United States Army


< to May • June 1863 • to July >

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

Headquarters

Headquarters Staff
Chief of Staff Major General Daniel Butterfield
Chief of Artillery Brigadier General Henry J. Hunt
Chief Engineer Brigadier General Gouverneur K. Warren
Assistant Adjutant General Brigadier General Seth Williams
Inspector General Colonel Delos B. Sacket
Chief Quartermaster Lieutenant Colonel Rufus Ingalls
Medical Director Surgeon Jonathan Letterman
Bureau of Information Colonel George H. Sharpe
Chief Signals Officer Captain Samuel T. Cushing
Guards and Orderlies
Oneida (New York) Cavalry Company Captain Daniel P. Mann
6th Pennsylvania Cavalry Regiment,
Companies E and I
Captain Emlen N. Carpenter (Co. E)
Captain James Starr (Co. I)
Provost Guard Major William H. Wood
93rd New York Infantry, Cos. AFH&K Colonel John S. Crocker
94th New York Infantry Regiment Colonel Adrian Rowe Root
2nd Pennsylvania Cavalry Regiment Colonel Richard Butler Price from 22 Corps, Stahel’s Div. 2 Brig.
8th United States Infantry, Cos. ABDF&G Captain Edwin W. H. Read
Provost Guard-Patrick’s Brigade Colonel William F. Rogers
35th New York Infantry Regiment Colonel John G. Todd mustered out 6/5
80th New York Infantry Regiment Colonel Theodore B. Gates to 1st Corps, 3 Div., 1 Brig.
Engineer Brigade Brigadier General Daniel Woodbury
15th New York Engineer Regiment Colonel John M. Murphy
50th New York Engineer Regiment Lieutenant Colonel William H. Pettes
Regular Engineer Battalion Captain James C. Duane

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
1st United States Artillery, Battery H
3rd United States Artillery, Batteries F&K
4th United States Artillery, Battery C
4th United States Artillery, Battery G to 11th Corps Artillery
5th United States Artillery, Battery C
2nd Regular Brigade Captain John C. Tidball to Cavalry Corps, 2nd Brig. Horse Artillery
1st United States Artillery, Batteries E&G
1st United States Artillery, Battery K
2nd United States Artillery, Battery A
3rd United States Artillery, Battery C
1st Volunteer Brigade Lieutenant Colonel Freeman McGilvery
6th Maine Battery to 4th Volunteer Brig. (below)
1st New York Artillery, Battery B
1st New York Artillery, Battery G to 4th Volunteer Brig. (below)
5th Massachusetts Battery/
10th New York Independent Battery
Captain Charles A. Philips temporarily combined due to casualties from Chancellorsville
15th New York Independent Battery
1st Ohio Artillery, Battery H to 3 Volunteer Brig. (below)
Pennsylvania Independent Battery C Captain James Thompson combined with Pennsylvania Independent Battery F 6/3
2nd Volunteer Brigade Captain Elijah D. Taft
1st Connecticut Heavy Artillery, Company B Lieutenant Albert F. Brooker
1st Connecticut Heavy Artillery, Company B Captain Franklin A. Pratt
5th New York Independent Battery Captain Elijah D. Taft
29th New York Independent Battery Captain Otto Diederichs
30th New York Independent Battery Captain Adolph Voegelee
31st New York Independent Battery Lieutenant Bernhard Wever
32nd New York Independent Battery Captain Charles Kusserow
3rd Volunteer Brigade Captain James F. Huntington
1st New Hampshire Battery
1st Ohio Artillery, Battery H from 1 Volunteer Brig. (above)
1st Pennsylvania Artillery, Battery F
1st Pennsylvania Artillery, Battery G
1st Rhode Island Artillery, Battery C to 6th Corps Artillery Brig
1st West Virginia Artillery, Battery C
4th Volunteer Brigade Captain Robert H. Fitzhugh
6th Maine Battery from 1st Volunteer Bde. (above)
1st Maryland Artillery, Battery A
1st New Jersey Artillery, Battery A from 6th Corps Artillery Bde.
1st New York Artillery, Battery G from 1st Volunteer Bde. (above)
1st New York Artillery, Battery K
11th New York Independent Battery
1st Rhode Island Artillery, Battery G
Unattached
32nd Massachusetts Infantry, Co. C
1st Maryland Artillery, Battery B Captain Alonzo Snow to 22nd Corps, Camp Berry
12th Ohio Independent Battery Captain Aaron C. Johnson to 22nd Corps, Camp Berry

Cavalry Corps

Brigadier General Alfred Pleasonton
1st Division Brigadier General John Buford
2nd Division Colonel Alfred N. Duffie
3rd Division Brigadier General David McM. Gregg