STS082-752-020 (11-21 Feb. 1997) --- Astronaut Mark C. Lee, standing on the end of the Remote Manipulator System (RMS), works at the data interface unit on the Hubble Space Telescope (HST), temporarily captured in the cargo bay of the Earth-orbiting the Space Shuttle Discovery. This third space walk or Extravehicular Activity (EVA) of the mission took place on Flight Day 6, with astronauts Lee, payload commander, and Steven L. Smith, mission specialist, serving as the suited EVA participants.