Expedition 51 Flight Engineer Jack Fischer of NASA has his Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-04 spacecraft on Thursday, April 20, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13 p.m. April 20 Baikonur time, and will carry Fischer and crewmate Soyuz Commander Fyodor Yurchikhin of Roscosmos into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (GCTC/Andrey Shelepin)