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World War II Armed Forces – Orders of Battle and Organizations | Last Updated 28.12.2006 |
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United States Army
Authorized Organization 1942 Infantry Division 1 April 1942 |
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Infantry Divisions
1 April 1942 to 15 July 1943 |
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| Division | Infantry
Regiment |
Field
Artillery Battalion |
Cavalry
Recon Troop |
Engineer
Battalion |
Medical
Battalion |
Ordnance
Maintenance Company |
Quarter-
Master Company |
Signal
Company |
Military
Police Platoon |
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| 1 Infantry (RA) *
activated: pre-WWII redesignated: 15.05.42 |
16
18 26 |
5 (155mm)
7 (105mm) 32 (105mm) 33 (105mm) |
1 | 1 | 1 | 701 | 1 | 1 | 1 | |||
| 2 Infantry (RA) *
activated: pre-WWII redesignated: 01.08.42 |
9
23 38 |
12 (155mm)
15 (105mm) 37 (105mm) 38 (105mm) |
2 | 2 | 2 | 702 | 2 | 2 | 2 | |||
| 3 Infantry (RA) *
activated: pre-WWII redesignated: 01.08.42 |
7
15 30 |
9 (155mm)
10 (105mm) 39 (105mm) 41 (105mm) |
3 | 10 | 3 | 703 | 3 | 3 | 3 | |||
| 5 Infantry (RA) *
activated: 16.10.39 redesignated: 25.05.43 |
2
10 11 |
19 (105mm)
21 (155mm) 46 (105mm) 50 (105mm) |
5 | 7 | 5 | 705 | 5 | 5 | 5 | |||
| 6 Infantry (RA)
activated: 10.10.39 [Note 1] |
1
20 63 |
1 (105mm)
51 (105mm) 53 (105mm) 80 (155mm) |
6 | 6 | 6 | 706 | 6 | 6 | 6 | |||
| 7 Infantry (RA)
activated: 01.07.40 [Note 2] |
17
32 159 |
31 (155mm)
48 (105mm) 49 (105mm) 57 (105mm) |
7 | 13 | 7 | 707 | 7 | 7 | 7 | |||
| 8 Infantry (RA)
activated: 01.07.40 [Note 3] |
13
28 121 |
28 (155mm)
43 (105mm) 45 (105mm) 56 (105mm) |
8 | 12 | 8 | 708 | 8 | 8 | 8 | |||
| 9 Infantry (RA) *
activated: 01.08.40 redesignated: 01.08.42 |
39
47 60 |
26 (105mm)
34 (155mm) 60 (105mm) 84 (105mm) |
9 | 15 | 9 | 709 | 9 | 9 | 9 | |||
| 24 Infantry (RA)
activated: 01.10.41 |
19
21 34 299 |
11 (155mm)
13 (105mm) 52 (105mm) 63 (105mm) |
24 | 3 | 24 | 724 | 24 | 24 | 24 | |||
| 25 Infantry (AUS)
activated: 01.10.41 [Note 4] |
27
35 298 |
8 (105mm)
64 (105mm) 89 (105mm) 90 (155mm) |
25 | 65 | 25 | 725 | 25 | 25 | 25 | |||
| 26 Infantry (NG) **
inducted: 16.01.41 |
101
104 181 |
101 (105mm)
102 (105mm) 180 (155mm) 262 (105mm) |
26 | 101 | 114 | 726 | 26 | 39 | 101 | |||
| 27 Infantry (NG) **
inducted: 15.10.40 |
105
106 165 |
104 (105mm)
105 (105mm) 106 (155mm) 249 (105mm) |
27 | 102 | 102 | 727 | 27 | 27 | 102 | |||
| 28 Infantry (NG) **
inducted: 17.02.42 |
109
110 112 |
107 (105mm)
108 (155mm) 109 (105mm) 229 (105mm) |
28 | 103 | 103 | 728 | 28 | 28 | 103 | |||
| 29 Infantry (NG) **
inducted: 03.02.41 |
115
116 175 |
110 (105mm)
111 (105mm) 224 (105mm) 227 (155mm) |
29 | 121 | 104 | 729 | 29 | 29 | 104 | |||
| 30 Infantry (NG) **
inducted:16.09.40 [Note 5] |
117
118 119 |
113 (155mm)
118 (105mm) 197 (105mm) 230 (105mm) |
30 | 105 | 105 | 730 | 30 | 30 | 105 | |||
| 31 Infantry (NG) **
inducted: 25.11.40 [Note 6] |
154
155 156 167 |
114 (155mm)
116 (105mm) 117 (105mm) 149 (105mm) |
31 | 106 | 106 | 731 | 31 | 31 | 106 | |||
| 32 Infantry (NG) **
inducted: 15.10.40 |
126
127 128 |
120 (105mm)
121 (155mm) 126 (105mm) 129 (105mm) |
32 | 114 | 107 | 732 | 32 | 32 | 107 | |||
| 33 Infantry (NG) **
inducted: 05.03.41 [Note 7] |
129
130 136 |
122 (105mm)
123 (155mm) 124 (105mm) 210 (105mm) |
33 | 108 | 108 | 733 | 33 | 33 | 108 | |||
| 34 Infantry (NG) **
inducted: 10.02.41 |
133
135 268 |
125 (105mm)
151 (105mm) 175 (105mm) 185 (155mm) |
34 | 109 | 109 | 734 | 34 | 34 | 109 | |||
| 35 Infantry (NG) **
inducted: 23.12.40 [Note 8] |
134
137 140 |
127 (155mm)
161(105mm) 216 (105mm) 219 (105mm) |
35 | 60 | 110 | 735 | 35 | 35 | 110 | |||
| 36 Infantry (NG) **
indicted: 25.11.40 |
141
143 143 |
131 (105mm)
132 (105mm) 133 (105mm) 155 (155mm) |
36 | 111 | 111 | 736 | 36 | 36 | 111 | |||
| 37 Infantry (NG) **
inducted: 15.10.40 [Note 9] |
145
148 147 |
6 (105mm)
135 (105mm) 136 (155mm) 140 (105mm) |
37 | 117 | 112 | 737 | 37 | 37 | 112 | |||
| 38 Infantry (NG) **
inducted: 17.01.41 |
149
151 152 |
138 (105mm)
139 (105mm) 150 (155mm) 163 (105mm) |
38 | 113 | 113 | 738 | 38 | 38 | 113 | |||
| 40 Infantry (NG) **
inducted: 03.03.41 [Note 10] |
160
184 185 |
143 (105mm)
164 (105mm) 213 (105mm) 222 (155mm) |
40 | 115 | 115 | 740 | 40 | 40 | 115 | |||
| 41 Infantry (NG) **
inducted: 16.09.40 |
162
163 186 |
146 (105mm)
167 (105mm) 205 (105mm) 218 (155mm) |
41 | 116 | 116 | 741 | 41 | 41 | 116 | |||
| 43 Infantry (NG) **
inducted: 24.02.41 |
103
169 172 |
103 (105mm)
152 (105mm) 169 (105mm) 192 (155mm) |
43 | 118 | 118 | 743 | 43 | 43 | 118 | |||
| 44 Infantry (NG) **
inducted: 16.09.40 [Note 11] |
71
114 174 |
156 (105mm)
157 (155mm) 217 (105mm) 220 (105mm) |
44 | 63 | 119 | 744 | 44 | 44 | 119 | |||
| 45 Infantry (NG) **
inducted: 16.02.40 |
157
179 180 |
168 (105mm)
160 (105mm) 171 (105mm) 189 (155mm) |
45 | 120 | 120 | 700 | 45 | 45 | 120 | |||
| 63 Infantry (AUS)
activated: 15.06.43 |
253
354 355 |
718 (155mm)
861 (105mm) 862 (105mm) 863 (105mm) |
63 | 263 | 363 | 763 | 63 | 563 | ? | |||
| 66 Infantry (AUS)
activated: 15.04.43 |
262
263 264 |
721 (155mm)
870 (105mm) 871 (105mm) 872 (105mm) |
66 | 266 | 366 | 766 | 66 | 566 | ? | |||
| 69 Infantry (AUS)
activated: 15.05.43 |
271
272 273 |
724 (155mm)
879 (105mm) 880 (105mm) 881 (105mm) |
69 | 269 | 369 | 769 | 69 | 569 | ? | |||
| 70 Infantry (AUS)
activated: 15.06.43 |
274
275 276 |
725 (155mm)
882 (105mm) 883 (105mm) 884 (105mm) |
70 | 270 | 370 | 770 | 70 | 570 | ? | |||
| 75 Infantry (AUS)
activated: 15.04.43 |
289
290 291 |
730 (155mm)
897 (105mm) 898 (105mm) 899 (105mm) |
75 | 275 | 372 | 775 | 75 | 575 | ? | |||
| 76 Infantry (OR) ***
activated: 15.06.42 converted: 01.08.42 |
304
385 417 |
302 (105mm)
355 (105mm) 364 (155mm) 901 (105mm) |
76 | 301 | 301 | 776 | 76 | 76 | ? | |||
| 77 Infantry (OR) ***
activated: 25.03.42 converted: 01.08.42 |
305
306 307 |
304 (105mm)
305 (105mm) 306 (155mm) 902 (105mm) |
77 | 302 | 302 | 777 | 77 | 77 | ? | |||
| 78 Infantry (OR) ***
activated: 20.02.42 converted: 01.03.43 |
309
310 311 |
308 (105mm)
308 (105mm) 309 (155mm) 903 (105mm) |
78 | 303 | 303 | 778 | 78 | 78 | ? | |||
| 79 Infantry (OR) ***
activated: 12.06.42 converted: 01.08.42 |
313
314 315 |
310 (105mm)
311 (105mm) 312 (155mm) 904 (105mm) |
79 | 304 | 304 | 779 | 79 | 79 | ? | |||
| 80 Infantry (OR) ***
activated: 15.06.42 converted: 01.08.42 |
317
318 319 |
313 (105mm)
314 (105mm) 315 (155mm) 905 (105mm) |
80 | 305 | 305 | 780 | 80 | 80 | ? | |||
| 81 Infantry (OR) ***
activated: 15.06.42 converted: 01.08.42 |
321
322 323 |
316 (105mm)
317 (105mm) 318 (155mm) 906 (105mm) |
81 | 306 | 306 | 781 | 81 | 81 | ? | |||
| 82 Infantry (OR) ***
activated: 25.03.42 converted: 24.05.42 [Note 12] |
325
326 327 |
319 (105 mm)
320 (105 mm) 321 (155 mm) 907 (105 mm) |
83 | 307 | 307 | 782 | 82 | 82 | ? | |||
| 83 Infantry (OR) ***
activated: 15.08.42 converted: 15.08.42 |
329
330 331 |
322 (105mm)
232 (105mm) 324 (155mm) 908 (105mm) |
83 | 308 | 308 | 783 | 83 | 83 | ? | |||
| 84 Infantry (OR) ***
activated: 15.10.42 converted: 15.10.42 |
333
334 335 |
325 (105mm)
326 (105mm) 327 (155mm) 909 (105mm) |
84 | 309 | 309 | 784 | 84 | 84 | ? | |||
| 85 Infantry (OR) ***
activated: 15.05.42 converted: 01.08.42 |
337
338 339 |
328 (105mm)
329 (105mm) 403 (155mm) 910 (105mm) |
85 | 310 | 310 | 785 | 85 | 85 | ? | |||
| 86 Infantry (OR) ***
activated: 15.12.42 converted: 15.12.42 |
341
342 343 |
331 (105mm)
332 (105mm) 404 (155mm) 911 (105mm) |
86 | 311 | 311 | 786 | 86 | 86 | ? | |||
| 87 Infantry (OR) ***
activated: 15.12.42 converted: 15.12.42 |
345
346 347 |
334 (105mm)
335 (155mm) 336 (105mm) 912 (105mm) |
87 | 312 | 312 | 787 | 87 | 87 | ? | |||
| 88 Infantry (OR) ***
activated: 15.07.42 converted: 01.08.42 |
349
350 351 |
337 (105mm)
338 (105mm) 339 (155mm) 913 (105mm) |
88 | 313 | 313 | 788 | 88 | 88 | ? | |||
| 90 Infantry (OR) ***
activated: 25.03.42 converted: 01.05.43 [Note 13] |
357
358 359 |
343 (105mm)
344 (105mm) 345 (155mm) 915 (105mm) |
90 | 315 | 315 | 790 | 90 | 90 | ? | |||
| 91 Infantry (OR) ***
activated: 15.08.42 converted: 15.08.42 |
361
362 363 |
346 (105mm)
347 (105mm) 348 (155mm) 916 (105mm) |
91 | 316 | 316 | 791 | 91 | 91 | ? | |||
| 92 Infantry (Colored)(AUS)
activated: 15.10.42 |
365
370 371 |
597 (105mm)
598 (105mm) 599 (105mm) 600 (155mm) |
92 | 317 | 317 | 792 | 92 | 92 | ? | |||
| 93 Infantry (Colored)(AUS)
activated: 15.05.42 |
25
368 369 |
593 (105mm)
594 (105mm) 595 (105mm) 596 (155mm) |
93 | 318 | 318 | 793 | 93 | 93 | ? | |||
| 94 Infantry (OR) ***
activated: 15.09.42 converted: 15.09.42 |
301
302 376 |
301 (105mm)
356 (105mm) 390 (155mm) 919 (105mm) |
94 | 319 | 319 | 794 | 94 | 94 | ? | |||
| 95 Infantry (OR) ***
activated: 15.07.42 converted: 01.08.42 |
377
378 379 |
359 (105mm)
359 (105mm) 369 (155mm) 920 (105mm) |
95 | 320 | 320 | 795 | 95 | 95 | ? | |||
| 96 Infantry (OR) ***
activated: 15.08.42 converted: 15.08.42 |
381
382 383 |
361 (105mm)
362 (105mm) 363 (155mm) 921 (105mm) |
96 | 321 | 321 | 796 | 96 | 96 | ? | |||
| 97 Infantry (OR) ***
activated: 25.02.43 converted: 25.02.43 |
303
386 387 |
303 (105mm)
365 (105mm) 389 (155mm) 922 (105mm) |
97 | 322 | 322 | 797 | 97 | 97 | ? | |||
| 98 Infantry (OR) ***
activated: 15.09.42 converted: 15.09.42 |
389
390 391 |
367 (105mm)
368 (105mm) 369 (155mm) 923 (105mm) |
98 | 323 | 323 | 798 | 98 | 98 | ? | |||
| 99 Infantry (OR) ***
activated: 15.11.42 converted: 15.11.42 |
393
394 395 |
370 (105mm)
371 (105mm) 372 (155mm) 924 (105mm) |
99 | 324 | 324 | 799 | 99 | 99 | ? | |||
| 100 Infantry (OR) ***
activated: 15.11.42 converted: 15.11.42 |
397
398 399 |
373 (155mm)
274 (105mm) 375 (105mm) 925 (105mm) |
100 | 325 | 325 | 800 | 100 | 100 | ? | |||
| 102 Infantry (OR) ***
activated: 15.09.42 converted: 15.09.42 |
405
406 407 |
379 (105mm)
380 (105mm) 381 (155mm) 927 (105mm) |
102 | 327 | 327 | 802 | 102 | 102 | ? | |||
| 103 Infantry (OR) ***
activated: 15.11.42 |
409
410 411 |
382 (105mm)
383 (105mm) 384 (155mm) 928 (105mm) |
103 | 328 | 328 | 803 | 103 | 103 | ? | |||
| 104 Infantry (OR) ***
activated: 15.09.42 converted: 15.09.42 |
413
414 415 |
385 (105mm)
386 (105mm) 387 (155mm) 929 (105mm) |
104 | 329 | 329 | 804 | 104 | 104 | ? | |||
| 106 Infantry (AUS)
activated: 15.02.43 |
422
423 424 |
589 (105mm)
590 (105mm) 591 (105mm) 592 (155mm) |
106 | 81 | 331 | 806 | 106 | 106 | ? | |||
| Americal
activated: 24.05.42 |
132
164 182 |
221 (155mm)
245 (105mm) 246 (105mm) 247 (105mm) |
21 | 57 | 121 | 721 | 125 | 26 | ? | |||
| Notes:
(RA) * Date the Regular Army divisions were redesignated as Infantry Divisions. (NG) ** Date the National Guard divisions were inducted into Federal service. (OR) *** Date the Organized Reserve divisions were ordered into active military service. Some OR divisions were activated directly as infantry divisions, while others were converted later. Some, but not all of these latter divisions functioned as Replacement Pool divisions until they too were finally converted to infantry divisions. [1] The 6th Motorized Division until 21.05.43; the 6th Infantry Division. [2] The 7th Motorized Division until 01.01.43; then 7th Infantry Division. [3] The 8th Motorized Division until 15.05.43; then 8th Infantry Division. [4] The 298th Infantry Regiment was replaced by the 161st Infantry Regiment on 23.07.42. [5] The 118th Infantry Regiment was replaced by the 120th Infantry Regiment on 01.09.42. [6] The 156th Infantry Regiment was relieved from the division on 14.07.42. [7] The 123rd Infantry Regiment was assigned on 28.09.42. [8] The 140th Infantry Regiment was replaced by the 320th Infantry Regiment on 26.01.43. [9] The 147th Infantry Regiment was relieved from the division in April 1942. [10] The 184th Infantry Regiment was relieved from the division on 16.06.42. The 160th Infantry Regiment was replaced by the 165th Infantry Regiment on 01.09.42. The 108th Infantry Regiment was assigned to the division as of 01.09.42. [11] The 174th Infantry Regiment was replaced by the 324th Infantry Regiment on 01.02.43. [12] The 82nd Infantry Division until 15.08.42; then 82nd Airborne Division, moved to Fort Bragg, NC and reorganized. [13] The 90th Motorized Division until 01.05.43; then 90th Infantry Division. |
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