Expedition 31 commander Oleg Kononenko of Russia (top), Dutch astronaut Andrew Kuipers (center) and NASA astronaut Don Pettit bid farewell to their crewmates on the International Space Station just ... more 
Expedition 31 commander Oleg Kononenko of Russia (top), Dutch astronaut Andrew Kuipers (center) and NASA astronaut Don Pettit bid farewell to their crewmates on the International Space Station just before shutting the hatches between their Soyu less 
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SPACE.com | Photo By NASA
Sun, Jul 1, 2012 1:36 AM EDT