United States Army

< to September • October 1862 • to November >

Commanded by Major General George B. McClellan

Headquarters & Staff
First Corps Brig. Gen. John F. Reynolds
1st Division Brig. Gen. Abner Doubleday
2nd Division Brig. Gen. N. Taylor
3rd Division Brig. Gen. George Meade
Second Corps Major General Edwin V. Sumner (to 10/7)
Major General Darius N. Couch
1st Division Brig. Gen. Winfield S. Hancock
2nd Division Brig. Gen. Oliver O. Howard
3rd Division Brig. Gen. William H. French
Third Corps Major General Samuel P. Heintzelman (to 10/30)
Brigadier General George Stoneman
1st Division Brig. Gen. George Stoneman (^ 10/20)
Brig. Gen. David Birney
2nd Division Brig. Gen. Daniel Sickles
Fifth Corps Major General Fitz John Porter
1st Division Brig. Gen. George W. Morrell (to 10/30)
Brig. Gen. Charles Griffin
2nd Division Brig. Gen. George Sykes
3rd Division Brig. Gen. Andrew A. Humphreys
Sixth Corps Major General William B. Franklin
1st Division Brig. Gen. Hennry W. Slocum (to 10/15)
Brig. Gen.John Newton (10/15 – 10/18)
Brig. Gen.W. T. H. Brooks
2nd Division Brig. Gen. William F. Smith
3rd Division Brig. Gen. Darius N. Couch (to 10/18)
Brig. Gen. John Newton
Ninth Corps Brigadier General Jacob D. Cox (to 10/18)
Brigadier General Orlando D. Wilcox
1st Division Brig. Gen. Orlando Wilcox (^ 10/18)
Colonel William F. Fenton (10/18 – 10/24)
Colonel Daniel Leasure
2nd Division Brig. Gen. Samuel D. Sturgis 
3rd Division Major Gen. John G. Parke
Brig. Gen. George W. Getty
Kanawha Division Colonel Eliakim Scammon returned to West Virginia
Eleventh Corps Major General Franz Sigel
1st Division Bde. Gen. Julius H. Stahel
2nd Division Bde. Gen. Adolph Von Steinwehr
3rd Division Brig. Gen. Carl Schurz
Twelfth Corps
Brigadier General Alpheus S. Williams (to 10/20)
Major General Henry W. Slocum
1st Division Brig. Gen. George Gordon (to 10/20)
Brig. Gen. Alpheus Williams
2nd Division Brig. Gen. George Greene (to 10/15)
Brig. Gen. John W. Geary
Cavalry Division  Brigadier General Alfred Pleasonton
1st Brigade Major C. Whiting
2nd Brigade Colonel John F. Farnsworth
3rd Brigade Colonel Richard H. Rush
4th Brigade Colonel A. T. McReynolds to Defences Upper Potomac
5th Brigade Colonel Benjamin F. Davis
Bayard’s Brigade Brig. Gen. George D. Bayard