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The pale blue Earth serves as a backdrop for astronaut Michael Gernhardt, who is attached to the Shuttle Endeavour's robot arm during a spacewalk on the STS-69 mission in 1995.
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STS104-315-013 (12-24 July 2001) --- Holding onto the end effector of the Canadarm on the Space Shuttle Atlantis, astronaut Michael L. Gernhardt, STS-104 mission specialist, participates in one of three STS-104 space walks.
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An all-star gathering of legendary American astronauts appeared in Cleveland August 29, 2008 to celebrate NASA's 50th anniversary.
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First NASA Extreme Environment Mission Operations (NEEMO) expedition crew: From left to right, in front is Mike Lopez-Alegria and Bill Todd, in back is Mike Gernhardt and Dave Williams.
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