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United States Army > Army of the Potomac
Commanded by Major General William B. Franklin
| First Division | Brigadier General Henry Slocum (to 10/15) Brigadier General John Newton (10/15 – 10/18) Brigadier General W. T. H. Brooks |
|
| First Brigade | Colonel Alfred T. A. Torbert | |
| Second Brigade | Brigadier General Joseph J. Bartlet | |
| Third Brigade | Colonel R. Matthewson Colonel E. H. Stoughton |
|
| Second Division | Brigadier General W. F. Smith | |
| First Brigade | Brig. Gen. Calvin E. Pratt | |
| Second Brigade | Brig. Gen. William T. H. Brooks (to 10/18) Colonel H. Whiting |
|
| Third Brigade | Brig. Gen. Francis L. Vinton | |
| Third Division | Major General Darius Couch (to 10/18) Brigadier General John Newton |
|
| First Brigade | Brig. Gen. Charles Devens Jr. | redesignated 2 Brig. |
| Second Brigade | Brig. Gen. Albion P. Howe | redesignated 3 Brig. |
| Third Brigade | Brig. Gen. John Cochrane | redesignated 1 Brig. |