Army of the Potomac

Major General Joseph Hooker

Headquarters

First Corps

Brigadier General John F. Reynolds

Bde. Gen. James S. Wadsworth

Brigadier General J.C. Robinson

Brigadier General A. Doubleday

Second Corps

Maj. Gen. Darius N. Couch (until 5/22)

Maj. Gen. Winfield S. Hancock

Bde Gen. W. S. Hancock (until 5/22)

Bde Gen. J. C. Caldwell

Bde. Gen. John Gibbon

Major General W. H. French

Third Corps

Major General Daniel Sickles (until 5/29)

Major General David B. Birney

Maj. Gen. David Birney (until 5/29)

Bde. Gen. J. H. H. Ward

Bde. Gen. Hiram Berry (k 5/3)

Bde. Gen. J. B. Carr (5/3 - 5/23)

Maj. Gen. A. A. Humphreys (after 5/23)

Bde. Gen. C. K. Graham

Fifth Army Corps

Major General George Meade

Bde. Gen. Charles Griffn (until 5/5)

Bde. Gen. James Barnes

Brigadier General G. Sykes

Bde. Gen. A. A. Humphreys

division dissolved 5/25

Sixth Army Corps

Major General John Sedgwick

Bde. Gen. W. T. H. Brooks (until 5/23)

Bde. Gen. Horatio G. Wright

Brigadier General A. P. Howe

Bde. Gen. John Newton

Eleventh Army Corps

Major General Oliver O. Howard

Bde. Gen. C. Devens (until 5/2)

Bde. Gen. N. C. McLean (5/2 - 5/24)

Bde. Gen. Francis C. Barlow (after 5/24)

Bde. Gen. A. Von Steinwehr

Bde. Gen. Carl Schurz

Twelfth Army Corps

Major General Henry W. Slocum

Bde. Gen. Alpheus Williams

Bde. Gen. John W. Geary

Cavalry Corps

Major General George Stoneman (until 5/22)

Brigadier General Alfred Pleasonton

Bde. Gen. Alfred Pleasonton (until 5/22)

Bde. Gen. John Buford

Bde. Gen. W. W. Averill (until 5/16)

Colonel A. N. Duffie

Brigadier General David McM. Gregg