Expedition 54 prime crew members flight engineer Norishige Kanai of Japan Aerospace Exploration Agency (JAXA), left, Soyuz Commander Anton Shkaplerov of Roscosmos, center, and flight engineer Scott Tingle of NASA, right, pose for a picture with backup crew members of NASA, right, Sergey Prokopev of Roscosmos, center, and Alex Gerst of ESA (European Space Agency), right after donning their Russian Sokol suits in preparation for launch to the International Space Station Sunday, Dec. 17, 2017 in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Tingle, Kanai, and Shkaplerov on a five month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)