Space ShuttleSpace Shuttle Endeavour is launched on the 127th shuttle flight, a 16-day mission to the International Space Station to complete the Japanese-built Kibo laboratory facility. The installation of the final Kibo module requires five lengthy spacewalks. Aboard Endeavour for her 23rd flight are Commander Mark Polansky, Pilot Doug Hurley, and mission specialists Christopher Cassidy, Tom Marshburn, Dave Wolf, Julie Payette and Tim Kopra; Kopra remains on the station, with Japanese astronaut Koichi Wakata returning to Earth on the shuttle.