Mark Polansky enjoyed a successful 14-year career as an Air Force fighter pilot before joining NASA as an aerospace engineer and research pilot in 1992. Selected as an astronaut candidate in April 1996, he has since flown three space shuttle missions to the International Space Station, piloting the space shuttle Atlantis in February 2001 (STS-98), and serving as commander aboard Discovery in December 2006 (STS-116), and Endeavour in July 2009 (STS-127).

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