Alexander Gerst, German crew member of the International Space Station (ISS) waves on the gangway of an emergency plane of Germany's automobile club ADAC at Cologne-Bonn airport November 10, 2014. Veteran Russian cosmonaut Maxim Suraev and two International Space Station crewmates, NASA's Reid Wiseman from the United States and Gerst from Germany, returned safely to Earth on Monday with a parachute landing of their Soyuz capsule in Kazakhstan, ending 5-1/2 months in orbit. REUTERS/Wolfgang Rattay (GERMANY - Tags: SCIENCE TECHNOLOGY)