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