| Unit Name: | I Corps Artillery |
| Dates: | 1918-1919 1942-1946 1950-1980 1984-2008 |
| Country: |  United States |
| Command Structure: | I Corps |
| Battles: | World War II Korean War |
I Corps Artillery was a United States Army division-level command active during World War I, World War II, the Korean War and the Cold War. Today the 65th Field Artillery Brigade continues the lineage of I Corps Artillery.[1]
Constituted on 31 July 1918 in the National Army as Headquarters, 16th Field Artillery Brigade, an element of the 16th Division. Organized on 12 September 1918 at Camp Kearny in California and demobilized on 15 February 1919 in the same location, without having seen combat.[1]
Reconstituted on 14 January 1929 in the Regular Army as Headquarters and Headquarters Battery, 16th Field Artillery Brigade. Activated for service in World War II on 15 July 1942 at Camp Gruber in Oklahoma. Reorganized and redesignated on 17 August 1943 as Headquarters and Headquarters Battery, XV Corps Artillery. The unit landed with the rest of the XV Corps Headquarters in Normandy and participated in the breakout from the Normandy beachheads in Operation Cobra.[1]
XV Corps Artillery received the following campaign participation credits for World War II:
XV Corps Artillery was inactivated on 31 March 1946 in Germany.[1]
The unit was redesignated on 12 July 1950 as Headquarters and Headquarters Battery, I Corps Artillery and activated one month later on 12 August 1950 at Fort Bragg in North Carolina. I Corps was sent to South Korea to take charge of the defense of the Pusan perimeter.[1] First elements of I Corps Headquarters arrived in Pusan on 27 August and the corps headquarters became operational on 12 September, under command of Lieutenant General Frank W. Milburn.[2]
I Corps Artillery participated in the entire Korean War and received the following campaign participation credits:
After the war I Corps Artillery remained in South Korea to guard the Korean Demilitarized Zone as part of Eighth United States Army. I Corps Artillery was inactivated on 13 March 1980 in Korea.[1]
The unit was redesignated on 1 June 1984 as Headquarters, I Corps Artillery, allotted to the Utah Army National Guard, and organized at Salt Lake City in Utah. The Headquarters and Headquarters Battery, XI Corps Artillery, which had served with XI Corps in the Pacific Theater during World War II, was reorganized and redesignated as Headquarters Battery, I Corps Artillery on the same date and assigned to I Corps Artillery.[1]
At the end of the Cold War I Corps Artillery, assigned to I Corps at Fort Lewis in Washington State, was the largest artillery formation in the US Army commanding 24 field artillery battalions in Utah, Wisconsin, Wyoming, Missouri, Minnesota, Colorado, Arizona, South Dakota, and Oklahoma. Units assigned to I Corps Artillery included the following active, Army Reserve, and Army National Guard formations:[3]
The units location was changed on 1 February 2001 to Riverton in Utah. On 14 September 2008 I Corps Artillery was redesignated as 65th Fires Brigade.