The 1st U.S.V.I. was recruited at Point Lookout prison camp between January 21 and April 22, 1864, as a three-year regiment. Assigned to the District of Eastern Virginia, Department of Virginia and North Carolina, it moved to Norfolk, Virginia, where on orders of General Grant it was relegated to provost duty there, Portsmouth, Virginia, and Elizabeth City, North Carolina. In August 1864 Grant ordered it to the Department of the Northwest in Milwaukee, Wisconsin.
https://en.wikipedia.org/wiki/Galvanized_Yankees

……………

James W. Jewell, Private, Company I, 1st Regiment U. S. Volunteer Infantry, enlisted May 28,1864 at Pt. Lookout, Md. for 3 years, credited to Boston, Mass., 3rd Congressional District, mustered in June 6, 1864 at Norfolk, Va., 19 year old Farmer, born in Page., Virginia, brown eyes, dark hair, fair complexion, 5’ 9”, present at the June 30, 1864 muster, deserted July 30, 1864 in Elizabeth City, Paspertank County, N. C., due U. S. for Springfield musket and set of accouterments complete, haversack, canteen and 60 rounds of ammunition, $28.48, no further records

Compiled Service Records of Former Confederate Soldiers who Served in the 1st Through 6th U.S. Volunteer Infantry Regiments, 1864-1866.