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

First Division

Brigadier General J. J. Bartlett (until 4/3)

Brigadier General Charles Griffin (after 4/3)

First (Fourth) Brigade

Brigadier General Romeyn Ayres

140th New York Infantry Regiment

146th New York Infantry Regiment

91st Pennsylvania Infantry Regiment

155th Pennsylvania Infantry Regiment

2nd United States Infantry Regiment

redesignated from 4th Bde.

11th United States Infantry Regiment

12th United States Infantry Regiment

14th United States Infantry Regiment

17th United States Infantry Regiment

Second Brigade

Colonel J. Hayes (until 4/3)

Brigadier General J. J. Bartlett (after 4/3)

9th Massachusetts Infantry Regiment

22nd Massachusetts Infantry Regiment

32nd Massachusetts Infantry Regiment

4th Michigan Infantry Regiment

62nd Pennsylvania Infantry Regiment

Third Brigade

Brigadier General Romeyn Ayres

20th Maine Infantry Regiment

18th Massachusetts Infantry Regiment

1st Michigan Infantry Regiment

16th Michigan Infantry Regiment

44th New York Infantry Regmiment

Lt. Colonel Freeman Connor

83rd Pennsylvania Infantry Regiment

118th Pennsylvania Infantry Regiment

Fourth Brigade

Redesignated First Brigade (see above)