. "10.9728"^^ . . . . . . "16"^^ . . . "74"^^ . . . "1952-08-29"^^ . . . . "52.4256"^^ . . . . "Desert Storm: The war with Iraq"@en . . . "1954-07-15"^^ . "52425.6"^^ . . . . . . . "Scrapped, 4 December 2000" . . . . . . . . . . "USS Impervious (AM-449)"@en . "United States"@en . . . . . . . . . "one 40 mm mount"@en . . . . . . . . "--02-07"^^ . . . . . . . "620"^^ . "1991-12-12"^^ . "MSO449"@en . . . . . "1951-11-18"^^ . . . . . . . . . . . "1093449090"^^ . . . . . . . . . . . . . . "Four Packard ID1700 diesel engines, two shafts, two controllable pitch propellers"@en . . "1992-03-18"^^ . "1952-08-29"^^ . . . "NVR - MSO-449"@en . . . "USS Impervious (AM-449/MSO-449) was an Agile-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. Impervious was launched by Martinolich Shipbuilding Co., San Diego, California, 29 August 1952; sponsored by Miss Mary Lin Moore; and commissioned 15 July 1954."@en . "USS Impervious (AM-449/MSO-449) was an Agile-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. Impervious was launched by Martinolich Shipbuilding Co., San Diego, California, 29 August 1952; sponsored by Miss Mary Lin Moore; and commissioned 15 July 1954."@en . "1954-07-15"^^ . "1951-11-18"^^ . . . . "13422614"^^ . . . "13035"^^ . . . . . . "--12-04"^^ . . "1991-12-12"^^ . . . . . . . . .