U.S. Army - Army of the Potomac

Sixth Army Corps

Major General John Sedgwick (killed May 9)

Major General Horatio Wright (after 5/9)

First Division

Major General Horatio G. Wright (until 5/9)

Brigadier General D. A. Russell (after 5/9)

First Brigade

Colonel H. W. Brown (until 5/9)

Colonel W. H. Penrose (after 5/9)

Second Brigade

Colonel Emory Upton

Third Brigade

Bde. Gen. D. A. Russell (until 5/9)

Bde. Gen. H. L. Eustis (after 5/9)

Fourth Brigade

Bde. Gen. Alexander Shaler (until 5/6)

Colonel Nelson Cross (after 5/6)

Second Division

Brigadier General G. W. Getty (until 5/6)

Brigadier General Frank Wheaton (5/6 - 5/7)

Brigadier General Thomas Neill (after 5/7)

First Brigade

Bde. Gen. Frank Wheaton (except 5/6 - 5/7)

Colonel J. F. Ballier (5/6 - 5/7)

Second Brigade

Colonel Lewis A. Grant

Third Brigade

Bde. Gen. Thomas H. Neill (until 5/6)

Colonel D. D. Bidwell (after 5/6)

Fourth Brigade

Bde. Gen. H. L. Eustis (until 5/9)

Colonel O. Edwards (after 5/9)

Third Division

Bde. Gen. J. B. Ricketts

First Brigade

Brigadier General W. H. Morris (until 5/13)

Colonel John W. Schall (5/13 - 5/14)

Colonel William S. Truex (after 6/14)

Second Brigade

Colonel B. F. Smith (except 5/5 - 5/6)

Bde. Gen. Truman Seymour (5/5 - 5/6)

Artillery

4th Maine Independent Battery

5th Maine Independent Battery

from Army Artillery Reserve, 2nd Bde.

1st Massachusets Independent Battery

1st New Jersey Artillery, Battery A

from Army Artillery Reserve, 2nd Bde.

1st New York Independent Battery

3rd New York Independent Battery

4th New York Heavy Artillery, 3rd Bn.

to 2nd Corps Artillery Bde.

9h New York Heavy Artillery, 2nd Bn.

from 22nd Corps, Washington Defences

1st Ohio Artillery, Battery H

from Army Artillery Reserve, 3rd Bde.

1st Rhode Island Artillery, Battery C

1st Rhode Island Artillery, Battery E

1st Rhode Island Artillery, Battery G

2nd United States Artillery, Battery G

5nd United States Artillery, Battery E

from Army Artillery Reserve, 3rd Bde.

5nd United States Artillery, Battery M