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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.