U.S. Army - Army of the Potomac

Second Army Corps

Major General Andrew A. Humphreys (until 4/22)

Brevet Major General Francis C. Barlow

First Division

Brigadier General Nelson A. Miles

1st Brigade

Brevet Bde. Gen. G. N. Macy (to 4/17)

Colonel J. Fraser

2nd Brigade

Colonel R. Nugent

3rd Brigade

Brevet Bde. Gen. H. J. Madill (until 4/2)

Brevet Bde. Gen. C. D. McDougall

4th Brigade

Lt. Colonel J. Ramsey (until 4/20)

Colonel W. M. Mintzer

Second Division

Bde. General William Hays (until 4/6)

Bvt. Maj. Gen. Francis Barlow

1st Brigade

Colonel W. L. Olmstead

2nd Brigade

Colonel J. P. McIvor

3rd Brigade

Bde. Thomas Smythe (mw 4/7)

Colonel Daniel Woodall

Third Division

Brigadier General Gershom Mott (to 4/6)

Brigadier General Regis DeTrobriand

1st Brigade

Bde. Gen. R. DeTrobriand (until 4/6)

Colonel R. B. Shepherd

2nd Brigade

Bde. Gen. Byron R. Pierce

3rd Brigade

Colonel Francis Price

Artillery Brigade

Brevet Lt. Colonel John G. Hazard

10th Massachusetts Battery

Captain J. Webb Adams

1st New Hampshire Battery

Captain George K. Dakin

1st New Jersey Artillery, Battery B

Captain A. Judson Clark

4th New York Heavt Artillery, Cos. C&L

Captain Richard Kennedy

11th New York Independent Battery

Lieutenant James A. Manning

1st Rhode Island Artillery, Battery B

Lieutenant William B. Westcott

4th United States Artillery, Battery K

Brevet Captain John W. Roder