- Cygnus spacecraft
The Cygnus spacecraft are
unmanned resupply spacecraft being developed byOrbital Sciences Corporation as part ofNASA 's COTS project. They are designed to transport supplies to theInternational Space Station (ISS) after the retirement of theSpace Shuttle . The selection of Cygnus for COTS was announced on19 February 2008 . [http://www.nasaspaceflight.com/content/?cid=5361 NASASpaceflight.com - Orbital beat a dozen competitors to win NASA COTS contract] ]The Cygnus spacecraft is designed to carry a variety of pressurized and unpressurized cargo modules including a shortened version of the Italian-built
Multi-Purpose Logistics Module and a variant of NASA'sExPRESS Logistics Carrier . TheCanadarm 2 robotic arm of the ISS will grapple the spacecraft and attach it to aCommon Berthing Mechanism . [ [http://www.aviationweek.com/aw/generic/story_channel.jsp?channel=space&id=news/Tauras022008.xml AviationWeek.com - Orbital Sciences To Build Taurus II] ]The first Cygnus demonstration flight is expected in late 2010, launched by a
Taurus II rocket. Since August 2000 unmanned ISS resupply missions have been regularly flown byRussia nProgress spacecraft , and by one flight of a EuropeanAutomated Transfer Vehicle .See also
References
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