USS Vigor (AM-473/MSO-473) was an Aggressive-class minesweeper acquired by the U.S. Navy for the dangerous task of removing mines from minefields laid in the water to prevent ships from passing. Vigor was laid down on 16 June 1952 at Manitowoc, Wisconsin, by the Burger Boat Co.; launched on 23 June 1953, sponsored by Mrs. Charles C. Kerwin; and commissioned at the Boston Naval Shipyard on 8 November 1954, Lt. Walter W. Schwartz in command.