company | 1 M4 tank | 123 |
| ---Tank Company (x3) | 15 M4 tanks | 169 |
| Engineer Battalion | 904 | |
| ---HQ Company | 307 | |
| ---Engineer Company (x3) | 199 | |
| Pioneer Battalion | 745 | |
| ---HQ Company | 127 | |
| ---Pioneer Company (x3) | 206 | |
| Service Troops | 1,889 | |
| ---Service Battalion | 751 | |
| ------HQ Company | 68 | |
| ------Service and Supply Company | 502 | |
| ------Ordnance Company | 178 | |
| ---Motor Transport Battalion | 539 | |
| ------HQ and Service Company | 194 | |
| ------Transport Company (x3) | 115 | |
| ---Medical Battalion | 599 | |
| ------HQ and Service Company | 89 | |
| ------Medical Company (x5) | 102 | |
| Artillery Regiment | 2,639 | |
| HQ and Service Battery | 229 | |
| 105mm Howitzer Battalion (x2) | 602 | |
| ---HQ and Service Battery | 161 | |
| ---105mm Howitzer Battery (x3) | 4 105mm howitzers | 147 |
| 75mm Pack Howitzer Battalion (x3) | 603 | |
| ---HQ and Service Battery | 159 | |
| ---75mm Howitzer Battery (x3) | 4 75mm howitzers | 148 |
| Infantry Regiment (x3) | 3,218 | |
| ---HQ and Service Company | 261 | |
| ---Weapons Company | 203 | |
| ------Company HQ | 71 | |
| ------75mm SP Gun Platoon | 4 75mm SP AT | 36 |
| ------37mm Gun Platoon (x3) | 4 37mm AT | 32 |
| ---Infantry Battalion (x3) | 918 | |
| ------HQ Company | 213 | |
| ---------Battalion HQ | 138 | |
| ---------Company HQ | 17 | |
| ---------81mm Mortar Platoon | 4 81mm mortars | 58 |
| ------Rifle Company (x3) | 235 | |
| ---------Company HQ | 3 60mm mortars | 58 |
| ---------Machine Gun Platoon | 6 .30 LMG, 6 .30 HMG | 43 |
| ---------Rifle Platoon (x3) | 46 | |
| TOTAL | 17,465 |
| Weapons Recapitulation | ||
|---|---|---|
| Weapon | Regiment # | Division # |
| .45-cal M1911/M1911A1 pistol | * | 399 |
| .45-cal M1A1 submachine gun | 49 | |
| .30-cal M1 carbine | 1,794 | 10,953 |
| .30-cal M1 rifle | 1,179 | 5,436 |
| .30-cal M1918A2 automatic rifle (BAR) | 243 | 853 |
| .30-cal M1917A1 heavy machine gun (watercooled) | 54 | 162 |
| .30-cal M1919A4 light machine gun (aircooled) | 65 | 302 |
| .50-cal HB-M2 heavy machine gun (aircooled) | 12 | 161 |
| 12-ga M97/M12 riot shotgun | 100 | 306 |
| 37mm M3A1 antitank gun | 12 | 36 |
| 75mm M3 self-propelled antitank gun (halftrack-mounted) | 4 | 12 |
| 75mm M1A1 pack howitzer | 24 | |
| 105mm M2A1 howitzer | 24 | |
| 60mm M2 mortar | 39 | 117 |
| 81mm M1 mortar | 12 | 36 |
| 2.36-inch M1 antitank rocket launcher | 43 | 172 |
| M1A1/M2-2 portable flamethrower | 81 | 243 |
| E4-5 mechanized flamethrower kit (retrofitted to M4 tank) |
24 | |
| M4A2/M4A3 medium tank | 46 | |
| LVT support type amphibian tractor | 71 | |
| M29C amphibian cargo carrier* | ? | |
| The pistol was replaced by the carbine within infantry and artillery regiments. *Special issue to the 3d, 4th, and 5th Marine Diviison for the Iwo Jima assault. | ||
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Compiled and formatted by Patrick Clancey