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THE F-SERIES MARINE DIVISION
The F-series table of organization was based on lessons learned in the Solomon Islands campaigns and at Tarawa. It was implemented in May 1944. Divisions organized under T/O F-100 fought in the campaigns for Saipan & Tinian, Guam, Peleliu and Iwo Jima. The F-100 Marine division was a robust and well-balanced structure ideally suited for the island campaigns of the Central Pacific.
Marine Division Table of Organization F-100
Divisional units |
Officer |
Enlisted |
Total |
| Division Headquarters |
70 |
187 |
257 |
| Headquarters Battalion |
108 |
896 |
1,004 |
| Tank Battalion |
36 |
594 |
630 |
| Service Troops |
124 |
1,765 |
1,889 |
| Motor Transport Battalion |
29 |
510 |
539 |
| Medical Battalion |
64 |
535 |
599 |
| Engineer Battalion |
42 |
862 |
904 |
| Pioneer Battalion |
41 |
704 |
745 |
| Artillery Regiment |
167 |
2,472 |
2,639 |
| 3 Infantry Regiments |
444 |
9210 |
9654 |
| Division Totals |
962 |
16,503 |
17,465 |
| Note: unit total strengths include 119 Naval officers and 955 Navy enlisted men. These were primarily doctors, hospital corpsmen and chaplains. |
Major Weapons of the F-series Marine Division
WEAPON |
NUMBER |
| Carbine, .30 cal., M1 |
10,953 |
| Flamethrower, portable, M2-2 |
243 |
| Flamethrower, mechanized , E 4-5 |
24 |
| Gun, 37mm, antitank |
36 |
| 75mm M3 antitank halftrack |
12 |
| M1919A4 machine gun |
302 |
| M1917A1 machine gun |
162 |
| M2 HB machine gun |
161 |
| M1A1 .45 submachine gun |
49 |
| Pack howitzer, 75mm |
24 |
| Howitzer, 105mm |
24 |
| M1A1 antitank rocket launcher |
172 |
| 60mm mortar |
117 |
| 81mm mortar |
36 |
| M1911A1 .45 cal. pistol |
399 |
| Rifle, .30 cal., M1 |
5,436 |
| M1918A2 BAR |
853 |
| Shotgun, 12 gauge |
306 |
| M4 medium tank |
46 |
| M32B2 tank retriever |
3 |
NOTE: The source for all information on the page is T/O F-100, 5 May 1944
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