U.S. Army

Department of West Virginia

Major General David Hunter (to 8/8)

Brevet Major General George Crook

First Infantry Division

Brig. Gen. Joseph Thoburn

First Brigade

Colonel George D. Wells

Second Brigade

Colonel William G. Ely

Third Brigade

Colonel J.M. Campbell

Colonel Thomas M. Harrris

Second Infantry Division

Colonel Issac H. Duval

First Brigade

Colonel Rutherford B. Hayes

Second Brigade

Colonel Daniel D. Jonhson

First Cavalry Division

Brigadier General A.N. Duffie

First Brigade

Colonel R.F. Taylor

Colonel W.B. Tibbetts

Second Brigade

Colonel A. J. Greenfield (to 8/15)

Colonel R.F. Taylor (to 8/22)

Major Timothy Quinn (to 8/29)

Colonel J.E. Wynkoop

Second Cavalry Division

Brigadier General W.W. Averill

First Brigade

Colonel J.M. Schoonmaker

Second Brigade

Colonel W.H. Powell

Reserve Division Harpers Ferry

Brig. Gen. Albion Howe (to 8/6)

Brig. Gen. Max Weber (8/6-8/15)

Brig. Gen. J.D. Stevenson

Monocacy to Sleepy Hollow

Brig. Gen. Max Weber (from 8/15)

West of Sleepy Hollow

Brigadier General B.F. Kelly