VIII Corps
The regiment was attached to Defenses of Baltimore, Md., VIII Corps, Middle Department, to January 1863. 3rd Separate Brigade, VIII Corps, to June 1863. 3rd Provisional Brigade, French's Division, VIII Corps, to July 1863. 1st Brigade, 3rd Division, III Corps, Army of the Potomac, to March 1864. 1st Brigade, 3rd Division, VI Corps, Army of the Potomac and Army of the Shenandoah, to June 1865.