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S128-E-007543 (4 Sept. 2009) --- Astronaut John "Danny" Olivas, STS-128 mission specialist, is pictured at the controls on the aft flight deck of the Space Shuttle Discovery while it is docked with the International Space Station. Olivas is scheduled to participate in the third and final STS-128 spacewalk on Sept. 5. He also took part in the first two sessions of extravehicular activity to perform work on the orbital outpost.
