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Space Shuttle Discovery's final Commander, Steve Lindsey speaks with the media about his feelings as he watches the spacecraft he orbited the planet 536 times (total orbits between STS-95, STS-121, and STS-133) with take on a new role as an educator as the centerpiece in the Smithsonian's Institute. © Mike Lynaugh

Space Shuttle Discovery's final Commander, Steve Lindsey speaks with the media about his feelings as he watches the spacecraft he orbited the planet 536 times (total orbits between STS-95, STS-121, and STS-133) with take on a new role as an educator as the centerpiece in the Smithsonian's Institute.

© Mike Lynaugh