U.S. Army - Army of the Potomac

Ninth Army Corps

Major General John G. Parke

First Division

Brigadier General Orlando B. Wilcox

First Brigade

Colonel S. Harriman

Second Brigade

Colonel R. Ely

Third Brigade

Lt. Colonel G. P. Robinson (until 4/2)

Colonel J. Bintliff (4/2 - 4/24)

Colonel E. C. Marshall (after 4/24)

Second Division

Brigadier General R. B. Potter (until 4/2)

Brigadier General S. G. Griffin (4/2 - 4/22)

Brigadier General J. J. Bartlett (after 4/22)

First Brigade

Colonel J. I. Curtin

Second Brigade

Bde. Gen. S. G. Griffin (except 4/2 - 4/22)

Colonel W. Harriman (4/2 - 4/22)

Third Division

Brigadier General John Hartranft

First Brigade

Colonel C. W. Diven (until 4/3)

Colonel A. B. McCalmont (after 4/3)

Second Brigade

Colonel J. A. Matthews

Collis' Independent Brigade

Brevet Bde. Gen. Charles H. T. Collis

1st Massachusetts Cavalry (8 cos.)

Major John Tewksbury

from Army Provost Guard

to Army Headquarters

61st Massachusetts Infantry Regiment

Colonel Charles F. Walcott

from Army of the James Engineer Bde.

to 5th Corps, 2nd Div., 1st Bde

80th New York Infantry Regiment

Colonel Jacob B. Hardenbergh

from Army Provost Guard

to Department of Virginia

68th Pensylvania Infantry Regiment

Colonel Andrew H. Tippin

Lt. Colonel Robert E. Winslow

from Army Provost Guard

to Hart's Island, New York

114th Pennsylvania Infantry Regiment

Captain Henry M. Eddy

Captain John R. Waterhouse

from Army Provost Guard

to 5th Corps, 2nd Div., 1st Bde

Artillery

7th Maine Battery

Captain Adelbert B. Twitchell

11th Massachusetts Battery

Captain Edward B. Jones

19th New York Independent Battery

Captin Edward W. Rogers

27th New York Independent Battery

Captain John B. Eaton

34th New York Independent Battery

Brevet Major Jacob Roemer

Pennsylvania Independent Battery D

Captain Samuel H. Rhoads