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Science, Departure Preparations for Station Crew

Published by Klaus Schmidt on Sat Jun 23, 2012 8:09 am via: NASA
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Aboard the International Space Station Friday, Expedition 31 Flight Engineer Don Pettit worked with the Synchronized Position, Hold, Engage and Reorient Experimental Satellites, or SPHERES, experiment. SPHERES uses three bowling-ball-sized satellites to test techniques that could lead to advancements in automated dockings, satellite servicing, spacecraft assembly and emergency repairs.

Pettit and fellow Flight Engineer Andre Kuipers performed maintenance on the Waste and Hygiene Compartment. Pettit manually filled the Flush Water Tank, and Kuipers replaced the Urine Receptacle and the Insert Filter.

Kuipers and Commander Oleg Kononenko had some time set aside to prepare for their imminent departure from the station. The pair trained in Soyuz descent operations, and Kuipers prepacked some items for return to Earth. Along with Pettit, they are scheduled to undock from the station on July 1 aboard their Soyuz TMA-03M spacecraft, landing in Kazakhstan a few hours later.

Joe Acaba, also a flight engineer, took part in Crew Medical Officer proficiency training. He also inspected the Utility Outlet Panel in the Destiny laboratory for damage in an attempt to determine the source of a power circuit trip.

On the Russian side of the station, Flight Engineer Gennady Padalka worked with the Plasma Crystal experiment, an investigation of the behavior of plasma-dust structures in space.

Flight Engineer Sergei Revin worked with the experiment known as CASCADE, which investigates cultivation processes of micro-organism, animal and human cells in microgravity.

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