List of formations of the United States Army during World War II
This is a list of formations of the United States Army during the World War II. Many of these formations still exist today, though many by different designations. Included are formations that were placed on rolls, but never organized, as well as "phantom" formations used in the Allied Operation Quicksilver deception of 1944—these are marked accordingly.
Army groups
1st Army Group ("phantom" formation)
6th Army Group
12th Army Group
15th Army Group
Field armies
First Allied Airborne Army
First United States Army
Second United States Army
Third United States Army
Fourth United States Army
Fifth United States Army
Sixth United States Army
Seventh United States Army
Eighth United States Army
Ninth United States Army
Tenth United States Army
Fourteenth United States Army ("phantom" formation)
Fifteenth United States Army
Corps
I Corps
I Armored Corps
II Corps
III Corps
IV Corps
V Corps
VI Corps
VII Corps
VIII Corps
IX Corps
X Corps
XI Corps
XII Corps
XIII Corps
XIV Corps
XV Corps
XVI Corps
XVIII Airborne Corps
XIX Corps
XX Corps
XXI Corps
XXII Corps
XXIII Corps
XXIV Corps
XXXIII Corps ("phantom" formation)
XXXVI Corps
- XXXVII Corps ("phantom" formation)
Divisions
Airborne, armored, cavalry, infantry, and mountain divisions are grouped separately. The numbering system for the airborne and mountain divisions are a continuation of the infantry numbering system—"phantom" formations are an exception to that numbering system.
Airborne divisions
6th Airborne Division ("phantom" formation)
9th Airborne Division ("phantom" formation)
11th Airborne Division
13th Airborne Division
- 15th Airborne Division (unorganized)
17th Airborne Division
18th Airborne Division ("phantom" formation)
21st Airborne Division ("phantom" formation)
82nd Airborne Division
101st Airborne Division
135th Airborne Division ("phantom" formation)
Armored divisions
1st Armored Division
2nd Armored Division
3rd Armored Division
4th Armored Division
5th Armored Division
6th Armored Division
7th Armored Division
8th Armored Division
9th Armored Division
10th Armored Division
11th Armored Division
12th Armored Division
13th Armored Division
14th Armored Division
15th Armored Division ("phantom" formation)
16th Armored Division
- 18th Armored Division (constituted but never activated)
- 19th Armored Division (constituted but never activated)
20th Armored Division
- 21st Armored Division (constituted but never activated)
- 22nd Armored Division (constituted but never activated)
25th Armored Division ("phantom" formation)
39th Armored Division ("phantom" formation)
Cavalry divisions
Infantry divisions
1st Infantry Division
2nd Infantry Division
3rd Infantry Division
4th Infantry Division
5th Infantry Division
6th Infantry Division
7th Infantry Division
8th Infantry Division
9th Infantry Division
11th Infantry Division ("phantom" formation)
14th Infantry Division ("phantom" formation)
17th Infantry Division ("phantom" formation)
22nd Infantry Division ("phantom" formation)
24th Infantry Division
25th Infantry Division
26th Infantry Division
27th Infantry Division
28th Infantry Division
29th Infantry Division
30th Infantry Division
31st Infantry Division
32nd Infantry Division
33rd Infantry Division
34th Infantry Division
35th Infantry Division
36th Infantry Division
37th Infantry Division
38th Infantry Division
40th Infantry Division
41st Infantry Division
42nd Infantry Division
43rd Infantry Division
44th Infantry Division
45th Infantry Division
- 46th Infantry Division ("phantom" formation)
48th Infantry Division ("phantom" formation)
50th Infantry Division ("phantom" formation)
55th Infantry Division ("phantom" formation)
59th Infantry Division ("phantom" formation)
- 61st Infantry Division (constituted but never activated)
- 62nd Infantry Division (constituted but never activated)
63rd Infantry Division
65th Infantry Division
66th Infantry Division
- 67th Infantry Division (constituted but never activated)
- 68th Infantry Division (constituted but never activated)
69th Infantry Division
70th Infantry Division
71st Infantry Division
- 72nd Infantry Division (constituted but never activated)
- 73rd Infantry Division (constituted but never activated)
- 74th Infantry Division (constituted but never activated)
75th Infantry Division
76th Infantry Division
77th Infantry Division
78th Infantry Division
79th Infantry Division
80th Infantry Division
81st Infantry Division
83rd Infantry Division
84th Infantry Division
85th Infantry Division
86th Infantry Division
87th Infantry Division
88th Infantry Division
89th Infantry Division
90th Infantry Division
91st Infantry Division
92nd Infantry Division
93rd Infantry Division
94th Infantry Division
95th Infantry Division
96th Infantry Division
97th Infantry Division
98th Infantry Division
99th Infantry Division
100th Infantry Division
102nd Infantry Division
103rd Infantry Division
104th Infantry Division
- 105th Infantry Division (constituted but never activated)
106th Infantry Division
- 107th Infantry Division (constituted but never activated)
- 108th Infantry Division ("phantom" formation - activated following the war as the 108th Airborne Division)
- 109th Infantry Division ("phantom" formation)
- 112th Infantry Division ("phantom" formation)
119th Infantry Division ("phantom" formation)
- 125th Infantry Division ("phantom" formation)
130th Infantry Division ("phantom" formation)
141st Infantry Division ("phantom" formation)
157th Infantry Division ("phantom" formation)
Americal Division
Philippine Division
Mountain divisions
See also
- Military history of the United States during World War II
- United States in World War II (disambiguation)