EVA 4 activity on Flight Day 7 to service the Hubble Space Telescope

STS082-744-060 (11-21 Feb. 1997) --- Astronauts Joseph R. Tanner (left-with red and white stripes) and Gregory J. Harbaugh (partially obscured) team up to replace the Solar Drive Electronics (SADE) on the temporarily captured Hubble Space Telescope (HST) in the Space Shuttle Discovery's cargo bay. The Extravehicular Activity (EVA) took place on Flight Day 7, during the fourth of five total EVA's utilized to service HST.