2-13 Armor Lineage
Constituted 2 February 1901 in the Regular Army as Troop B, 13th Cavalry
Organized 14 May 1901 at Fort Meade, South Dakota
Redesignated 23 June 1901 as Troop E, 13th Cavalry
(13th Cavalry assigned to 2d Cavalry Division 1 March 1933-18 August 1936)
Reorganized and redesignated 16 September 1936 as Troop E, 13th Cavalry, Mechanized
Redesignated 15 July 1940 as Company E, 13th Armored Regiment, an element of the 1st Armored Division
Reorganized and redesignated 20 July 1944 as Company B, 13th Tank Battalion, an element of the 1st Armored Division
Converted and redesignated 1 May 1946 as Troop B, 13th Constabulary Squadron, an element of the 10th Constabulary Regiment
Inactivated 20 September 1947 in Germany (13th Constabulary Squadron concurrently relieved from assignment to the 10th Constabulary Regiment)
Converted and redesignated 27 February 1951 as Company B, 13th Medium Tank Battalion, an element of the 1st Armored Division
Activated 7 March 1951 at Fort Hood, Texas.
Redesignated 20 May 1953 as Company B, 13th Tank Battalion.
Inactivated 15 February 1957 at Fort Polk, Louisiana, and relieved from assignement to 1st Armored Division; concurrently, redesignated as Headquarters and Headquarters Company, 2d Medium Tank Battalion (Patton), 13th Cavalry
Activated 1 October 1957 in Europe and assigned to 3d Armored Division (organic elements concurrently constituted and activated)
Reorganized and redesignated 3 February 1962 as 2d Battalion, 13th Armor; concurrently relieved from assignment to 3d Armored Division, Transferred (less personnel and equipment) from United States Army, Europe, to Fort Hood, Texas, and assigned to 1st Armored Division.
Relieved 5 May 1971 from assignment to the 1st Armored Division and assigned to the 1st Cavalry Divsion.
Inactivated 23 April 1974 at Fort Hood, Texas, and relieved from assignment to the 1st Cavalry Division
Headquarters transferred to the United States Army Training and Doctrine Command and activated at Fort Knox, Kentucky
Inactivated at Fort Knox, Kentucky
Aug 09 2000 11:27:49:000AM