United States Army


< to May • June 1863 • to July >

Commanded by:
Major General Joseph Hooker (to June 28)
Major General George Meade

Headquarters
First Corps Major General John F. Reynolds (to wing commander 6/30)
Major General Abner Doubleday
1st Division Brigadier General John S. Wadsworth
2nd Division Brigadier General John C. Robinson
3rd Division Major General Abner Doubleday (^ 6/30)
Brigadier General Thomas A. Rowley
Second Corps Major General Winfield S. Hancock
1st Division Brigadier General John C. Caldwell
2nd Division Brigadier General John Gibbon 
3rd Division Major General William H. French (to 6/28)
Brigadier General Alexander Hays
Third Corps Major General David B. Birney (to 6/3)
Major General Daniel Sickles
1st Division Brigadier General J. H. H. Ward (to 6/3)
Major General David Birney
2nd Division Major General Andrew A. Humphreys
3rd Division Brigadier General Charles K. Graham discontinued 6/20
Fifth Corps Major General George Meade (^ 6/28)
Major General George Sykes
1st Division Brigadier General Charles Griffin (to 5/5)
Brigadier General James Barnes
2nd Division Major General George Sykes (^ 6/28)
Brigadier General Romeyn B. Ayres
3rd Division Brigadier General Samuel W. Crawford from Washington
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 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 Brigadier General Robert O. Tyler
1st Regular Brigade Captain Dunbar R. Ransom
2nd Regular Brigade Captain John C. Tidball  to Cavalry Corps
1st Volunteer Brigade Lieutenant Colonel Freeman McGivery
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
2nd Division Brigadier General W. W. Averill (to 5/16)
Colonel A. N. Duffie
3rd Division Brigadier General David McM. Gregg