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November 11, 2011
Astronauts Dave Wolf (right) and Tim Kopra (center) are suited and just about ready to exit the International Space Station's Quest airlock to begin the first of five scheduled spacewalks over the next several days. Astronaut Christopher Cassidy, foreground, assists Kopra with his backpack. When Wolf, Cassidy and five other astronauts return to Earth in the Space Shuttle Endeavour, Kopra will stay behind to serve a tour of duty on the orbital outpost.