Matryoshka Dolls depicting Flight Engineer Ricky Arnold of NASA, left, Flight Engineer and Soyuz Commander Oleg Artemyev of Roscosmos, center, and Expedition 56 Commander Drew Feustel of NASA are seen at a Karaganda Airport welcome ceremony in Kazakhstan on Thursday, Oct. 4, 2018. Feustel, Arnold, and Artemyev are returning after 197 days in space where they served as members of the Expedition 55 and 56 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)