Assigned to Major General Warren's Fifth Corps, they played a conspicuous part in the campaigns of the East as part of the Army of the Potomac, enduring the actions of Bethesda Church, the Assult on Petersburg, Weldon Railroad, Poplar Spring Church, Hatcher's Run, Hicksford's Raid, Siege of Petersburg, 2nd Hatcher's Run, White Oak Road, Five Forks, and the Appomattox Surrender. They were mustered out 8/21/65 at Hart's Island, Long Island Sound, between Long Island and the Bronx.