The United States Army in the Eastern Theater
< to November • December 1862 • to January >
Commanded by Major General Henry Halleck
Army of the Potomac
Major General Ambrose Burnside
Department of Virginia
Major General John Dix
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Middle Department
Major General John E. Wool (to December 22)
Major General Robert Schenck
Washington D.C. Defenses
Major General Samuel Heintzelman

