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STS-121 Webcast
 
Hosted by Discovery Flow Manager Stephanie Stilson, this webcast takes the viewer behind the scenes as NASA prepares for a space shuttle mission to the International Space Station. NASA astronaut William Oefelein explains the STS-121 mission and payloads -- and the fascinating world of astronaut training.

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Stephanie Stilson, Discovery Flow Manager
 Host: Stephanie Stilson
Discovery Flow Manager

William Oefelein, NASA Astronaut
William Oefelein
NASA Astronaut

 
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