The regiment was attached to Railroad District, Mountain Department, to April 1862.
Cavalry Brigade, I Corps, Army of Virginia, to September 1862.
Cavalry Brigade, XI Corps, Army of the Potomac, to January 1863.
Defenses of Baltimore, Maryland, VIII Corps, Middle Department, to July 1863.
Maryland Heights Division, Department of West Virginia, to October 1863.
Cavalry Brigade, 1st Division, Department of Western Virginia to January 1864.
Cavalry Reserve, VIII Corps, defenses of Baltimore to March 1864.
Cavalry Division, XXII Corps Department of Washington to August 1865.
Moved to Wheeling, Virginia, February 20–24, 1862, and duty there until March 27.
Movement down the valley to Madison Court House June 10-July 28.
Scouting in vicinity of Madison Court House until August.
Duty at Tennallytown, Fairfax Court House, Kalorama Heights, and Hall's Farm until December.
March to Fredericksburg, Virginia, and duty at Stafford Court House until January 1863.
Moved to Baltimore, Maryland, and duty there, organizing as a regiment until March 1864 (Companies A, B, C, D, and E).
Moved to Harpers Ferry, West Virginia, July 5, 1863, and duty in that vicinity until January 1864.
Operations in Hampshire and Hardy Counties, West Virginia, January 27-February 7, 1864.
Regimental organization completed at Baltimore January 1864, and duty there until March.
Wilson's raid on south side and Danville Railroad June 20–30.
Black and White Station and Nottaway Court House June 23.
Sheridan's Shenandoah Valley Campaign August to December.
Expedition from Winchester to Moorefield, West Virginia, February 4–6, 1865.