Expedition 40/41 prime crew during training

Russian cosmonaut Max Suraev (right), Reid Wiseman of NASA and Alexander Gerst of the European Space Agency (left) during training at the Gagarin Cosmonaut Training Center in Russia, on 28 August 2013.

Alexander Gerst is flight engineer for Expedition 40/41, which will be launched to the Station in May 2014 on a long-duration mission to run science experiments and maintain humankind’s space base.