I Armored Corps (United States)

I Armored Corps
Shoulder Sleeve Insignia
Active	15 July 1940 to 10 July 1943
Country	United States
Branch	Army
Type	Armor
Size	Corps
Commanders
Notable commanders	George S. Patton

I Armored Corps was a World War II corps of the United States Army. The army made its debut in Operation Torch in November 1942 under the command of Major-General George S. Patton. In July 1943 it was redesignated as the U.S. Seventh Army.

History

• Established – 15 July 1940 – at Fort Knox, Kentucky under the command of Major-General Adna R. Chaffee, Jr..
• Change of command – November 1940 – Major-General Charles L. Scott assumes command
• Change of command – 15 January 1942 – Major-General George S. Patton assumes command
• Transfer of Headquarters – January 1942 – to Fort Benning, Georgia
• Training – 26 March 1942 – Patton designated to set up Desert Training Center
• Training – 10 April 1942 to 30 July 1942 – at Desert Training Center, California-Arizona Maneuver Area (DTC-CAMA)
• Planning – 30 July 1942 – 5 August 1942 – Patton and staff does initial planning for Operation Torch in Washington, DC
• Planning – 5 August 1942 – 21 August 1942 – Patton and staff does higher level planning for Operation Torch in London, England
• Tactical Deception – 11 September 1942 – I Armored Corps redesignated as Western Task Force to carry out Operation Torch.
• Combat Mission – Operation Torch – 8 November 1942 – landed near Casablanca
• Cessation of Tactical Deception – 9 January 1943 – Western Task Force redesignated as I Armored Corps
• Change of command – 4 March 1943 – Patton reassigned to command II Corps after MG Lloyd Fredendall is relieved following the loss at the Battle of Kasserine Pass
• Change of command – 15 April 1943 – Lieutenant-General Patton resumes command
• Redesignated – 10 July 1943 – I Armored Corps becomes U.S. Seventh Army

Subordinate units

• 3rd Infantry Division – 1 February 1943 – 15 July 1943
• 9th Infantry Division – May 1943
• 2nd Armored Division

Heraldic items

Shoulder Sleeve Insignis

• Description: On an equilateral triangle with a green border, one point up, divided into three sections, the upper section yellow, the dexter section blue, and the sinister section red, a gun bendwise in front of a tank track and wheels all black and overall a red lightning flash bend sinisterwise. In the apex the Roman numeral "I" in black.

• Symbolism:

1. Yellow, blue, and red are the colors of the branches from which armored units were formed.
2. The tank tread, gun, and lightning flash are symbolic of mobility, power, and speed.
3. The corps designation is in Roman numerals.

Distinctive Unit Insignia

• None approved.

Bibliography

• Gabel, Christopher R. (1991). The US Army GHQ Maneuvers of 1941. Washington, D.C.: United States Army Center of Military History/US Government Printing Office. 
• Wilson, John B., Compiler (1999). CMH Publication 60-7:Armies, corps, divisions, and separate brigades. Washington, D.C.: United States Army Center of Military History/US Government Printing Office. p. 43. ISBN 0-16-049994-1.