Submarine chaser SC 200 was built at General Shipbuilding in Alexandria, VA, and was commissioned on 17 April, 1918 in Norfolk, VA. This chaser was assigned to the Fifth Naval District (Norfolk.)
See also the U.S. Naval Academy's model of SC 200.
Photo: "Alongside USS Powhatan (ID # 3013) at Charleston, South Carolina, 1919." NH 106352, Archives Branch, Naval History and Heritage Command