U.S. Army - Army of the Potomac

Headquarters

Guards and Orderlies

McClellan Dragoons (Illinois)

Sturgis (Illinois) Rifles

Oneida (New York) Cavalry Company

4th United States Cavalry, Cos. A & E

Provost Guard

Colonel Andrew Porter

8th United States Infantry, Cos. ABDF&G

2nd United States Cavalry, Cos. EFH&K

Engineer Brigade

15th New York Engineer Regiment

50th New York Engineer Regiment

Regular Engineer Battalion

Siege Artillery

1st Connecticut Heavy Artillery

Artillery Reserve

1st New York Artillery Bn., Battery A

1st New York Artillery Bn., Battery B

1st New York Artillery Bn., Battery C

1st New York Artillery Bn., Battery D

5th New York Independent Battery

1st United States Artillery, Battery E

1st United States Artillery, Batteries G&K

2nd United States Artillery, Battery A

2nd United States Artillery, Battery B

2nd United States Artillery, Battery E

2nd United States Artillery, Battery L

2nd United States Artillery, Battery M

3rd United States Artillery, Batteries C&G

3rd United States Artillery, Batteries F&K

3rd United States Artillery, Batteries L&M

4th United States Artillery, Battery G

4th United States Artillery, Battery K

5th United States Artillery, Battery A

5th United States Artillery, Battery I

5th United States Artillery, Battery K

5th United States Artillery, Battery M

Infantry Reserve

Bde. Gen. George Sykes

2nd United States Infantry

3rd United States Infantry, Cos.BDGH&K

4th United States Infantry

6th United States Infantry

10th United States Infantry

11th United States Infantry

12th United States Infantry

14th United States Infantry

17th United States Infantry

5th New York Infantry Regiment