Expedition 54 flight engineer Scott Tingle of NASA, top, flight engineer Norishige Kanai of Japan Aerospace Exploration Agency (JAXA), middle, and Soyuz Commander Anton Shkaplerov of Roscosmos, bottom, wave farewell prior to boarding the Soyuz MS-07 rocket for launch, Sunday, Dec. 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Tingle, Norishige Kanai, and Shkaplerov will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)