Chancellorsville Union order of battle

The following Union Army units and commanders fought in the Battle of Chancellorsville of the American Civil War. The Confederate order of battle is listed separately. Order of battle compiled from the army organization during the battle, the casualty returns and the reports.
Army of the Potomac.
MG Joseph Hooker
General Staff and Headquarters.
General Staff:
General Headquarters:
Command of the Provost-Marshal-General: BG Marsena R. Patrick
Patrick's Brigade: Col William F. Rogers
Engineer Brigade: BG Henry W. Benham
Signal Corps: Cpt Samuel T. Cushing
Ordnance Detachment: Lt John R. Edie, Jr.
Guards and Orderlies:
I Corps.
MG John F. Reynolds
Chief of Artillery: Col Charles S. Wainwright
Escort:
II Corps.
MG Darius N. Couch
Chief of Artillery and Assistant Inspector-General: Ltc Charles H. Morgan
Escort:
III Corps.
MG Daniel Sickles
Chief of Artillery: Cpt George E. Randolph
V Corps.
MG George Meade
Chief of Artillery: Cpt Stephen H. Weed
Escort:
VI Corps.
MG John Sedgwick
Chief of Artillery: Col Charles H. Tompkins
Escort: Maj Hugh H. Janeway
XI Corps.
MG Oliver O. Howard
Chief of Artillery: Ltc Louis Schirmer
Escort:
XII Corps.
MG Henry W. Slocum
Chief of Artillery: Cpt Clermont L. Best
Provost Guard:
Cavalry Corps.
BG George Stoneman
Artillery.
BG Henry J. Hunt