The regiment was sent to Fort Monroe in Virginia, except for Company H, which was sent to Baltimore, Maryland. During the Suffolk Campaign, companies A, B, F, and G were sent to Suffolk and participated in the siege. During the Gettysburg Campaign, Company H was assigned to the Second Division of the Army of the Potomac's Cavalry Corps and was present at the Battle of Gettysburg on July 2 and 3 1863. It fought at the East Cavalry Battlefield on July 3. After the campaign, the company returned to Baltimore, where it remained for the remainder of the war.