The United States Army in the Eastern Theater
< to January • February 1864 • to March >
Commanded by Major General Henry Halleck
Army of the Potomac
Major General George Meade
Middle Department
Brigadier General Henry H. Lockwood
Department of Virginia & North Carolina
Major General Benjamin Butler
Department of Washington
Major General Christopher Augur 
Department of the Susquehanna
Major Genral Darius Couch
Department of West Virginia
Brigadier General Benjamin F. Kelly
