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
air collision
1966 Palomares B-52 crash
USS Notable (MSO-460)