[citation needed] The regiment was attached to 1st Brigade, 3rd Division, IX Corps, Army of the Potomac, to April 1863.

3rd Brigade, Getty's Division, United States Forces, Norfolk and Portsmouth, Department of Virginia and North Carolina, to April 1864.

2nd Brigade, 1st Division, XVIII Corps, Department of Virginia and North Carolina, to December 1864.

[citation needed] The 10th New Hampshire Infantry mustered out of service June 21, 1865.

[citation needed] Burnside's Second Campaign ("Mud March") January 20–24, 1863.

Moved to Portsmouth May 13, thence to Yorktown, Va. Dix's Peninsula Campaign June 24-July 7.

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

Butler's operations on south side of the James River against Petersburg and Richmond May 4–28.