Various views of the STS-103 crew on the flight deck

STS103-334-020 (19-27 December 1999) ---.Astronaut Steven L. Smith, STS-103 payload commander, on Discovery's flight deck, leads the team of space walkers on NASA's third servicing mission to the Hubble Space Telescope (HST). Smith also participated in extravehicular activity (EVA) on the second HST servicing mission in 1997.