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Commanded by Brigadier General Philip St. George Cooke

First Brigade Colonel William H. Emory
5th United States Cavalry Regiment
6th United States Cavalry Regiment
6th Pennsylvania Cavalry Regiment Colonel Richard H. Rush
2nd Brigade Colonel George A.H. Blake
 1st United States Cavalry Regiment Lt. Colonel William N. Grier
 McClellan Dragoons (Illinois) to Army Headquarters
Unattached
Oneida New York Cavalry Captain Daniel P. Mann to Army Headquarters
4th Pennsylvania Cavalry Regiment Colonel David Campbell
2nd United States Cavalry Regiment to Provost Guard
4th United States Cavalry Regiment to Army Headquarters