Corcoran's Brigade, King's Division, XXII Corps, Department of Washington, to November 1863.

1st Brigade, Corcoran's Division, XXII Corps, to December 1863.

4th Brigade, 2nd Division, II Corps, Army of the Potomac, to June 1864.

The 170th New York Infantry mustered out of service July 19, 1865, at Raleigh, North Carolina.

Left New York for Washington, D.C., October 16, 1862; then moved to Newport News, Va. Duty at Newport News, Va., until December 1862, and at Suffolk, Va., until May 1863.

Providence Church Road, Nansemond River, May 3.

Jerusalem Plank Road, Weldon Railroad, June 22–23, 1864.

Strawberry Plains, Deep Bottom, August 14–18.

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

Dabney's Mills, Hatcher's Run, February 5–7, 1865.

Boydton and White Oak Roads March 30–31.