David Walker, born May 20, 1944 in Columbus, Georgia, is a veteran of four space shuttle flights.
His first flight was aboard Discovery (STS-51-A) as pilot in November 1984. The flight recovered two satellites.
His second flight was aboard Atlantis (STS-30) as commander in May 1989. The primary objective of the mission was to deploy the Magellan spacecraft to Venus.
His third flight was aboard Discovery (STS-53) as commander in December 1992. It was a mission dedicated to the US Department of Defense.
His fourth and final flight was aboard Endeavour (STS-69) as commander in September 1995. It was the second flight of the Wake Shield Facility.
He passed away from cancer in April 2001.
