USS Bulwark (AMc-68)  USS "Bulwark" (AMc-68) was an "Accentor"-class coastal 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. "Bulwark" was laid down on 15 April 1941 at East Boothbay, Maine, by Hodgden Bros. & Goudy & Stevens; launched on 6 October 1941; sponsored by Miss Barbara Small; and placed in service at Boston, Massachusetts, on 5 February 1942, Ens. Lawrence Dana, USNR, in charge. Assigned to the section base at Boston, "Bulwark" spent her entire Navy career patrolling the waters of the 1st Naval District. She searched for submarines in coastal waters and for enemy offensive mines in those same areas. The warship also served as a training platform for minesweeping students based at Provincetown, Massachusetts. "Bulwark" was placed out of service at the Boston Naval Shipyard on 18 June 1946. Her name was struck from the Navy list on 3 July 1946, and she was sold to the city of Boston on 12 September 1946.