AirshowIn the Korolev Museum signs a flag bearing the insignia of the Soyuz MS-09 mission assists.

AirshowIn the Korolev Museum at the Baikonur Cosmodrome in Kazakhstan, Expedition 56 crewmember Serena Aunon-Chancellor of NASA (left) signs a flag bearing the insignia of the Soyuz MS-09 mission May 31 as crewmate Sergey Prokopyev of Roscosmos (right) assists. Aunon-Chancellor, Prokopyev and Alexander Gerst of the European Space Agency will launch June 6 in the Soyuz MS-09 spacecraft for a six-month mission on the International Space Station. ..NASA/Victor Zelentsov.