Stock Photo - After suiting up, the STS-127 crew members exit the Operations and Checkout Building to board the Astrovan, which will take them to launch pad 39A for the launch of Space Shuttle Endeavour on the STS-127 mission. On the right (front to back) are astronauts Mark Polansky, commander; Tim Kopra, Tom Marshburn, and Dave Wolf, all mission specialists. On the left (front to back) are astronauts Doug Hurley, pilot; Canadian Space Agency's Julie Payette and Christopher Cassidy, both mission specialists. Kopra will join Expedition 20 in progress to serve as a flight engineer aboard the International Space Station. The mission will feature five spacewalks and the delivery of the Japanese Experiment Module's Exposed Facility and the Experiment Logistics Module-Exposed Section in the final of three flights dedicated to the assembly of the Japan Aerospace Exploration Agency's Kibo laboratory complex on the space station.