At the Gagarin Cosmonaut Training Center in Star City Russia report at the start of their final Soyuz qualification exams.

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 56 prime crew members Serena Aunon-Chancellor of NASA (left), Sergey Prokopyev of Roscosmos (center) and Alexander Gerst of the European Space Agency (right) report to Russian, American and European space officials May 10 at the start of their final Soyuz qualification exams. They will launch June 6 from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-09 spacecraft for a six-month mission on the International Space Station...NASA/Elizabeth Weissinger.