David Saint-Jacques of the Canadian Space Agency signs a wall photo depicting the statue of Yuri Gagarin during pre-launch activities.

AirshowAt the Baikonur Museum in Baikonur, Kazakhstan, Expedition 56 backup crewmember David Saint-Jacques of the Canadian Space Agency signs a wall photo May 21 depicting the statue of Yuri Gagarin, the first human to fly in space, during traditional pre-launch activities. Saint-Jacques is one of the backups to the prime crewmembers, Serena Aunon-Chancellor of NASA, Sergey Prokopyev of Roscosmos and Alexander Gerst of the European Space Agency, who 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.