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Associated Press
Members of the next expedition to the International Space Station, U.S. astronaut Joseph Acaba, left, and Russian cosmonauts Genady Padalka, center, and Sergey Revin, right, stand together before their final preflight practical examination in a mock-up of a Soyuz TMA space craft at Russian Space Training Center in Star City outside Moscow, Russia, Tuesday, April 24, 2012. The three are the next crew scheduled to blast off to the International Space Station from Baikonur cosmodrom on a Russian made Souyz TMA-04M space craft on May 15. (AP Photo/Mikhail Metzel)

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