U.S. Army

Department of Virginia - 7th Army Corps

Major General John Dix

Fortress Monroe

3rd New York Infantry Regiment

Colonel Samuel M. Alford

Norfolk

Bde. Gen. Egbert L. Viele

7th New York Independent Battery

148th New York Infantry Regiment

173rd Pennsylvania Infantry Regiment

177th Pennsylvania Infantry Regiment

First Division

Bde. Gen. Michael Corcoran

First Brigade

Bde. Gen. H. D. Terry

Second Brigade

Colonel R.S. Foster

Third Brigade

Colonel M. Murphey

Second Division

Bde. Gen. George W. Getty

First Brigade

Colonel Rush C. Hawkins (to 5/8)

Colonel W.R. Pease

Second Brigade

Colonel E. Harland

Third Brigade

Colonel A.H. Dutton

Gurney's Division

Colonel William Gurney

Porter's Brigade

Colonel Burr Porter

to 4th Corps, 2nd Div., 2nd Bde.

Hughston's Brigade

Colonel R.S. Hughston

to 4th Corps, 2nd Div., 1st Bde.

Reserve Brigade

Colonel D.W. Wardrop (to 5/13)

Bde. Gen. I.J. Wistar

99th New York Infantry Regiment

118th New York Infantry Regiment

9th Vermont Infantry Regiment

Colonel Dudley K. Andross (res. 5/22)

Colonel Edward H. Ripley

19th Wisconsin Infantry Regiment

1st Delaware Battery

Artillery

7th Massachusetts Independent Battery

16th New York Independent Battery

19th New York Independent Battery

3rd Pennsylvania Heavy Artillery

4th United States Artillery, Battery D

4th United States Artillery, Battery L

2nd Wisconsin Battery

to 1st Div. Artillery

4th Wisconsin Battery

to 1st Div. Artillery

Cavalry

1st New York Mounted Rifles

11th Pennsylvania Cavalry Regiment

Yorktown

Major General Erasmus Keyes

Busteed's Independent Brigade

Brigadier General R. Busteed

West's Advance Brigade

Colonel R.M. West