Astronaut Richard M. Linnehan

Astronaut Richard M. (Rick) Linnehan, mission specialist, waves to crewmates inside the Space Shuttle Columbia's crew cabin as he participates in one of his assigned STS-109 spacewalks to service the Hubble Space Telescope (HST). Astronauts Linnehan and John M. Grunsfeld, payload commander, went on to replace the giant telescope’s starboard solar array in a seven-hour spacewalk on March 4, 2002.