Expedition 40/41 prime crew members

At the Gagarin Cosmonaut Training Center in Star City, Russia, on 6 May 2014, Expedition 40/41 prime crew members Alexander Gerst of the European Space Agency (left), Soyuz Commander Maxim Suraev of the Russian Federal Space Agency (Roscosmos, center) and Reid Wiseman of NASA share a light moment with reporters as they prepare for the first of two days of final qualification exams.

The trio is in the homestretch of training for launch May 29, Kazakh time, from the Baikonur Cosmodrome in Kazakhstan on the Soyuz TMA-13M spacecraft to spend 5 ½ months on the International Space Station.