Army of the Potomac
The regiment was attached to McCall's Division, Army of the Potomac, to March 1862. Cavalry, McDowell's I Corps, Army of the Potomac, to April 1862. Bayard's Cavalry Brigade, Department of the Rappahannock, to June 1862. Bayard's Cavalry Brigade, III Corps, Army of Virginia, to September 1862. Bayard's Brigade, Cavalry Division, Army of the Potomac, to January 1863. 2nd Brigade, 3rd Division, Cavalry Corps, Army of the Potomac, to June 1863. 1st Brigade, 2nd Division, Cavalry Corps, Army of the Potomac, to June 1865.