3D Armored Cavalry Regiment (United States) - Lineage

Lineage

The United States Army Center of Military History summarizes the regiment's lineage as follows:

• Constituted 19 May 1846 in the Regular Army as the Regiment of Mounted Riflemen.
• Organized 12 October 1846 at Jefferson Barracks, Missouri. Redesignated 3 August 1861 as 3rd United States Cavalry.
• Inactivated 15 July 1942 at Fort Benning, Georgia; personnel and equipment transferred to 3rd Armored Regiment.
• Redesignated 18 January 1943 as 3rd Cavalry, Mechanized.
• Activated 15 March 1943 at Camp Gordon, Georgia.
• Regiment broken up 3 November 1943 and its elements reorganized and redesignated as Headquarters and Headquarters Troop, 3rd Cavalry Group, Mechanized and the 3rd and 43rd Reconnaissance Squadrons, Mechanized.
• Headquarters and Headquarters Troop, 3d Cavalry Group, Mechanized, inactivated 22 December 1945 at Camp Kilmer, New Jersey.
• Activated 26 February 1946 at Fort George G. Meade, Maryland.
• Redesignated 5 November 1948 as Headquarters and Headquarters Company, 3d Armored Cavalry; organization of the remainder of 3d Armored Cavalry completed 3 November 1948 by redefinition of elements of 3d and 43rd Cavalry Reconnaissance Squadrons, Mechanized and by reconstruction, redefinition, and activation of certain other elements of the 3d Cavalry which had been inactivated or demobilized 1921–1928.
• 3rd, 777th, and 21st Tank Battalions consolidated with 3d Armored Cavalry 8 January 1951. (Battalions and Companies redesignated Squadrons and Troops, 1 June 1960).

More on the regiment's lineage as follows:

• Relocated in 1972 from Ft. Lewis, Washington to Ft. Bliss, Texas
• Relocated to Ft. Carson, Colorado
• Relocated to Ft. Hood, Texas