The brigade headquarters was relocated to Dallas, Texas, on 30 November 1934, and to San Antonio on 1 March 1935.
[2] The brigade, or elements thereof, was called up to perform the following state duties: Headquarters and Headquarters Troop to perform martial law in connection with lawless conditions in Mexia, Texas, 12 January–1 March 1922; Headquarters Troop to perform escort duty in Houston, 11–12 May 1925; Headquarters and Headquarters Troop and six subordinate troops to perform martial law in connection with lawless conditions in Borger, Texas, 28 September–18 October 1929; entire brigade to perform martial law in four counties in east Texas in connection with preventing “hot oil” production in the East Texas Oil Field near Kilgore, Texas, 17 August 1931, with some elements remainimg on active duty until 17 December 1932.
Returned to Fort Bliss on 26 May 1941 for preliminary maneuver training with the 1st Cavalry Division in June–July 1941.
On 12 May 1944, the Army Ground Forces eliminated the 56th Cavalry Brigade when no use for it developed overseas.
It did not see combat, but the former brigade's subordinate cavalry regiments went on to fight in the Pacific and China-Burma-India theaters.