Sturgis' Command, Military District of Washington, to August 1862.
Miles' Command, Harpers Ferry, West Virginia, September, 1862.
Served duty at Camp Sigel, Winchester, until September 3.
Retreated to Newtown and Middleburg, then to Harpers Ferry, September 3–4.
The 7th Squadron, Rhode Island Cavalry mustered out September 26, 1862.