U.S. Army - Army of the Potomac

Sixth Army Corps

Major General William F. Smith (until 2/4)

Major General John Sedgwick

First Division

Brigadier General W. T. H. Brooks

First Brigade

Colonel H. W. Brown (until 2/8)

Bde. Gen. Alfred T. A. Torbert

Second Brigade

Brigadier General Joseph J. Bartlett

Third Brigade

Bde. Gen. D. A. Russell (until 2/23)

Colonel George W. Town

Second Division

Brigadier General Albion P. Howe

First Brigade

Colonel R. F. Taylor

Second Brigade

Colonel H. Whiting

Colonel Lewis A. Grant

Third Brigade

Bde. Gen. Thomas H. Neill

Third Division

Brigadier General Charles Devens Jr.

Brigadier General John Newton

First Brigade

Bde. Gen John Cochrane

Second Brigade

Colonel W. H. Brown

Bde. Gen. Charles Devens Jr.

Third Brigade

Colonel F. H. Collier

Bde. Gen. Frank Wheaton

Light Division

Brigadier General C. A. Pratt

6th Maine Infantry Regiment

31st New York Infantry Regiment

Colonel Frank Jones

43rd New York Infantry Regiment

Colonel Benjamn F. Baker

61srt Pennsylvania Infantry Regiment

Colonel George C. Spear

5th Wisconsin Infantry Regiment

Colonel Thomas S. Allen

3rd New York Independent Battery