STS109-E-5234 (4 March 2002) --- Astronauts John M. Grunsfeld (left), payload commander, and Richard M. (Rick) Linnehan, mission specialist, are just moments away from going from a crowded situation into a more spacious venue as they prepare to egress the airlock of the Space Shuttle Columbia for the first of their assigned STS-109 space walks to perform work on the Hubble Space Telescope (HST).The two went on to replace the giant telescopes starboard solar array during a space walk that ended at 7:38 a.m. (CST) or 13:38 GMT March 4, 2002.