At the Gagarin Cosmonaut Training Center in Star City Russia share a light moment at the start of their qualification exams.

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 42/43 Soyuz Commander Anton Shkaplerov of Roscosmos (left), Flight Engineer Terry Virts of NASA (center) and Flight Engineer Samantha Cristoforetti of the European Space Agency (right) share a light moment at the start of their qualification exams October 30. The trio is preparing for launch to the International Space Station from the Baikonur Cosmodrome in Kazakhstan on November 24, Kazakh time, in the Soyuz TMA-15M spacecraft to begin a five and a half month mission on the International Space Station. Photo credit: NASA/Stephanie Stoll