Army of the Potomac
The regiment was attached to Defenses of Washington to January 1863. Averill's Cavalry Brigade, Army of the Potomac, to February 1863. 2nd Brigade, 2nd Division, Cavalry Corps, Army of the Potomac, to June 1863. 3rd Brigade, 2nd Division, Cavalry Corps, Army of the Potomac, to August 1863. 2nd Brigade, 2nd Division, Cavalry Corps, Army of the Potomac, to May 1865. Department of Virginia to August 1865.