Expedition 40 Flight Engineer Alexander Gerst of the European Space Agency, ESA, is seen as he prepares to board the Soyuz TMA-13M spacecraft after waving farewell to those gathered on the pad on Wednesday, May 28, 2014 at the Baikonur Cosmodrome in Kazakhstan. Suraev, Gerst, and Wiseman will spend the next six months aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)