U.S. Army - Army of the Potomac

Ninth Army Corps

Major General John G. Parke (until 12/31)

Brigadier General Orlando B. Wilcox (12/31)

First Division

Brigadier General Orlando Wilcox (until 12/31)

Colonel N. B. McLaughlin (12/31)

First Brigade

Colonel James Bintliff (until 12/17)

Colonel S. Harriman (after 12/17)

Second Brigade

Colonel B. M. Cutcheon

Third Brigade

Colonel N. B. McLaughlin (until 12/30)

Lt. Colonel G. P. Robinson (after 12/30)

Second Division

Brigadier General R. B. Potter (until 12/22)

Brigadier General S. G. Griffin (after 12//22)

First Brigade

Colonel J. I. Curtin

Second Brigade

Colonel S. G. Griffin (to 12/22)

Colonel H. B. Titus (after 12/22)

Third Division

Brigadier General Edward Ferrero (until 12/15)

Brigadier General John Hartranft (after 12/15)

First Brigade

Colonel J. A. Matthews (until 12/15)

Colonel C. W. Diven (after 12/15)

Second Brigade

Colonel J. A. Matthews (after 12/15)

Hartranft's Provisional Brigade

Bde. Gen. J. R. Hartranft

to 3rd Div. 12/15

200th Pennsylvania Infantry Regiment

to 3rd Div., 1st Bde.

205th Pennsylvania Infantry Regiment

to 3rd Div., 2nd Bde.

207th Pennsylvania Infantry Regiment

to 3rd Div., 2nd Bde.

208th Pennsylvania Infantry Regiment

to 3rd Div., 1st Bde.

209th Pennsylvania Infantry Regiment

to 3rd Div., 1st Bde.

211th Pennsylvania Infantry Regiment

to 3rd Div., 2nd Bde.

Artillery

7th Maine Battery

11th Massachusetts Battery

19th New York Independent Battery

27th New York Independent Battery

34th New York Independent Battery

Pennsylvania Independent Battery D