The United States Army in the Eastern Theater


< to September • October 1862 • to November >

Commanded by Major General Henry Halleck

Army of the Potomac
Major General George B. McClellan

Department of Virginia
Major General John Dix 

Middle Department
Major General John E. Wool

Washington D.C. Defenses
Major General Nathaniel Banks (to 10/27)
Major General Samuel Heintzelman 

Army of the Potomac

Dept. of Virginia

Middle Department

Washington D.C. Defenses