The United States Army


< to April • May 1863 • to June >

Commanded by Major General Joseph Hooker

Headquarters
First Corps Major General John F. Reynolds
1st Division Brigadier General John S. Wadsworth
2nd Division Brigadier General John C. Robinson
3rd Division Major General Abner Doubleday
Second Corps Major General Darius N. Couch (to 5/22)
Major General Winfield S. Hancock
1st Division Major General Winfield S. Hancock (to 5/22)
Brigadier General John C. Caldwell
2nd Division Brigadier General John Gibbon 
3rd Division Major General William H. French
Third Corps Major General Daniel Sickles (to 5/29)
Major General David B. Birney
1st Division Brigadier General David Birney (to 5/29)
Brigadier General J. H. H. Ward
2nd Division Brigadier General Hiram Berry (k 5/3)
Brigadier General Joseph B. Carr (to 5/23)
Major General Andrew A. Humphreys
3rd Division Brigadier General Amiel W. Whipple (mw 5/3)
Brigadier General Charles K. Graham
Fifth Corps Major General George Meade 
1st Division Brigadier General Charles Griffin (to 5/5)
Brigadier General James Barnes
2nd Division Major General George Sykes
3rd Division Brigadier General Andrew A. Humphreys dissolved 5/24
Sixth Corps Major General John Sedgwick
1st Division Brigadier General W. T. H. Brooks (to 5/23)
Brigadier General Horatio G. Wright
2nd Division Brigadier General Albion P. Howe
3rd Division Brigadier General John Newton
Eleventh Corps Major General Oliver O. Howard
1st Division Brigadier General Charles Devens (to 5/2)
Brigadier General Nathaniel C. McLean (to 5/24)
Brigadier General Francis C. Barlow
2nd Division Brigadier General Adolph Von Steinwehr
3rd Division Brigadier General Carl Schurz 
Twelfth Corps
Major General Henry W. Slocum
1st Division Brigadier General Alpheus Williams
2nd Division Brigadier General John W. Geary
Artillery Reserve Captain William M. Graham (to 5/2)
Brigadier General Robert O. Tyler
 reorganized 5/2
1st Regular Brigade Captain Dunbar R. Ransom
2nd Regular Brigade Captain John C. Tidball
1st Volunteer Brigade Lieutenant Colonel Freeman McGilvery
2nd Volunteer Brigade Captain Elijah D. Taft
3rd Volunteer Brigade Captain James F. Huntington
4th Volunteer Brigade Captain Robert H. Fitzhugh
Cavalry Corps Major General George Stoneman (to 5/22)
Brigadier General Alfred Pleasonton
1st Division Brigadier General Alfred Pleasonton (to 5/22)
Brigadier General John Buford (to 5/27)
Colonel Benjamin F. Davis
2nd Division Brigadier General W. W. Averill (to 5/16)
Colonel A. N. Duffie
3rd Division Brigadier General David McM. Gregg