Army of Virginia
The regiment was attached to Slough's Brigade, Defenses of Washington, D.C., May 1862. Slough's 2nd Brigade, Sigel's Division, Department of the Shenandoah, to June 1862. 2nd Brigade, 2nd Division, II Corps, Army of Virginia, to August 1862. 3rd Brigade, 2nd Division, II Corps, Army of Virginia, to September 1862. 3rd Brigade, 2nd Division, XII Corps, Army of the Potomac, to October 1862. Defenses of Baltimore, Maryland, VIII Corps, Middle Department, to January 1863. 3rd Separate Brigade, VIII Corps, to October 1864. 1st Separate Brigade, VIII Corps, to May 1864. 2nd Brigade, 4th Division, V Corps, Army of the Potomac, to August 1864. 3rd Brigade, 2nd Division, V Corps, to June 1865.