NASA, ESA, Roscosmos, and Russian Search and Recovery Forces arrive in Zhezkazgan, Kazakhstan in advance of the landing of Expedition 57 crew members Serena Auñón-Chancellor of NASA, Alexander Gerst of ESA (European Space Agency), and Sergey Prokopyev of Roscosmos. Wednesday, Dec. 19, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)