AirshowPausing Expedition 56 crewmembers prepare to lay flowers where Russian space icons are interred.

AirshowPausing for a reflective moment at the Kremlin Wall at Red Square in Moscow May 14, Expedition 56 crewmembers Serena Aunon-Chancellor of NASA (left), Sergey Prokopyev of Roscosmos (center) and Alexander Gerst of the European Space Agency (right) prepare to lay flowers where Russian space icons are interred. They will launch June 6 from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-09 spacecraft for a six month mission on the International Space Station...NASA/Elizabeth Weissinger.