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THE E-SERIES MARINE DIVISION |
Approved on 15 April 1943, the E-100 series table of organization formed the basis of the Marine divisional structure of the mid-war period. Divisions organized under T/O E-100 fought in the campaigns for the Northern Solomons, Cape Gloucester, and Tarawa. At various stages in their careers, the 1st, 2nd, 3rd, and 4th Marine divisions all utilized the E-100 table of organization.
Marine Division Table of Organization E-100
Divisional units |
Officer
USMC
|
Enlisted
USMC
|
|
Enlisted
USN
|
Total |
| Division Headquarters |
(51) |
(139) |
(8) |
(13) |
(211) |
| Special Troops |
157 |
2,098 |
14 |
46 |
2,317 |
| Headquarters Battalion |
(83) |
(736) |
(11) |
(21) |
(851) |
| Special Weapons Battalion |
(38) |
(703) |
(2) |
(14) |
(757) |
| Tank Battalion |
36 |
659 |
1 |
11 |
707 |
| Service Troops |
78 |
1,682 |
42 |
398 |
2,200 |
| Service Battalion |
(27) |
(614) |
(2) |
(18) |
(661) |
| Motor Transport Battalion |
(28) |
(489) |
(1) |
(9) |
(539) |
| Amphibian Tractor Battalion |
(22) |
(454) |
(1) |
(9) |
(486) |
| Medical Battalion |
(1) |
(125) |
(38) |
(362) |
(526) |
| Engineer Regiment |
74 |
1,548 |
35 |
860 |
2,517 |
| Engineer Battalion |
(21) |
(614) |
(1) |
(9) |
(645) |
| Pioneer Battalion |
(31) |
(678) |
(3) |
(32) |
(744) |
| Naval Construction Battalion |
|
|
(26) |
(812) |
(838) |
| Artillery Regiment |
188 |
2,956 |
9 |
54 |
3,207 |
| 3 Pack Howizer Battalions (each) |
(34) |
(561) |
(1) |
(9) |
(605) |
| 2 Howitzer Battalions (each) |
(33) |
(551) |
(1) |
(9) |
(594) |
| 3 Infantry Regiments (each) |
137 |
2,984 |
11 |
110 |
3,242 |
| 3 Infantry Battalions (each) |
(36) |
(883) |
(2) |
(32) |
(953) |
| Division Totals |
908 |
17,236 |
133 |
1,688 |
18,924 |
Notes:
1. Numbers in parentheses are included in the strength of the next higher headquarters.
2. For clarity, company size units are omitted from this table. All units inclued headquarters companies, and either subordinate companies, or batteries.
Major Weapons and Transportation of the E-series Marine Division
WEAPON |
NUMBER |
TRANSPORTATION |
NUMBER |
| Carbine, .30 cal., M1 |
11,074 |
1/4-ton 4x4 Ambulance |
48 |
| Flamethrower, portable |
24 |
1/2-ton 4x4 Ambulance |
11 |
| Gun, 37mm, antitank |
54 |
5-passenger car |
3 |
| Gun, 40mm, antiaircraft |
16 |
Motorcycle |
12 |
| 75mm M3 antitank halftrack |
12 |
4x4 station wagon |
12 |
| M1919A4 machine gun |
682 |
Amphibian Tractor |
100 |
| M1917A1 machine gun |
108 |
Miscellaneous Tractors |
73 |
| M2 HB machine gun |
343 |
1/4-ton cargo trailer |
92 |
| M1A1 .45 submachine gun |
78 |
1/2-ton dump trailer |
20 |
| Pack howitzer, 75mm |
36 |
1-ton cargo trailer |
125 |
| Howitzer, 105mm |
24 |
1-ton water trailer |
81 |
| M1A1 antitank rocket launcher |
243 |
Miscellaneous trailers |
123 |
| 60mm mortar |
81 |
1/4-ton 4x4 truck |
375 |
| 81mm mortar |
81 |
1/4-ton 4x4 truck w/radio |
134 |
| M1911A1 .45 cal. pistol |
299 |
1-ton 4x4 cargo truck |
268 |
| Rifle, .30 cal., M1 |
8,030 |
1/4-ton 4x4 truck w/radio |
22 |
| M1918A2 BAR |
558 |
2 &1/2-ton 4x4 cargo truck |
48 |
| Shotgun, 12 gauge |
306 |
2 & 1/2-ton 6x6 cargo truck |
198 |
| Light tank |
54 |
2 & 1/2-ton 6x6 dump truck |
51 |
| Light tank retriever |
3 |
Miscellaneous trucks |
51 |
NOTE: The source for all information on the page is T/O E-100, 15 April 1943.
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