U.S. 7th Army

Commanded by Lieutenant General George Smith Patton.
Waiting to Load Tanks in La Pècherie French base in French Tunisia.
U.S. and British troops landing near Gela, Sicily, July 10, 1943.

• 1st Ranger Battalion
• 3rd Ranger Battalion
• 4th Ranger Battalion
• 70th Tank Battalion
• 753rd Tank Battalion
• 601st Tank Destroyer Battalion
• 813th Tank Destroyer Battalion-2 platoons
• 39th Engineer Regiment
• 540th Engineer Shore Regiment
• 5th Armored Artillery Group
• 58th Armored Field Artillery Battalion
• 62nd Armored Field Artillery Battalion
• 65th Armored Field Artillery Battalion
• 17th Artillery Regiment
• 36th Artillery Regiment
• 77th Artillery Regiment
• 178th Artillery Regiment
• Free French 4th Morrocan Tabor

U.S. II Corps

Commanded by Lieutenant General Omar Nelson Bradley.

• U.S. 1st Infantry Division
  Initially commanded by Major General Terry de la Mesa Allen. He was succeeded by Major General Clarence R. Huebner on August 7.
• 16th Infantry Regiment
• 18th Infantry Regiment
• 26th Infantry Regiment
• 5th Field Artillery Battalion
• 7th Field Artillery Battalion
• 32d Field Artillery Battalion
• 33d Field Artillery Battalion
• 1st Engineer Combat Battalion
• 1st Reconnaissance Troop

• U.S. 9th Infantry Division
  Commanded by Major General Manton Sprague Eddy.
• 39th Infantry Regiment
• 47th Infantry Regiment
• 60th Infantry Regiment
• 26th Field Artillery Battalion
• 34th Field Artillery Battalion
• 60th Field Artillery Battalion
• 84th Field Artillery Battalion
• 15th Engineer Combat Battalion
• 42nd Anti-Aircraft Battalion
• 9th Reconnaissance Troop

• U.S. 45th Infantry Division
  Commanded by Major General Troy Houston Middleton.
• 157th Infantry Regiment
• 179th Infantry Regiment
• 180th Infantry Regiment
• 158th Field Artillery Battalion
• 160th Field Artillery Battalion
• 171st Field Artillery Battalion
• 189th Field Artillery Battalion
• 645th Tank Destroyer Battalion
• 120th Engineer Combat Battalion
• 45th Reconnaissance Troop

 U.S. Provisional Corps

(HQ activated 15 July) Commanded by Major General Geoffrey Keyes.

• U.S. 2d Armored Division
  Commanded by Major-General Hugh J. Gaffey. Divisional units were placed under the Combat Commands as needed.
• Combat Command A
• Combat Command B
• 41st Armored Infantry Regiment
• 66th Armored Regiment
• 67th Armored Regiment
• 14th Armored Field Artillery Battalion
• 78th Armored Field Artillery Battalion
• 92d Armored Field Artillery Battalion
• 17th Armored Engineer Battalion
• 82d Armored Reconnaissance Battalion

• U.S. 3d Infantry Division
  Commanded by Major General Lucian King Truscott, Jr.
• 7th Infantry Regiment
• 15th Infantry Regiment
• 30th Infantry Regiment
• 9th Field Artillery Battalion
• 10th Field Artillery Battalion
• 39th Field Artillery Battalion
• 41st Field Artillery Battalion
• 10th Engineer Combat Battalion

• U.S. 82nd Airborne Division
  Commanded by Major General Matthew Bunker Ridgway.

The 509th Parachute Battalion was held in reserve and never saw action.

• 504th Parachute Infantry Regiment
• 505th Parachute Infantry Regiment
• 325th Glider Infantry Regiment
• 376th Parachute Field Artillery Battalion
• 456th Parachute Field Artillery Battalion
• 319th Glider Field Artillery Battalion
• 320th Glider Field Artillery Battalion
• 307th Airborne Engineer Battalion
• 80th Airborne Anti-Aircraft Battalion