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

First Division

Brigadier General J. J. Bartlett (to 12/31)

Colonel J. B. Sweitzer (after 12/31)

First Brigade

Colonel W. S. Tilton

1st Michigan Infantry Regiment

18th Massachusetts Infantry Regiment

22nd Massachusetts Infantry Regiment

118th Pennsylvania Infantry Regiment

Second Brigade

Colonel J. B. Sweitzer (until 12/18)

Lt. Colonel J. C. Hull (after 12/18)

9th Massachusetts Infantry Regiment

32nd Massachusetts Infantry Regiment

4th Michigan Infantry Regiment

62nd Pennsylvania Infantry Regiment

Third Division

Colonel J. L. Chamberlain (until 12/19)

Colonel J. Hayes (after 12/19)

20th Maine Infantry Regiment

16th Michigan Infantry Regiment

44th New York Infantry Regmiment

Lt. Colonel Freeman Connor

83rd Pennsylvania Infantry Regiment