Formations of the United States Army

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This is a list of historical formations of the United States Army. Units still in existence are in bold.

Other specific era lists include:

Formations of the United States Army during World War I
Formations of the United States Army during World War II
Formations of the United States Army during the Cold War
Formations of the United States Army during the War on Terrorism
Formations of the United States Army presently in existence

1 Army Groups
2 Field Armies
3 Army Corps
4 Army Divisions
5 See Also

[edit] Army Groups

First U.S. Army Group (World War II "phantom" formation)
6th Army Group
12th Army Group
U.S./U.K. 15th Army Group
U.S./U.K. 21st Army Group

[edit] Field Armies

First Allied Airborne Army
First United States Army - U.S. Army Training, Readiness, and Mobilization Command command formation
Second United States Army
Third United States Army - United States Army Central command formation
Fourth United States Army
Fifth United States Army - United States Army North command formation
Sixth United States Army - United States Army South command formation
Seventh United States Army - United States Army Europe command formation
Eighth United States Army - United States Army Korea command formation
Ninth United States Army
Tenth United States Army
Fourteenth United States Army (World War II "phantom" formation)
Fifteenth United States Army

[edit] Army Corps

Airborne, armored, and infantry are grouped separately. The numbering system for the airborne corps is a continuation of the infantry numbering system.

[edit] Airborne Corps

U.S. XVIII Airborne Corps

[edit] Armored Corps

U.S. I Armored Corps (Now the U.S. Seventh Army)
U.S. II Armored Corps (Now the U.S. XVIII Airborne Corps)
U.S. III Armored Corps (Now the U.S. III Corps)
U.S. IV Armored Corps

[edit] Army Corps

[edit] Army Divisions

Airborne, armored, cavalry, infantry, and mountain are grouped separately. The numbering system for the air assault, airborne, and mountain divisions are a continuation of the infantry numbering system. Locales given are locations of the division headquarters.

Additional fictitious divisions belonging to the non-existent U.S. Fourteenth Army were created as part of the Operation Quicksilver deception in 1944.

[edit] Air Assault divisions

U.S. 11th Air Assault Division (Test) (1963-1965)

[edit] Air Cavalry divisions

U.S. 1st Air Cavalry Division (1965-1971)

[edit] Airborne divisions

U.S. 6th Airborne Division (World War II "phantom" division)
U.S. 9th Airborne Division (World War II "phantom" division)
U.S. 11th Airborne Division "Angels"
U.S. 13th Airborne Division "Black Cats"
U.S. 15th Airborne Division (activation cancelled)
U.S. 17th Airborne Division "Golden Talons"
U.S. 18th Airborne Division (World War II "phantom" division)
U.S. 21st Airborne Division (World War II "phantom" division)
U.S. 80th Airborne Division (1946-1952)
U.S. 82nd Airborne Division "All American" at Fort Bragg, North Carolina
U.S. 84th Airborne Division (1946-1952)
U.S. 100th Airborne Division (1946-1952)
U.S. 101st Airborne Division (Air Assault) "Screaming Eagles" at Fort Campbell, Kentucky
U.S. 108th Airborne Division (1946-1952)
U.S. 135th Airborne Division (World War II "phantom" division)

[edit] Armored divisions

U.S. 1st Armored Division "Old Ironsides" at Wiesbaden, Germany
U.S. 2d Armored Division "Hell On Wheels"
U.S. 3rd Armored Division "Spearhead Division"
U.S. 4th Armored Division "Breakthrough Division"
U.S. 5th Armored Division "Victory"
U.S. 6th Armored Division "Super Sixth", "Bulgebusters"
U.S. 7th Armored Division "Lucky Seventh"
U.S. 8th Armored Division "Showhorse"
U.S. 9th Armored Division "The Phantom Division"
U.S. 10th Armored Division "Tiger Division"
U.S. 11th Armored Division "Thunderbolt Division"
U.S. 12th Armored Division "Hellcat Division"
U.S. 13th Armored Division
U.S. 14th Armored Division
U.S. 15th Armored Division (World War II "phantom" division)
U.S. 16th Armored Division
U.S. 18th Armored Division (activation cancelled)
U.S. 19th Armored Division (activation cancelled)
U.S. 20th Armored Division
U.S. 21st Armored Division (activation cancelled)
U.S. 22nd Armored Division (activation cancelled)
U.S. 27th Armored Division
U.S. 30th Armored Division
U.S. 39th Armored Division (World War II "phantom" division)
U.S. 40th Armored Division
U.S. 48th Armored Division
U.S. 49th Armored Division TX ARNG (1946-68, 1973-2004)
U.S. 50th Armored Division NJ ARNG (up to early 1990s)

[edit] Cavalry divisions

1st Cavalry Division (United States) "First Team" at Fort Hood, Texas
1st Cavalry Division (United States) (Airmobile)
U.S. 2d Cavalry Division
U.S. 3d Cavalry Division
U.S. 21st Cavalry Division
U.S. 22d Cavalry Division
U.S. 23d Cavalry Division
U.S. 24th Cavalry Division
U.S. 56th Cavalry Division
U.S. 61st Cavalry Division
U.S. 62d Cavalry Division
U.S. 63d Cavalry Division
U.S. 64th Cavalry Division
U.S. 65th Cavalry Division
U.S. 66th Cavalry Division

[edit] Infantry divisions

U.S. 1st Infantry Division (Mechanized) "The Big Red One" at Würzburg, Germany
U.S. 2nd Infantry Division "Indian Head Division" at Camp Red Cloud, South Korea
U.S. 3rd Infantry Division (Mechanized) "Rock of the Marne" at Fort Stewart, Georgia
U.S. 4th Infantry Division (Mechanized) "Ivy Division", "Iron Horse" at Fort Hood, Texas
U.S. 5th Infantry Division (Mechanized) "Red Diamond"
U.S. 6th Infantry Division "Red Star"
U.S. 7th Infantry Division (Army National Guard) "Bayonet Division" at Fort Carson, Colorado
U.S. 8th Infantry Division (Mechanized) "Pathfinders", "Golden Arrow"
U.S. 9th Infantry Division "Octfoil", "Old Reliables"
U.S. 10th Infantry Division (World War I)
U.S. 11th Infantry Division (Mexican-American War)
U.S. 11th Infantry Division (World War I)
U.S. 12th Infantry Division (World War I)
U.S. 12th Infantry Division "Philippine division"
U.S. 13th Infantry Division"Lucky 13 Division" {World War I}
U.S. 14th Infantry Division (World War I) (World War II "phantom" division)
U.S. 15th Infantry Division
U.S. 16th Infantry Division
U.S. 18th Infantry Division
U.S. 19th Infantry Division"Moon & Star" {Nickname}
U.S. 20th Infantry Division
U.S. 22nd Infantry Division (World War II "phantom" division)
U.S. 23rd Infantry Division "Americal Division"
U.S. 24th Infantry Division "Hawaiian Division"
U.S. 24th Infantry Division (Mechanized) "Victory Division" at Fort Riley, Kansas Active division, ANG maneuver brigades
U.S. 25th Infantry Division "Tropic Lightning" at Schofield Barracks, Hawaii
U.S. 26th Infantry Division "Yankee Division" - World War II Massachusetts National Guard
U.S. 27th Infantry Division "New York Division" - World War II New York National Guard
U.S. 28th Infantry Division (Mechanized)]] "Keystone Division" - World War II Pennsylvania National Guard
U.S. 29th Infantry Division (Light) Maryland & Virginia National Guard "The Blue and Gray" at Fort Belvoir, Virginia
U.S. 30th Infantry Division "Old Hickory" - World War II Georgia Tennessee, North & South Carolina National Guard
U.S. 31st Infantry Division "Dixie Division" - World War I Georgia, Alabama, & Florida National Guard
U.S. 32nd Infantry Division "Red Arrow" - World War II Michigan & Wisconsin National Guard
U.S. 33rd Infantry Division "Prairie Division" - World War II Illinois National Guard
U.S. 34th Infantry Division (Army National Guard) "Red Bull Division" at Rosemount, Minnesota - World War II Iowa, Minnesota, North & South Dakota National Guard
U.S. 35th Infantry Division (Mechanized) (Army National Guard) "Santa Fe Division" at Fort Leavenworth, Kansas
U.S. 36th Infantry Division "Texas Division" at Camp Mabry, Austin, Texas - World War II Texas National Guard (reformed 2004)
U.S. 37th Infantry Division "Buckeye Division" - World War II Ohio National Guard
U.S. 38th Infantry Division (Army National Guard) "Cyclone Division" at Indianapolis, Indiana
U.S. 39th Infantry Division - World War II Louisiana, Mississippi, & Arkansas National Guard
U.S. 40th Infantry Division (Mechanized) (ARNG) "Sunburst Division" at Los Alamitos, California
U.S. 41st Infantry Division "Sunset Division" - World War II Washington, Oregon, Montana, & Wyoming National Guard
U.S. 42nd Infantry Division (Army National Guard) "Rainbow Division" at Troy, New York - World War I all-states National Guard
U.S. 43rd Infantry Division - World War II Connecticut, Maine, Rhode Island, & Vermont National Guard
U.S. 44th Infantry Division - World War II New Jersey, New York, & Delaware National Guard
U.S. 45th Infantry Division - World War II Arizona, Colorado, New Mexico, & Oklahoma National Guard
U.S. 46th Infantry Division (World War II "phantom" division)
U.S. 47th Infantry Division - 1946-91 Cold War Minnesota National Guard, redesignated 34th Infantry Division in 1991
U.S. 48th Infantry Division (World War II "phantom" division)
U.S. 49th Infantry Division
U.S. 50th Infantry Division (World War II "phantom" division)
U.S. 51st Infantry Division
U.S. 52nd Infantry Division
U.S. 55th Infantry Division (World War II "phantom" division)
U.S. 59th Infantry Division (World War II "phantom" division)
U.S. 61st Infantry Division (activation cancelled)
U.S. 62rd Infantry Division (activation cancelled)
U.S. 63rd Infantry Division
U.S. 65th Infantry Division
U.S. 66th Infantry Division
U.S. 67th Infantry Division (activation cancelled)
U.S. 68th Infantry Division (activation cancelled)
U.S. 69th Infantry Division
U.S. 70th Infantry Division
U.S. 71st Infantry Division
U.S. 72nd Infantry Division (activation cancelled)
U.S. 73rd Infantry Division (activation cancelled)
U.S. 74th Infantry Division (activation cancelled)
U.S. 75th Infantry Division
U.S. 75th Division (Training Support) (USAR) at Houston, Texas
76th Infantry Division "Liberty Bell Division" - World War II Connecticut & Rhode Island Army Reserves
77th Infantry Division "Metropolitan Division" - World War II New York City Army Reserves
U.S. 78th Infantry Division "Lightning Division" - World War II New Jersey & Delaware Army Reserves
U.S. 78th Division (Training Support) (USAR) "Lightning Division" at Fort Dix, New Jersey
U.S. 79th Infantry Division "Liberty Division" - World War II Pennsylvania Army Reserves
U.S. 80th Infantry Division "Blue Ridge Division" - World War II Maryland, Virginia, & District of Columbia Army Reserves
U.S. 81st Infantry Division "Wildcat Division" - World War II North Carolina & Tennessee Army Reserves
U.S. 82nd Infantry Division "All American Division" - World War I all-states Army Reserves, Interwar South Carolina & Georgia Army Reserves
U.S. 83rd Infantry Division "Thunderbolt Division" - World War II Ohio Army Reserves
U.S. 84th Infantry Division "Railsplitters" - World War II Indiana Army Reserves
U.S. 85th Infantry Division "Custer Division" - World War II Michigan & Wisconsin Army Reserves
U.S. 86th Infantry Division "Blackhawk Division" - World War II Illinois Army Reserves
U.S. 87th Infantry Division"Golden Acron"-World War II Louisiana, Mississippi, Alabama Army Reserves.
U.S. 88th Infantry Division "Blue Devils" - World War II Minnesota, Iowa, & North Dakota Army Reserves
U.S. 89th Infantry Division "Rolling W Division" - World War II South Dakota, Nebraska, & Kansas Army Reserves
U.S. 90th Infantry Division "Tough Ombres" - World War II Texas Army Reserves
U.S. 91st Infantry Division "Wild West"- World War II California Army Reserves.
U.S. 92nd Infantry Division "Buffalo Division" - World War I black volunteers
U.S. 93rd Infantry Division aka "Blue Helmets"{Nickname}- World War I black volunteers
U.S. 94th Infantry Division "Neuf-Cats" - World War I Puerto Rican volunteers, - World War II Massachusetts Army Reserves
U.S. 95th Infantry Division aka "Ironman Division"; World War II Oklahoma Army Reserves.
U.S. 96th Infantry Division "Deadeye Division" - World War II Oregon & Washington Army Reserves
U.S. 97th Infantry Division "Trident Division" - World War II Maine, New Hampshire, & Vermont Army Reserves
U.S. 98th Infantry Division-"Iroquois"-World War II New York State Army Reserves.
U.S. 99th Infantry Division "Checkerboard Division" - World War II Pennsylvania Army Reserves
U.S. 100th Infantry Division-"Century"-World War II Kentucky & West Virginia Army Reserves
U.S. 101st Infantry Division - Interwar Wisconsin Army Reserves
U.S. 102nd Infantry Division "Ozark Division" - World War II Missouri & Arkansas Army Reserves
U.S. 103rd Infantry Division "Cactus Division" - World War II Arizona, Colorado, & New Mexico Army Reserves
U.S. 104th Infantry Division "Timberwolf"-World War II Idaho, Nevada, Utah, & Wyoming Army Reserves.
U.S. 105th Infantry Division (activation cancelled)
U.S. 106th Infantry Division "Golden Lion Division"
U.S. 107th Infantry Division (activation cancelled)
U.S. 108th Infantry Division (USAR) "Golden Griffins" at Charlotte, North Carolina
U.S. 109th Infantry Division (World War II "phantom" division)
U.S. 112th Infantry Division (World War II "phantom" division)
U.S. 119th Infantry Division (World War II "phantom" division)
U.S. 125th Infantry Division (World War II "phantom" division)
U.S. 130th Infantry Division (World War II "phantom" division)
U.S. 141st Infantry Division (World War II "phantom" division)
U.S. 157th Infantry Division (World War II "phantom" division)