The United States Army in the Eastern Theater
< to July • August 1863 • to September >
Commanded by Major General Henry Halleck
Army of the Potomac
Major General George Meade
Middle Department
Major General Robert Schenck
Department of Virginia & North Carolina
Major General John G. Foster
Department of Washington
Major General Samuel P. Heintzelman 
Department of the Susquehanna
Major Genral Darius Couch
Department of West Virginia
Brigadier General Benjamin F. Kelly
