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The S-550 was a proposed manned space capsule, designed in 2005-06 at Venturer Aerospace, in response to the NASA Commercial Orbital Transportation Services (COTS) program to provide commercial resupply and logistics support for the International Space Station after the retirement of the Space Shuttle.〔(Venturer Aerospace pursues NASA Commercial Orbital Transportation Services contract ), March 15, 2006〕〔 〕〔(Venturer Space COTS Proposal: The S-550 ) Jon Goff, 16 March 2006〕〔(Small steps forward for NewSpace ), Jeff Foust, The Space Review, Monday, April 24, 2006〕 It was an outgrowth of earlier Venturer Aerospace manned capsule research and development projects.〔(Getting There the Easy Way - Venturer Aerospace: Manned Spaceflight to Earth Orbit and Beyond ) presentation at Space Access 2005 conference, April 28, 2005〕 NASA did not select the design for further funded development,〔(Venturer Aerospace not selected for COTS, pursuing followup business ), May 10, 2006〕 and the company has not to date proceeded to develop the vehicle with private funding. Venturer Aerospace did not participate in the second COTS program round in 2007. == Description == The S-550 capsule was intended to carry up to six people (normally 2 or 3) and significant internal and external cargo on resupply missions to the International Space Station (ISS). Unlike the other COTS competitors, the S-550 capsule was explicitly a human-operated vehicle - while it had automated flight functions, it was intended to be flown with crews for any space station mission, using manned control for all rendezvous and dockings with ISS.〔 〕 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「S-550 (spacecraft)」の詳細全文を読む スポンサード リンク
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