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At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 37/38 Flight Engineer Sergey Ryazanskiy signs in for a round of qualification exams Sept. 4 as he and his crewmates, Soyuz Commander Oleg Kotov and NASA Flight Engineer Michael Hopkins enter the final phase of their training. The trio is preparing for launch on Sept. 26, Kazakh time, from the Baikonur Cosmodrome in Kazakhstan on the Soyuz TMA-10M spacecraft for a 5 ½ month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 37/38 Flight Engineer Sergey Ryazanskiy signs in for a round of qualification exams Sept. 4 as he and his crewmates, Soyuz Commander Oleg Kotov and NASA Flight Engineer Michael Hopkins enter the final phase of their training. The trio is preparing for launch on Sept. 26, Kazakh time, from the Baikonur Cosmodrome in Kazakhstan on the Soyuz TMA-10M spacecraft for a 5 ½ month mission on the International Space Station. NASA/Stephanie Stoll