U.S. Army - Army of the Potomac

Ninth Army Corps

Major General Ambrose E. Burnside

Created July 22, 1862 by General Order #125

First Division

Brigadier General Israel I. Stevens

First Brigade

Colonel W. M. Fenton

Second Brigade

Colonel Daniel Leasure

Second Division

Major General Jesse L. Reno

First Brigade

Brigadier General James Nagle

Second Brigade

Brigadier General Edward Ferrero

Third Division

Major General John G. Parke

First Brigade

Colonel Rush C. Hawkins

Second Brigade

Colonel E. Harland