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June 6, 2011
Astronaut Michael L. Gernhardt, mission specialist, performs an observation at the Expedite Processing of Experiments to Space Station (EXPRESS) rack in the Spacelab Science Module aboard the Earth-orbiting Space Shuttle Columbia. The EXPRESS rack accommodates experiments compatible with the Shuttle mid deck, since the mid deck will be used to ferry payloads to the International Space Station (ISS). The Microgravity Sciences Laboratory (MSL-1) mission provides an opportunity to test and demonstrate this Space Station hardware. Shown here in the rack is the Astro/Plant Generic Bioprocessing Apparatus, used for studying the adaptation of higher plant systems to space flight.

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