Expedition Karen Nyberg flash a thumbs up sign as they conduct another round of qualification exams.

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 36/37 Flight Engineer Karen Nyberg of NASA (left), Soyuz Commander Fyodor Yurchikhin (center) and Flight Engineer Luca Parmitano of the European Space Agency (right) flash a thumbs up sign May 6 as they conduct another round of qualification exams. The three crewmembers are set to launch from the Baikonur Cosmodrome in Kazakhstan in their Soyuz TMA-09M spacecraft on May 29, Kazakh time, for a five-month mission on the International Space Station.
NASA/Stephanie Stoll