Jean-Jacques Dordain, Director General of the European Space Agency, left, Oleg Ostapenko, General Director of the Russian Federal Space Agency, Roscosmos, center, and William Gerstenmaier, NASA Associate Administrator for Human Exploration and Operations, right, are seen during a joint statement after the docking of the Soyuz TMA-13M spacecraft with the International Space Station on Thursday, May 29, 2014 at the Baikonur Hotel in Baikonur, Kazakhstan. The three spoke on the importance of international cooperation in human spaceflight. Photo Credit: (NASA/Joel Kowsky)