Constituted 2 November 1967 in the Arkansas Army National Guard as the 151st Cavalry, a parent regiment under the Combat Arms Regimental System
Organized 1 December 1967 to consist of Troop E, an element of the 39th Infantry Brigade
Withdrawn 1 June 1989 from the Combat Arms Regimental System and reorganized under the United States Army Regimental System
None
None