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STS107-402-012
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STS107-402-012

August 6, 2011
Astronaut Laurel B. Clark, STS-107 mission specialist, conducts checks of the Yeast Cell Stress Under Microgravity (YSTRES) experiment in the Biopack glovebox on the middeck of the Space Shuttle Columbia. EDITOR'S NOTE: On February 1, 2003, the seven crewmembers were lost with the Space Shuttle Columbia over North Texas. This picture was on a roll of unprocessed film later recovered by searchers from the debris.