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 

Middle Department
Major General John E. Wool (to December 22)
Major General Robert Schenck

Washington D.C. Defenses
Major General Samuel Heintzelman 

Army of the Potomac

Dept. of Virginia

Middle Department

Washington D.C. Defenses