U.S. Army

22nd Army Corps, Department of Washington

Major General C. C. Augur

Defences North of the Potomac

Lt. Colonel J. A. Haskins

First Brigade

Colonel A. A. Gibson

Second Brigade

Colonel L. O. Morris

Third Brigade

Colonel W. R. Pease

Defences South of the Potomac

Bde. Gen. G. A. DeRussy

First Brigade

Colonel T. R. Tannatt

Second Brigade

Colonel H. L. Abbot

Third Brigade

Col. J. C. Tidball

Fourth Brigade

Major L. Schamberger (to 2/12)

Colonel L. Scirmer

King's Division

Bde. Gen. R. O. Tyler

First Brigade

Colonel A. H. Grimshaw

Second Brigade

Colonel M. Murphy

Independent Cavalry Brigade

Colonel C. R. Lowell, Jr.

Colonel H.M. Lazelle

2nd Massachusetts Cavalry Regiment

13th New York Cavalry Regiment

16th New York Cavalry Regiment

District of Alexandria

Brig. Gen. John P. Slough

4th Delaware Infantry Regiment

1st District of Columbia Infantry Regt.

5th New York Veteran Infantry Regiment

Pennsylvania Independent Battery H

Second Brigade, Pa. Reserves

Colonel H. G. Sickel

3rd Pennsylvania Reserves Regiment

4th Pennsylvania Reserves Regiment

7th Pennsylvania Reserves Regiment

8th Pennsylvania Reserves Regiment

District of Washington

Bde. Gen. J. H. Martindale

14th New Hampshire Infantry Regiment

to Department Gulf, New Orleans

153rd New York Infantry Regiment

to Department Gulf, 19th Corps, 1st Div.

150th Pennsylvania Infantry, Co. K

1st Veteran Reserve Corps

6th Veteran Reserve Corps

9th Veteran Reserve Corps

Light Artillery Camp Camp Berry

Bde. Gen. A. P. Howe

2nd Connecticut Light Battery

to Department of the Gulf

1st Delaware Battery

to Department of the Gulf

2nd Maine Light Artillery

3rd Maine Light Artillery

reorganized from 1st Maine Heavy Artillery

7th Maine Light Artillery

from Maine

11th Massachusetts Battery

from Massachusetts

13th Michigan Independent Battery

from Michigan

14th Michigan Independent Battery

from Michigan

3rd New Jersey Battery

4th New Jersey Battery

5th New Jersey Battery

1st New York Artillery, Battery F

10th New York Independent Battery

19th New York Independent Battery

27th New York Independent Battery

33rd New York Independent Battery

to Dept. Va. & NC., Yorktown

1st Pennsylvania Artillery, Battery H

1st Pennsylvania Artillery, Battery I

1st Rhode Island Artillery, Battery H

3rd Vermont Battery

5th United States Artillery, Battery D

5th United States Artillery, Battery F

5th United States Artillery, Battery I

5th United States Artillery, Battery L