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
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Middle Department
Major General Robert Schenck
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Department of Virginia
Major General John Dix
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Washington D.C. Defenses
Major General Samuel P. Heintzelman ![]()
