Army of the Potomac
Major General George Meade

Middle Department
Major General Robert Schenck

Department of Virginia
Major General John Dix
Merged into
Department of Virginia & North Carolina
(established 7/15) 
Brigadier General George W. Getty
(to 7/20)
Major General J. 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