o October, 1862.
Averill's Brigade, Cavalry Division, Army of the Potomac, to January, 1863.
1st Brigade, 2nd Division, Cavalry Corps, Army of the Potomac, to April, 1865.
（4 new Companies, I, K, L, M, organized December 5, 1863, to January 14, 1864.)
Provost Marshal's Command, Army of the Potomac, to May, 1865.
Headquarters, Army of the Potomac, to June, 1865.
Duty at Hilton Head, S. C., till May, 1862.
Moved to Edisto Island, S. C., May (Cos.
E to M ).
Battle of Gettysburg July 1-3.
Bristoe Campaign October 9-22.
Rappahannock Station November 7.
Mine Run, Campaign November 26-December 2.
At Bealeton and guard Orange & Alexandria Railroad till April 30, 1864.
Bealeton January 14, 1864 (1 Company).
Rapidan Campaign May-June.
Battles of the Wilderness May 5-7.
Laurel Hill May 8.
Spottsylvania May 8-12.
Spottsylvania C. H. May 12-21.
Assault on the Salient at Spottsylvania C. H. May 12.
North Anna River