List of formations of the United States Army during World War II

Updated on Nov 13, 2023

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This is a list of formations of the United States Army during the Second World War. 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 (unorganized)

19th Armored Division (unorganized)

20th Armored Division

21st Armored Division (unorganized)

22nd Armored Division (unorganized)

39th Armored Division ("phantom" formation)

Cavalry Divisions

1st Cavalry Division

2nd Cavalry Division

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)

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 (unorganized)

62nd Infantry Division (unorganized)

63rd Infantry Division

65th Infantry Division

66th Infantry Division

67th Infantry Division (unorganized)

68th Infantry Division (unorganized)

69th Infantry Division

70th Infantry Division

71st Infantry Division

72nd Infantry Division (unorganized)

73rd Infantry Division (unorganized)

74th Infantry Division (unorganized)

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

106th Infantry Division

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

10th Mountain Division

References

List of formations of the United States Army during World War II Wikipedia

(Text) CC BY-SA

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