Stock Photo - At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, the prime and backup crews for Expedition 20 pose for pictures as part of their traditional flag-raising ceremony activities as preparations continue for launch May 27 on the Soyuz TMA-15 spacecraft to the International Space Station. Seen from left to right, Expedition 20 prime crew members Bob Thirsk of the Canadian Space Agency, Russian cosmonaut Roman Romanenko and Frank De Winne of the European Space Agency and their backups, Andre Kuipers of the European Space Agency, Russian cosmonaut Dmitry Kondratyev and Chris Hadfield of the Canadian Space Agency. Thirsk, Romanenko and De Winne will arrive on the station May 29 to form a six-person crew for the first time.