Stock Photo - Cosmonaut Sergei K. Krikalev, Expedition 11 commander representing Russia's Federal Space Agency, dons his Russian Sokol spacesuit prior to his launch aboard the Soyuz TMA-6 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a two-day trip to the International Space Station (ISS). The launch occurred at daybreak on April 15, 2005 (Kazakhstan time). Krikalev and astronaut John L. Phillips, NASA ISS science officer and flight engineer, will spend six months on the Station, replacing Expedition 10 Commander Leroy Chiao and Flight Engineer Salizhan Sharipov, while European Space Agency (ESA) astronaut Roberto Vittori of Italy will spend eight days on the ISS under a commercial contract between ESA and the Russian Federal Space Agency, returning to Earth with Chiao and Sharipov on April 25.