Portal:Mars/Selected article/October 2008
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Orion is a spacecraft design currently under development by NASA, the space agency of the United States. Each Orion spacecraft will carry a crew of four to six astronauts, and will be launched by the Ares I, a launch vehicle also currently under development. Both Orion and Ares I are elements of NASA's Project Constellation, which plans to send human explorers back to the Moon by 2020, and then onward to Mars and other destinations in the solar system. On August 31, 2006, NASA awarded Lockheed Martin (LM) the contract to design, develop, and build Orion. Orion will launch from Launch Complex 39 at Kennedy Space Center, the same launch complex that currently launches the Space Shuttle. NASA will use Orion spacecraft for its human spaceflight missions after the last Shuttle orbiter is retired in 2010. The first Orion flight is scheduled at the end of 2014 or beginning of 2015 with future flights to the Station. If commercial orbital transportation services are unavailable, Orion will handle logistic flights to the International Space Station. After that Orion is to become a key component of human missions to the Moon and Mars.