U.S. Army - Army of the Potomac - Sixth Army Corps

First Division

Brigadier General Henry W. Slocum

First Brigade

Colonel Alfred T. A. Torbert

1st New Jersey Infantry Regiment

Lt. Colonel Mark W. Collet

2nd New Jersey Infantry Regiment

Colonel Samuel L. Buck

Colonel Henry W. Brown

4th New Jersey Infantry Regiment

Colonel William B. Hatch

Second Brigade

Colonel Joseph J. Bartlett

5th Maine Infantry Regiment

Colonel Nathaniel J. Jackson (until 9/24)

16th New York Infantry Regiment

Lt. Colonel Joel J. Seaver (to colonel 9/29)

27th New York Infantry Regiment

Lt. Colonel Alexander D. Adams

121st New York Infantry Regiment

Colonel Richard Franchot (until 9/25)

Lt. Colonel Emory Upton

96th Pennsylvania Infantry Regiment

Colonel Henry L. Cake

Third Brigade

Brigadier General John Newton

Colonel R. Matthewson

18th New York Infantry Regiment

Colonel George R. Myers

31st New York Infantry Regiment

Colonel Calvin E. Pratt (to 9/10)

Lt. Colonel Francis E. Pinto

Lt. Col. Pinto, 32nd New York took command of the 31st after Col. Pratt was promoted. After Col. Matheson and Maj. Lemmon of the 32nd were mortally wounded, he temporarily commanded both regiments jointly

32nd New York Infantry Regiment

Colonel Roderick Matheson (mw 9/14)

Major George F. Lemmon (mw 9/14)

Lt. Colonel Francis E. Pinto (after 9/14)

95th Pennsylvania Infantry Regiment

Colonel Gustavus W. Town

Artillery and Cavalry

Captain Emory Upton

Maryland Artillery, Battery A

Captain John W. Woolcott

1st Massachusetts Battery

Captain Josiah Porter

New Jersey Artillery, Battery A

Captain William Hexamer

2nd United States Artillery, Battery D

Lieutenant Edward B. WIlliston