122nd Main Support Bn
122nd Maintenance Support Battalion
"Ace Double Deuce"
The lineage the 122d Maintenance
Constituted 1 January 1942 in the Regular Army as Maintenance Battalion, 3d Armored Division and activated at Camp Polk, Louisiana
Inactivated 10 November 1945 in Germany
Redesignated 7 July 1947 as the 122d Armored Ordnance Maintenance Battalion
Activated 30 July 1948 at Fort Knox, Kentucky
Redesignated 15 March 1955 as the 122d Armored Ordnance Battalion
Redesignated 1 October 1957 as the 122d Ordnance Battalion
Redesignated 1 July 1963 as the 122d Maintenance Battalion
Inactivated 15 December 1984 in Germany
15 December 1984 – 1 May 1987 During this period the 122d did not exist. The logistics battalions (45th, 54th, 503d, and the 122d) were realigned into "Support Battalions" The majority of the 122d's personnel and equipment were known as the "4th Support Battalion (Main)".
Redesignated 122d Support Battalion (Main) and activated 1 May 1987 in Germany using personnel and equipment from the 4th Support Battalion (Main)
Inactivated 15 December 1991 at Hanau, Germany