Expedition 56 prime crew members Alexander Gerst of ESA (European Space Agency), left, Serena Auñón-Chancellor of NASA, second from left, and Sergey Prokopyev of Roscosmos, third from left, pose for a picture with backup crew members Oleg Artemyev of Roscosmos, third from right, Anne McClain of NASA, second from right, and David Saint-Jacques of the Canadian Space Agency, right, pose for a picture following the conclusion of a press conference, Tuesday, June 5, 2018 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 56 Soyuz Commander Sergey Prokopyev of Roscosmos, flight engineer Serena Auñón-Chancellor of NASA, and flight engineer Alexander Gerst of ESA (European Space Agency) are scheduled to launch to the International Space Station aboard the Soyuz MS-09 spacecraft on Wednesday, June 6. Photo Credit: (NASA/Joel Kowsky)