U.S. Army - Army of the Potomac

Fifth Army Corps

Major General Charles Griffin

First Division

Brigadier General Joshua L. Chamberlain

First Brigade

Bvt. Bde. Gen. A. L. Pearson

Second Brigade

Colonel E. M. Gregory

Third Brigade

Colonel J. C. Edmonds

Second Division

Brigadier General Romeyn B. Ayres

First Brigade

Bde. Gen Joseph Hayes

Second Brigade

Colonel D. L. Stanton (until 5/16)

Colonel A. W. Dennison (after 5/16)

Third Brigade

Bvt. Bde. Gen. James Gwynn

Third Division

Brigadier General Samuel W. Crawford

First Brigade

Colonel Henry A. Morrow

Second Brigade

Bde. Gen. Henry Baxter

Third Brigade

Colonel Richard Coulter (until 5/13)

Colonel A. R. Root (after 5/13)

Artillery Brigade

3rd Massachusetts Battery

5th Massachusetts Battery

9th Massachusetts Battery

1st New York Artillery, Battery B

1st New York Artillery, Battery C

1st New York Artillery, Battery D

1st New York Artillery, Battery E

1st New York Artillery, Battery H

1st New York Artillery, Battery L

1st Pennsylvania Artillery, Battery B

4th United Artillery, Battery B

5th United Artillery, Battery D