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

Second Division

Brigadier General J. Sedgwick (w 9/17)

Brigadier General O. O. Howard (after 9/17)

First Brigade

Brigadier General Willis A. Gorman

1st Co. Massachusetts Sharpshooters

Captain John Saunders (k 9/17)

1st Minnesota Infantry Regiment

Colonel Alfred Sully

2nd Co. Minnesota Sharpshooters

Captain William F. Russel

15th Massachusetts Infantry Regiment

Lt. Colonel John W. Kimball

34th New York Infantry Regiment

Colonel James A. Sulter

82nd New York Infantry Regiment

Colonel Henry W. Hudson

Second Brigade

Bde. Gen. Oliver O. Howard (until 9/17)

Colonel Joshua T. Owen (9/17)

Colonel DeWitt C. Baxter (after 9/17)

69th Pennsylvania Infantry Regiment

Colonel Joshua T. Owen

71st Pennsylvania Infantry Regiment

Colonel Isaac J. Wistar (w 9/17)

Captain Richard P. Smith (w 9/17)

Captain Enoch E. Lewis (after 9/17)

72nd Pennsylvania Infantry Regiment

Colonel DeWitt C. Baxter

106th Pennsylvania Infantry Regiment

Colonel Turner G. Morehead

Third Brigade

Colonel W. L. Tidball (until 9/7)

Bde. Gen. N. J. T. Dana (9/7 - w 9/17)

Colonel Norman Hall (after 9/17)

19th Massachusetts Infantry Regiment

Colonel Edward W. Hinks (w 9/17)

Lt. Colonel Arthur F. Devereux

20th Massachusetts Infantry Regiment

Colonel William R. Lee

7th Michigan Infantry Regiment

Colonel Norman J. Hall (until 9/17)

Captain Charles J. Hunt (after 9/17)

42nd New York Infantry Regiment

Lt. Colonel George N. Bornford

59th New York Infantry Regiment

Colonel William L. Tidball

Artillery

1st Rhode Island Artillery, Battery A

Captain John A. Tompkins

1st United States Artillery, Battery I

Lieutenant George A. Woodruff