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Astronaut Norm Thagard mw 082303.jpg
Scientist and former NASA astronaut Dr. Norm Thagard at the Challenger Learning Center in Tallahassee August 23, 2003.

Scientist and former NASA astronaut Dr. Norm Thagard at the Challenger Learning Center in Tallahassee August 23, 2003.

Copyright ©2009 Mark Wallheiser