Army of the Potomac
The regiment was attached to Porter's Division, Army of the Potomac, to March 1862. Unattached, IV Corps, Army of the Potomac, to April 1862. Blake's Brigade, Cavalry Reserve, Army of the Potomac, to July 1862. 2nd Brigade, Stoneman's Cavalry Division, Army of the Potomac, to September 1862. 2nd Brigade, Pleasanton's Cavalry Division, Army of the Potomac, to February 1863. 2nd Brigade, 1st Division, Cavalry Corps, Army of the Potomac, to June 1863. 2nd Brigade, 2nd Division, Cavalry Corps, Army of the Potomac, to July 1865.