United States Army


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Commanded by Major General Joseph Hooker

Headquarters
First Corps Major General John F. Reynolds 
1st Division Brigadier General John S. Wadsworth (to 2/27)
Brigadier General Solomon Meredith
2nd Division Brigadier General John C. Robinson
3rd Division Major General Abner Doubleday (to 2/3)
Colonel R. P. Cummings (to 2/5)
Major General Abner Doubleday
Second Corps Major General Oliver O. Howard (to 2/5)
Major General Darius N. Couch
1st Division Brigadier General Samuel K. Zook (to 2/20)
Major General Winfield S. Hancock
2nd Division Brigadier General Joshua T. Owen (to 2/7)
Major General Oliver O. Howard
3rd Division Major General William H. French
Third Corps Major General Daniel Sickles
1st Division Brigadier General David Birney
2nd Division Brigadier General J. B. Carr (to 2/8)
Brigadier General Hiram Berry
3rd Division Brigadier General Amiel W. Whipple
Fifth Corps Brigadier General Charles Griffin (2/1)
Major General George Sykes (to 2/5)
Major General George Meade (to 2/16 )
Major General George Sykes (to 2/23)
Major General Andrew A. Humphreys (to 2/28)
Major General George Meade 
1st Division Colonel James Barnes (2/1)
Brigadier General Charles Griffin
2nd Division Major General George Sykes
3rd Division Colonel E. M. Gregory (to 2/12)
Brigadier General Andrew A. Humphreys
Sixth Corps Major General William F. Smith (to 2/24)
Major General John Sedgwick
1st Division Brigadier General W. T. H. Brooks
2nd Division Brigadier General Albion P. Howe
3rd Division Brigadier General Charles Devens Jr.
Brigadier General John Newton
Ninth Corps Major General John Sedgwick (to 2/24)
Major General William F. Smith
1st Division Brigadier General William W. Burns (to 2/27)
Brigadier General Orlando B. Wilcox
2nd Division Brigadier General Samuel D. Sturgis (to 2/27)
Brigadier General Edward Ferrero
3rd Division Brigadier General George W. Getty
Eleventh Corps Brigadier General Carl Schurz (to 2/5)
Major General Franz Sigel 
(2/5-2/22)
Brigadier General Adolph Von Steinwehr
1st Division Brigadier General Nathaniel C. McLean (to 2/5)
Brigadier General Julius H. Stahel 
2nd Division Brigadier General Adolph Von Steinwehr (to 2/22)
Colonel Adolph Bushbeck
3rd Division Brigadier General Alexander Schimmelfenning (to 2/20)
Brigadier General Carl Schurz
Twelfth Corps
Major General Henry W. Slocum
1st Division Brigadier General Alpheus Williams
2nd Division Brigadier General John W. Geary
Cavalry Corps Major General George Stoneman  expanded from Div. 2/22
1st Division Brigadier General Alfred Pleasonton
2nd Division Brigadier General William W. Averill
3rd Division Brigadier General David McM. Gregg