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

Second Division

Brigadier General J. Sedgwick

First Brigade

Brigadier General W. A. Gorman

15th Massachusetts Infantry Regiment

1st Minnesota Infantry Regiment

34th New York Infantry Regiment

82nd New York Infantry Regiment

Second Brigade

Colonel DeWitt C. Baxter (until 8/27)

Bde. Gen. Oliver O. Howard (after 8/27)

69th Pennsylvania Infantry Regiment

71st Pennsylvania Infantry Regiment

72nd Pennsylvania Infantry Regiment

106th Pennsylvania Infantry Regiment

Third Brigade

Brigadier General N. J. T. Dana (until 8/5)

Colonel W. L. Tidball (after 8/5)

19th Massachusetts Infantry Regiment

20th Massachusetts Infantry Regiment

7th Michigan Infantry Regiment

42nd New York Infantry Regiment

Lt. Colonel George Bornford

59th New York Infantry Regiment