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Astronaut Dave Wolf (back to camera) calls on a crewmember from the Space Shuttle Endeavour and another from the International Space Station's current crew to complete final touches on his space suit. Astronaut Mike Barratt, Expedition 20 flight engineer, is at frame bottom, and astronaut Christopher Cassidy, STS-127 mission specialist, is near the top. Wolf was about to participate in the first of five overall sessions of extravehicular activity scheduled over the next several days.