Security personnel are seen outside of Building 112 prior to the Soyuz rocket being rolled out by train to the launch pad, Monday, June 4, 2018 at the Baikonur Cosmodrome in 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 aboard their Soyuz MS-09 spacecraft at 7:12 a.m. Eastern time (5:12 p.m. Baikonur time), on Wednesday, June 6. Photo Credit: (NASA/Joel Kowsky)