The Expedition 56 prime and backup crewmembers raise the flags of the U.S. Russia Germany and Kazakhstan May 21 in pre-launch ceremonies.

At their Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, the Expedition 56 prime and backup crewmembers raise the flags of the U.S., Russia, Germany and Kazakhstan May 21 in traditional pre-launch ceremonies. Serena Aunon-Chancellor of NASA, Sergey Prokopyev of Roscosmos and Alexander Gerst of the European Space Agency will launch June 6 on the Soyuz MS-09 spacecraft from Baikonur for a six-month mission on the International Space Station...NASA/Victor Zelentsov.