XX Corps (United States)

IV Armored Corps XX Corps
Shoulder sleeve insignia of XX Corps
Active	1942–46 1957–70
Country	United States
Branch	United States Army
Size	Corps
Part of	Third United States Army (World War II)
Engagements	World War II
Commanders
Notable commanders	Horace L. McBride Walton H. Walker

The XX Corps of the United States Army fought from northern France to Austria in World War II. Constituted on 10 October 1943 by re-designating the IV Armored Corps of the Army Ground Forces, a training organization which had been activated at Camp Young, California on 5 September 1942, XX Corps became operational in France as part of Lieutenant General George S. Patton's U.S. Third Army on 1 August 1944.

• 
  IV Armored Corps
  5 September 1942 - 10 October 1943
• 
  XX Corps
  After 10 October 1943