From left: Kazakh cosmonaut Aidyn Aimbetov, Soyuz spacecraft commander Sergei Volkov and ESA astronaut Andreas Mogensen during their final Soyuz spacecraft exams at the Yuri Gagarin Cosmonaut Training Centre in Moscow, Russia, on 7 August 2015.
The trio will leave Earth for the International Space Station on 2 September for a ten-day mission.