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STS073-143-026
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STS073-143-026

June 1, 2011
Astronaut Kathryn C. Thornton, payload commander for the United States Microgravity Laboratory (USML-2), explores the inner workings of the Drop Physics Module (DPM). Thornton was joined by four other NASA astronauts and two guest researchers for almost 16 days of research aboard the Space Shuttle Columbia in Earth-orbit.


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