USS Notable ( MSO - 460 ) USS " Notable " ( AM - 460 / MSO - 460 ) was an " Aggressive " - class minesweeper acquired by the U . S . Navy for the task of removing mines that had been placed in the water to prevent the safe passage of ships . The second " Notable " ( " MSO - 460 " ) was laid down 8 June 1953 by Higgins , Inc . , New Orleans , Louisiana ; launched 15 October 1954 sponsored by Mrs . deLesseps G . Morrison , wife of the Mayor of New Orleans ; and commissioned 8 June 1955 , Lt . John E . Murdock in command . East Coast operations . Following shakedown out of Charleston , South Carolina , " Notable " served as training ship for the Navy School of Mine Warfare , Norfolk , Virginia . Returning to Charleston 18 November 1955 , the mine sweeper operated with the U . S . 2nd Fleet in the Western Atlantic Ocean for the next two years , and then , on 9 January 1958 , deployed to the Mediterranean for a six months cruise with the U . S . 6th Fleet , returning 23 June . Temporarily assigned to the Loran " B " Experimental Development Force in October and November 1958 , " Notable " operated off the U . S . East Coast until 18 September 1959 when she entered Norfolk Navy Yard for overhaul . North Atlantic operations . Engaging in Atlantic Ocean amphibious exercises in early 1960 , and her second six months deployment to the Mediterranean , the ship departed Charleston in January 1961 for minesweeping exercises and a Caribbean cruise . Calling at ports in the Virgin Islands and the British West Indies , " Notable " sailed to Cape Canaveral , Florida , in April to assist Project Mercury Forces in the launching of America ' s first man in space , Lt . Comdr . Alan B . Shepard , USN . For the remainder of the year , the minesweeper operated off Florida , overhauling at Jacksonville , Florida , from July to October and deploying 6 January 1962 for another Caribbean cruise . She returned to Charleston 1 May , and operated off the Atlantic coast patrolling during the Cuban Missile Crisis in November 1962 . On 17 September 1963 " Notable " , in company with other ships of Mine Division 85 departed Charleston for the Mediterranean . Caribbean and Mediterranean operations . The minesweeper returned to Charleston 1 March 1964 and on completion of overhaul commenced training operations with various mine warfare units . She deployed to the Caribbean 11 September to 6 December , and after operations off the U . S . East Coast , departed Charleston 24 January 1966 for her fourth Mediterranean deployment . Arriving Rota , Spain , 21 February , the ship was immediately ordered to participate in the search for a nuclear bomb lost in an air collision off Palomares . The minesweeper remained on this duty until salvage was completed 30 March . She then made goodwill visits to ports in Italy and France , and participated in intensive amphibious training until returning to Charleston 14 July . Later operations . " Notable " sailed 19 September for extensive minesweeping exercises off New England . This operation was immediately followed by a cruise to Puerto Rico where she joined other U . S . 2nd Fleet ships in " Operation LantFlex66 " , a full - scale mock invasion of Vieques Island . The minesweeper returned to Charleston 15 December and operated out of there for the next year . Decommissioning . " Notable " was decommissioned ( date unknown ) and was stricken from the Navy List 1 February 1971 . She was sold for scrap in 1971 .