JSC2014-E-042124 (8 May 2014) —At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 40/41 backup crew member Terry Virts of NASA (front row, left) signs a ceremonial book at the Gagarin Museum May 8 as his crewmates, backup Soyuz Commander Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos, front row, center) and Samantha Cristoforetti of the European Space Agency (front row, right) look on. In the back row from left to right are the prime crew members, Alexander Gerst of the European Space Agency, Maxim Suraev of Roscosmos and Reid Wiseman of NASA, who are preparing for launch May 29, Kazakh time, in the Soyuz TMA-13M spacecraft from the Baikonur Cosmodrome in Kazakhstan for a 5 ½ month mission on the International Space Station. Photo credit: NASA