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''Compass Island'' (EAG-153) was launched 24 October 1953 as ''Garden Mariner'' by the New York Shipbuilding Corporation, Camden, New Jersey and sponsored by Mrs. H. A. Smith. Acquired by the Navy 29 March 1956 and commissioned 3 December 1956, Commander J. A. Dare in command. ''Compass Island'' was one of two ships, the other being USS ''Observation Island'' (E-AG-154), converted and classified as navigational research test vessels under the Polaris Missile system budget. ''Compass Island's'' conversion was at an estimated cost of $19,600,000. The ship's mission was to assist in the development and evaluation of a navigation system independent of shore-based and celestial aids, a necessary adjunct of the ballistic missile program. She operated along the eastern seaboard testing equipment and training personnel until 13 March 1958 when she sailed from New York for experiments in the Mediterranean, returning to New York 17 April to resume her east coast operations. A dramatic example of her work was provided when USS ''Nautilus'' (SSN-571), using the Shipboard Inertial Navigation System (SINS) first tested by ''Compass Island'' in 1957, made a submerged cruise beneath the Arctic ice pack, touching exactly at the North Pole on 3 August 1958. The INS hardware was the N6A-1 built by North American Aviation, a naval modification of the N6A designed for the Navaho cruise missile. It had also been installed on the USS ''Skate'' (SSN-578), along with the ''Nautilus'', following successful sea trials on the ''Compass Island''.〔http://books.google.com/books?id=1T0NbffwteoC&pg=PA71#v=onepage&q&f=true〕 USS ''Skate'' reached the North Pole the week after ''Nautilus'', and in the following year became the first vessel to surface at the North Pole. On 10 September 1958, ''Compass Island'' entered New York Naval Shipyard for overhaul and installation of additional navigational equipment to be tested. With this new equipment, she continued her east coast and Caribbean cruising through 1960. In 2003, ''Compass Island'' and three other decommissioned US Navy ships, USS ''Caloosahatchee'' (AO-98), USS ''Canopus'' (AS-34), and USS ''Canisteo'' (AO-99), were towed to a dry dock site at Graythorp near the port city of Hartlepool in the United Kingdom to be scrapped, but UK environmentalists protested their arrival at Able UK, the salvage company. Work to dismantle a controversial fleet of former US warships was slated to begin in the summer of 2008, five years after the company originally won the scrapping contract. ==References== * * * * http://www.hartlepoolmail.co.uk/news/Dry-dock-for-ghost-ships.4352232.jp * ('Ghost Ships' Haunt a Fading Port ) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「USS Compass Island (AG-153)」の詳細全文を読む スポンサード リンク
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