Expedition 56 Soyuz Commander Sergey Prokopyev of Roscosmos, left, and flight engineer Alexander Gerst of ESA (European Space Agency) are seen during 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)