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L/P ''Odyssey'' is a self-propelled semi-submersible mobile spacecraft launch platform converted from a mobile drilling rig in 1997. The vessel is currently used by Sea Launch for equatorial Pacific Ocean launches. She works in concert with the assembly and control ship ''Sea Launch Commander''. Her home port is the Port of Long Beach in the United States. In her current form, ''Odyssey'' is long and about wide, with an empty draft displacement of , and a submerged draft displacement of . The vessel has accommodations for 68 crew and launch system personnel, including living, dining, medical and recreation facilities. A large, environmentally-controlled hangar stores the rocket during transit and then rolls it out and erects it prior to fueling and launch. ==History== The platform was built in 1982 for Ocean Drilling & Exploration Company (ODECO) by Sumitomo Heavy Industries. It drilled its first exploratory hole about south of Yakutat for ARCO Alaska, Inc. The rig cost about to build during the early eighties oil "boom". During construction the vessel was called ''Ocean Ranger II'', and was renamed ''Ocean Odyssey'' after the ''Ocean Ranger'' capsized with all hands lost during a storm off Newfoundland on February 15, 1982. When built, ''Ocean Odyssey'' was classed +A1 +AMS by the American Bureau of Shipping for unrestricted worldwide ocean service. She was a long, wide, twin-hull design with a propulsion system. The rig's structure was designed to simultaneously withstand winds, waves, and a current. The derrick was fully enclosed with a heated drill floor permitting operations down to . The rig had other advanced extreme-condition features as well. For example, the rig's columns were strengthened to withstand some ice impact and the marine riser had a feature similar to a cow-catcher to keep floating ice off the marine riser that connected the rig to the well on the ocean bottom. 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「Odyssey (launch platform)」の詳細全文を読む スポンサード リンク
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