The United States Army in the Eastern Theater
< to December • January 1863 • to February >
Commanded by Major General Henry Halleck
Army of the Potomac
Major General Ambrose Burnside (to 1/26)
Major General Joseph Hooker
Middle Department
Major General Robert Schenck
Department of Virginia
Major General John Dix
Washington D.C. Defenses
Major General Samuel P. Heintzelman