Space Shuttle Endeavour arrived at the International Space Station on 18 May 2011 at 12:14 CEST (10:14 GMT) after chasing it in space following launch two days earllier. The 12 astronauts are now working together. <br />The hatches between the Shuttle and the International Space Station (ISS) were opened at 13:38 CEST after leak tests. <br />ESA astronaut Roberto Vittori and his five crewmates floated into the Station at 14:36 CEST, where they were welcomed by the Expedition 27 crew, including another of ESA's Italian astronauts, Paolo Nespoli.
