S134-E-007114 (18 May 2011) --- STS-134 and Expedition 27 crew members are pictured in the Harmony node of the International Space Station shortly after space shuttle Endeavour and the space station docked in space and the hatches were opened. Pictured from the left are European Space Agency astronaut Roberto Vittori, STS-134 mission specialist; NASA astronaut Mark Kelly, STS-134 commander; and Russian cosmonaut Dmitry Kondratyev, Expedition 27 commander. Photo credit: NASA