| Unit Name: | III Armored Corps XIX Corps |
| Dates: | 1942–1945 1950–1968 |
| Country: |  United States |
| Type: | Corps |
| Battles: | World War II |
| Anniversaries: | 14 June 1944 |
| Notable Commanders: | Willis D. Crittenberger Charles H. Corlett Raymond S. McLain |
XIX Corps (United States) should not be confused with XIX Corps (Union Army).
XIX Corps was a corps-sized formation of the United States Army, initially allocated to the Organized Reserves in California and seven other western and northwestern states. Meanwhile, the Headquarters, III Armored Corps was formed at Camp Polk, Louisiana on July 7, 1942 under the command of Major General Willis D. Crittenberger during World War II. It was activated on August 20 the same year at Camp Polk. The XIX Corps was officially disbanded on October 1, 1943 from the Organized Reserves. On October 10, 1943, the Headquarters, III Armored Corps was reorganized and re-designated as Headquarters and Headquarters Company, XIX Corps which formed the activated XIX Corps.[1] [2] It fought as part of the First and Ninth Armies, fighting on the Western Front of World War II. Disbanded on 5 September 1945 in France, it was reconstituted on 12 July 1950 in the Army of the United States. It was allotted to the Regular Army in October 1959 and activated on 1 November that year at Fort Chaffee, Arkansas. It was inactivated on 1 April 1968 at Fort Chaffee.
| Organization: XIX Corps on 1 March 1945 | ||||||
|---|---|---|---|---|---|---|
| Army Group | Army | Corps | Division | |||
| ROWSPAN=4 style="background:#ccc;" style="border-bottom:1px solid gray;" | 21st Montgomery | ROWSPAN=4 | Ninth Army Simpson | ROWSPAN=4 | XIX Corps McLain | 2nd Armored Division |
| 29th Infantry Division | ||||||
| 30th Infantry Division | ||||||
| 83rd Infantry Division | ||||||
John B. Wilson, Armies, Corps, Divisions, and Separate Brigades, Washington: GPO, 1999