4th Delaware Infantry Regiment

The regiment was attached to Defenses of Baltimore, VIII Corps, Middle Department, to December 1862.

Busteed's Independent Brigade, IV Corps, Department of Virginia, to May 1863.

King's Independent Brigade, IV Corps, to June 1863.

Unassigned, King's Division, XXII Corps, Department of Washington, to January 1864.

2nd Brigade, 4th Division, V Corps, Army of the Potomac, to August 1864.

Ordered to Yorktown, Virginia, arriving there December 28, and duty there until July 1863.

Reconnaissance from Gloucester Point to Hickory Fork April 12.

Expedition from White House to South Anna River July 1–7.

Moved to Washington, D.C., July 8–14, and duty in the defenses of that city and at Centreville and Fairfax Station until October 1863.

Boydton Plank Road, Hatcher's Run, October 27–28.