USS Liberator (AMc-87)
 USS Liberator (AMc-87) 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.Liberator was laid down 5 May 1941 by F. L. Fulton Works Antioch California; launched 6 September 1941; sponsored by Miss Pay Hill; and placed in service 22 February 1942 Lt. (jg.) James. W.