The United States Army in the Eastern Theater
< to July • August 1862 • to September >
Commanded by Major General Henry Halleck

Army of the Potomac
Major General George B. McClellan
Army of Virginia
Major General John Pope
Department of Virginia
Major General John Dix
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Middle Department
Major General John E. Wool
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Military Dist. of Washington
Brigadier General James S. Wadsworth
