U.S. Army - Army of the Potomac - Cavalry Corps

First Division

Brigadier General Wesley Merritt

First Brigade

Colonel George Chapman

3rd Indiana Cavalry Regiment

8th Illinois Cavalry Regiment

12th Illinois Cavalry Regiment

8th New York Cavalry Regiment

Second Brigade

Colonel Thomas C. Devin

4th New York Cavalry Regiment

6th New York Cavalry Regiment

8th Pennsylvania Cavalry Regiment

17th Pennsylvania Cavalry Regiment

Third Brigade

Colonel A. Gibbs

1st United States Cavalry Regiment

2nd United States Cavalry Regiment

5th United States Cavalry Regiment

6th United States Cavalry Regiment

19th New York Cavalry Regiment

6th Pennsylvania Cavalry Regiment