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ISS021-E-031717 (23 Nov. 2009) --- Astronaut Robert L. Satcher Jr., STS-129 mission specialist, participates in the mission's third and final session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the five-hour, 42-minute spacewalk, Satcher and astronaut Randy Bresnik (out of frame), mission specialist, removed a pair of micrometeoroid and orbital debris shields from the Quest airlock and strapped them to the External Stowage Platform #2, then moved an articulating foot restraint to the airlock, and released a bolt on a star…