English: Minesweeper Special Device USS Harry L. Glucksman (MSS-1) pierside at American Shipbuilding, Lorraine, Ohio, (USA), in April 1969.
The ship was laid down on 18 March 1944 as the Liberty ship SS Harry L. Glucksman (MC type EC2-S-C1) by the Southeastern Shipbuilding Corporation of Savannah, Georgia (USA). The ship was delivered to the Maritime Commission on 20 May 1944, she was operated under contract by a commercial steamship company for the duration of World War II. After the war she was returned to the Maritime Commission and laid-up in the National Defense Reserve Fleet. The ship was accepted by the Navy in June 1969 after conversion by American Shipbuilding of Lorraine, Ohio, to a "Special Device Minesweeper." The ship's hull was completely gutted and filled with 3965 cubic metres of styrofoam. A shock-hardened pilot house was also fitted. Intended to sweep influence mines by detonating them with pressure wave or magnetic signature generated by her hull. In late summer of 1969, the ship underwent extensive shock testing off Key West, Florida. Placed in service in June 1969, she was removed from service 15 March 1973 and returned to the Maritime Administration (MARAD) for disposal. The Harry L. Glucksman was scrapped in 1975 at Brownsville, Texas.