United States Marine Corps, 1940-1945

E-100 Series Marine Division (15 Apr 1943)

Element   Strength
Division HQ   211
Special Troops   2,317
---HQ Battalion   851
------HQ Company   420
------Signal Company   340
------Military Police Company   101
---Special Weapons Battalion   757
------HQ and Service Battery   102
------Antitank Battery (x3) 6 37mm AT, 2 75mm SP AT 116
------40mm Antiaircraft Artillery Battery 16 40mm AA 307
---Light Tank Battalion   707
------HQ and Service Company   85
------Tank Company (x3) 18 M3 tanks 161
------Scout Company   139
Service Troops   2,200
---Service Battalion   661
------HQ Company   62
------Service and Supply Company   455
------Ordnance Company   144
---Motor Transport Battalion   527
------HQ and Service Company   188
------Transport Company (x3)   113
---Medical Battalion   526
------HQ and Service Company   21
------Medical Company (x5)   101
---Amphibian Tractor Battalion 100 amtrac, 73 spt amtrac 486
------HQ and Service Company   81
------Amphibian Tractor Company (x3)   135
Engineer Regiment   2,513
---HQ and Service Company   290
---Engineer Battalion   645
------HQ Company   60
------Engineer Company (x3)   195
---Pioneer Battalion   744
------HQ Company   120
------Pioneer Company (x3)   208
---Naval Construction Battalion   838
------HQ Company   158
------Construction Company (x3)   230
Artillery Regiment   2,207
---HQ and Service Battery   204
---105mm Howitzer Battalion (x2)   594
------HQ and Service Battery   150
------105mm Howitzer Battery (x3) 4 105mm howitzers 148
---75mm Pack Howitzer Battalion (x3)   605
------HQ and Service Battery   152
------75mm Howitzer Battery (x3) 4 75mm howitzers 151
Infantry Regiment (x3)   3,242
---HQ and Service Company   186
---Weapons Company   197
------Company HQ   69
------75mm SP Gun Platoon 2 75mm SP AT 26
------37mm Gun Platoon (x3) 4 37mm AT 34
---Infantry Battalion (x3)   953
------HQ Company   137
---------Battalion HQ   123
---------Company HQ   14
------Weapons Company   288
---------Company HQ   41
---------81mm Mortar Platoon 4 81mm mortars 58
---------Machine Gun Platoon (x3) 12 .30 HMG 43
------Rifle Company (x3)   196
---------Company HQ   28
---------Weapons Platoon 3 .30 LMG, 3 60mm mortars 39
---------Rifle Platoon (x3)   43
TOTAL   19,965

Weapons Recapitulation
Weapon Regiment # Division #
.45-cal M1911/M1911A1 pistol * 299
.45-cal M1A1 submachine gun   78
.30-cal M1 carbine 1,405 11,074
.30-cal M1 rifle 1,673 8,030
.30-cal M1918A2 automatic rifle (BAR) 162 558
.30-cal M1917A1 heavy machine gun (watercooled) 36 108
.30-cal M1919A4 light machine gun (aircooled) 69 682
.50-cal HB-M2 heavy machine gun (aircooled) 16 343
12-ga M97/M12 riot shotgun 100 306
37mm M3A1 antitank gun 12 54
40mm M1 antiaircraft gun   16
75mm M3 self-propelled antitank gun (halftrack-mounted) 2 12
75mm M1A1 pack howitzer   36
105mm M2A1 howitzer   24
60mm M2 mortar 27 81
81mm M1 mortar 12 36
2.36-inch M1 antitank rocket launcher 53 243
M1 portable flamethrower   24
M3-series light tank   54
LVT troop type amphibian tractor   100
LVT support type amphibian tractor   73
The pistol was replaced by the carbine within infantry and artillery regiments.

Besides the M3-series light tanks, some M4A1 mediums were issued to certain units in 1943 and some M5A1 lights were used in early 1944.


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Last updated: December 18, 1999

Feedback: corrections, additions, and comments are welcome!

Compiled and formatted by Patrick Clancey