The Soyuz TMA-15 crew, (left to right) Canadian Space Agency astronaut Robert Thirsk, Russian cosmonaut Roman Romanenko and ESA astronaut Frank De Winne, leave the Cosmonaut Hotel at Baikonur Cosmodrome on 27 May 2009. They are scheduled to launch to the International Space Station at 12:34 CEST. Their arrival at the ISS on 29 May 2009 will increase the size of the Station's permanent crew to six for the first time.