EVA-3 - Smith and Grunsfeld work with the HST

S103-E-5345 (24 December 1999) --- Astronaut Steven L. Smith, payload commander, takes a picture with 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.