U.S. Army - Army of the Potomac

Headquarters, Cavalry & Provost Guard

Provost Guard

Colonel Andrew Porter

Sturgis (Illinois) Rifles

from Headquarters, Div. Potomac

2nd United States Infantry Regiment

from Defences of Washington

3rd United States Infantry, Cos.BDGH&K

from Defences of Washington

4th United States Infantry Regiment

from Defences of Washington

6th United States Infantry Regiment

from Defences of Washington

8th United States Infantry, Cos. F&G

from Defences of Washington

4th United States Cavalry, Cos. A&E

from Defences of Washington

5th United States Artillery, Battery K

new

Engineer Brigade

15th New York Engineer Regiment

from 15th New York Infantry Regiment

50th New York Engineer Regiment

from Porter's Div., 3rd Bde.

Regular Engineer Battalion

Reserve Artillery

1st New York Artillery Bn., Battery A

from New York 10/12

1st New York Artillery Bn., Battery B

from New York 10/12

1st New York Artillery Bn., Battery C

from New York 10/12

1st New York Artillery Bn., Battery D

from New York 10/12

1st United States Artillery, Battery H

from Reserve Artilery

1st United States Artillery, Batteries G&K

from Richardson's Bde.

2nd United States Artillery, Battery A

from Blenker's Bde.

2nd United States Artillery, Battery B

from Dept. of Virginia

2nd United States Artillery, Battery L

from Dept. of Virginia

3rd United States Artillery, Batteries F&K

4th United States Artillery, Battery K

5th United States Artillery, Battery A

Reserve Cavalry

2nd United States Cavalry Regiment

Garrison Alexandria

88th Pennsylvania Infantry Regiment

from camp at Kendall Green 10/12

Fort Albany

14th Massachusetts Infantry Regiment

from Defences Washington

Fort Washington

37th New York Infantry Regiment, H&I

from Div. Potomac, Hunter's Bde.

1st United States Artillery, Battery D

from Regular Army