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June 15, 2011
Astronaut Steven L. Smith, payload commander, prepares to use a 35mm camera during the final space walk of the STS-103 mission. Smith is standing on a foot restraint connected to the end of Discovery's remote manipulator system (RMS) robot arm. Astronaut John M. Grunsfeld, mission specialist, translates along a handrail system on the Hubble Space Telescope (HST) in the background.