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World War II Armed Forces – Orders of Battle and Organizations | Last Updated 21.07.2005 |
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United States Army
Authorized Organization 1940 Infantry Division (Square) 1 November 1940 |
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Infantry Divisions
7 December 1941 These are National Guard divisions inducted into Federal service 1940/41. Known as the "square" divisional organization. Note that the word "Infantry" was not added until after their conversion in 1942 to the triangular organization. |
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| Division
date inducted [1] date converted [2] |
Brigade
– units |
Brigade
– units |
Brigade
– units |
Engineer
Regiment |
Signal
Company |
Ordnance
Maintenance Company |
Quarter-
Master Regiment |
Medical
Regiment |
|
| 26 (National Guard)
16.01.41 12.02.42 |
51 Infantry
– 101 Inf Rgt – 182 Inf Rgt |
52 Infantry
– 104 Inf Rgt – 181 Inf Rgt |
51 Artillery
– 101 FA Rgt (75mm) – 102 FA Rgt (75mm) – 180 FA Rgt (155mm) |
101 | 26 | 101 | 101 | 101 | |
| 27 (National Guard)
15.10.40 01.09.42 |
53 Infantry
– 105 Inf Rgt – 106 Inf Rgt |
54 Infantry
– 108 Inf Rgt – 165 Inf Rgt |
52 Artillery
– 104 FA Rgt (75mm) – 105 FA Rgt (75mm) – 106 FA Rgt (155mm) |
102 | 27 | 102 | 102 | 102 | |
| 28 (National Guard)
17.02.41 17.02.42 |
55 Infantry
– 109 Inf Rgt – 110 Inf Rgt |
56 Infantry
– 111 Inf Rgt – 112 Inf Rgt |
53 Artillery
– 107 FA Rgt (75mm) – 108 FA Rgt (155mm) – 109 FA Rgt (75mm) |
103 | 28 | 103 | 103 | 103 | |
| 29 (National Guard)
03.02.41 12.03.42 |
58 Infantry
– 115 Inf Rgt – 175 Inf Rgt |
88 Infantry
– 116 Inf Rgt – 176 Inf Rgt |
54 Artillery
– 110 FA Rgt (75mm) – 111 FA Rgt (75mm) – 176 FA Rgt (155mm) |
121 | 29 | 104 | 104 | 104 | |
| 30 (National Guard)
16.09.40 16.02.42 [note 3] |
59 Infantry
– 118 Inf Rgt – 121 Inf Rgt |
60 Infantry
– 117 Inf Rgt – 120 Inf Rgt |
55 Artillery
– 113 FA Rgt (155mm) – 115 FA Rgt (75mm) – 118 FA Rgt (75mm) |
105 | 30 | 105 | 105 | 105 | |
| 31 (National Guard)
25.11.40 27.02.42 |
61 Infantry
– 155 Inf Rgt – 156 Inf Rgt |
62 Infantry
– 154 Inf Rgt – 167 Inf Rgt |
56 Artillery
– 114 FA Rgt (155mm) – 116 FA Rgt (75mm) – 117 FA Rgt (75mm) |
106 | 31 | 106 | 106 | 106 | |
| 32 (National Guard)
15.10.40 01.02.42 |
63 Infantry
– 125 Inf Rgt – 126 Inf Rgt |
64 Infantry
– 127 Inf Rgt – 128 Inf Rgt |
57 Artillery
– 120 FA Rgt (75mm) – 121 FA Rgt (155mm) – 126 FA Rgt (75mm) |
107 | 32 | 107 | 107 | 107 | |
| 33 (National Guard)
05.03.41 21.02.42 |
65 Infantry
– 129 Inf Rgt – 130 Inf Rgt |
66 Infantry
– 131 Inf Rgt – 132 Inf Rgt |
58 Artillery
– 122 FA Rgt (75mm) – 123 FA Rgt (155mm) – 124 FA Rgt (75mm) |
108 | 33 | 108 | 108 | 108 | |
| 34 (National Guard)
10.02.41 01.02.42 |
67 Infantry
– 133 Inf Rgt – 168 Inf Rgt |
68 Infantry
– 135 Inf Rgt – 164 Inf Rgt |
59 Artillery
– 125 FA Rgt (75mm) – 151 FA Rgt (75mm) – 185 FA Rgt (155mm) |
109 | 34 | 109 | 109 | 136 | |
| 35 (National Guard)
23.12.40 01.03.42 |
69 Infantry
– 134 Inf Rgt – 137 Inf Rgt |
70 Infantry
– 138 Inf Rgt – 140 Inf Rgt |
60 Artillery
– 127 FA Rgt (155mm) – 130 FA Rgt (75mm) – 161 FA Rgt (75mm) |
110 | 35 | 110 | 110 | 110 | |
| 36 (National Guard)
25.11.40 01.02.42 |
71 Infantry
– 141 Inf Rgt – 142 Inf Rgt |
72 Infantry
– 143 Inf Rgt – 144 Inf Rgt |
61 Artillery
– 131 FA Rgt (75mm) – 132 FA Rgt (75mm) – 133 FA Rgt (155mm) |
111 | 36 | 111 | 111 | 111 | |
| 37 (National Guard)
15.10.40 01.02.42 |
73 Infantry
– 145 Inf Rgt – 148 Inf Rgt |
74 Infantry
– 147 Inf Rgt – 166 Inf Rgt |
62 Artillery
– 134 FA Rgt (75mm) – 135 FA Rgt (75mm) – 136 FA Rgt (155mm) |
112 | 37 | 112 | 112 | 112 | |
| 38 (National Guard)
17.01.41 01.03.42 |
75 Infantry
– 149 Inf Rgt – 150 Inf Rgt |
76 Infantry
– 151 Inf Rgt – 152 Inf Rgt |
63 Artillery
– 138 FA Rgt (75mm) – 139 FA Rgt (75mm) – 150 FA Rgt (155mm) |
113 | 38 | 113 | 113 | 113 | |
| 40 (National Guard)
03.03.41 18.02.42 [Note 4] |
79 Infantry
– 159 Inf Rgt – 184 Inf Rgt |
80 Infantry
– 160 Inf Rgt – 185 Inf Rgt |
65 Artillery
– 143 FA Rgt (75mm) – 145 FA Rgt (75mm) – 222 FA Rgt (155mm) |
115 | 40 | 115 | 115 | 115 | |
| 41 (National Guard)
16.09.40 17.02.42 [Note 5] |
81 Infantry
– 161 Inf Rgt – 163 Inf Rgt |
82 Infantry
– 162 Inf Rgt – 186 Inf Rgt |
66 Artillery
– 146 FA Rgt (75mm) – 148 FA Rgt (75mm) – 218 FA Rgt (155mm) |
116 | 41 | 116 | 116 | 116 | |
| 43 (National Guard)
24.02.41 19.02.42 |
85 Infantry
– 102 Inf Rgt – 169 Inf Rgt |
86 Infantry
– 103 Inf Rgt – 172 Inf Rgt |
68 Artillery
– 103 FA Rgt (75mm) – 152 FA Rgt (75mm) – 192 FA Rgt (155mm) |
118 | 43 | 118 | 118 | 118 | |
| 44 (National Guard)
16.09.40 16.01.42 |
57 Infantry
– 113 Inf Rgt – 114 Inf Rgt |
87 Infantry
– 71 Inf Rgt – 174 Inf Rgt |
69 Artillery
– 156 FA Rgt (75mm) – 157 FA Rgt (155mm) – 165 FA Rgt (75mm) |
104 | 44 | 119 | 119 | 119 | |
| 45 (National Guard)
16.02.40 23.02.42 |
89 Infantry
– 157 Inf Rgt – 158 Inf Rgt |
90 Infantry
– 179 Inf Rgt – 180 Inf Rgt |
70 Artillery
– 158 FA Rgt (75mm) – 160 FA Rgt (75mm) – 189 FA Rgt (155mm) |
120 | 45 | 120 | 120 | 120 | |
| [1] Inducted into Federal service.
[2] Converted to the triangular organization. and redesignated as Infantry Division. [3] The 121st Infantry Regiment was relieved from the 30th Division on 22.11.41. Indicated here for historical purposes. [4] The 159th Infantry Regiment was relieved from the 40th Division on 29.09.41. Indicated here for historical purposes. [5] The HHB and 1st Battalion, 148th Artillery Regiment had been relieved from the 41st Division on 21.11.41. Indicated here for historical purposes. (2nd Battalion was relieved on 28.12.41.) |
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