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

First Division

Brigadier General George W. Morrell

First Brigade

Colonel James Barnes

2nd Maine Infantry Regiment

Colonel Charles W. Roberts

20th Maine Infantry Regiment

Colonel Adelbert Ames

from Department of Washington

1st Michigan Infantry Regiment

Captain Emory W. Belton

18th Massachusetts Infantry Regiment

Lt. Colonel Joseph Hayes

22nd Massachusetts Infantry Regiment

Lt. Colonel William S. Tilton

13th New York Infantry Regmiment

Colonel Elisha G. Marshall

25th New York Infantry Regmiment

Colonel Charles A. Johnson

118th Pennsylvania Infantry Regiment

Colonel Charles M. Prevost (w 9/19)

Lt. Colonel James Gwyn (after 9/19)

from Department of Washington

Second Brigade

Bde. Gen. Charles Griffin

2nd District of Columbia Infantry Rgt.

Colonel Charles M. Alexander

temp. attached from Washington Def. 9/6 -22

9th Massachusetts Infantry Regiment

Colonel Patrick R. Guiney

32nd Massachusetts Infantry Regiment

Colonel Francis J. Parker

4th Michigan Infantry Regiment

Colonel Jonathan W. Childs

14th New York Infantry Regmiment

Colonel James McQuade

62nd Pennsylvania Infantry Regiment

Colonel Jacob B. Sweitzer

Third Division

Colonel H. S. Lansing (until 9/18)

Colonel T. B. W. Stockton (after 9/18)

16th Michigan Infantry Regiment

Lt. Colonel Norval E. Welch

12th New York Infantry Regmiment

Captain William Huson

17th New York Infantry Regmiment

Lt. Colonel Nelson B. Bartram

44th New York Infantry Regmiment

Colonel James O. Rice

83rd Pennsylvania Infantry Regiment

Captain Orpheus S. Woodward

Artillery and Sharpshooters

3rd Massachusetts Battery

Captain Augustus P. Martin

5th Massachusetts Battery

1st Rhode Island Artillery, Battery C

Captain Richard Waterman

5th United States Artillery, Battery D

Lieutenant Charles E. Hazlett

1st United States Sharpshooters

Captain John B. Isler