Matryoshka Dolls depicting Expedition 53 Commander Randy Bresnik of NASA, left, Sergey Ryazanskiy of the Russian space agency Roscosmos, center, and Flight Engineers Paolo Nespoli of ESA (European Space Agency) are seen at a Karaganda Airport welcome ceremony in Kazakhstan on Thursday, Dec. 14, 2017. 2017. Bresnik, Nespoli and Ryazanskiy are returning after 139 days in space where they served as members of the Expedition 52 and 53 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)