National Guard Division (Square), US Army, 07.12.41

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.
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.)