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14/08/1969 American astronaut and chemist Tracy Caldwell Dyson is born


Astronaut: Space Walk - Tracy Caldwell Dyson Career Girls Role Model


Tracy Caldwell-Dyson


The Martian: Jessica Chastain & Tracy Caldwell Dyson Official Movie Interview


Tracy Caldwell Dyson Interview in Space

Tracy Caldwell Dyson is an American chemist and NASA astronaut. Caldwell Dyson was a Mission Specialist on Space Shuttle Endeavour flight STS-118. She was part of the Expedition 24 crew on the International Space Station. She has completed three spacewalks, logging more than 22 hrs of EVA including work to replace a malfunctioning coolant pump.
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