David Mathieson "Dave" Walker was an American naval officer and aviator, fighter pilot, test pilot, and a former NASA astronaut. He flew aboard four Space Shuttle missions in the 1980s and 1990s.
STS-51-A was the fourteenth flight of the Space Shuttle program and second flight for the Space Shuttle Discovery. The mission lasted 8 days and deployed a number of 10 satellites.Low Earth Orbit
STS-30 was the twenty-ninth space shuttle mission and the fourth of Atlantis. It was the first mission since the challenger disaster to have a female astronaut on board. It deployed the Venus-bound Magellan probe into orbit.Low Earth Orbit
STS-53 was a Space Shuttle Discovery mission in support of the United States Department of Defense. The mission was launched on 2 December 1992 from Kennedy Space Center, Florida.Low Earth Orbit
STS-69 was a Space Shuttle Endeavour mission, and the second flight of the Wake Shield Facility (WSF). The mission launched from Kennedy Space Center, Florida on 7 September 1995. It was the 100th successful manned NASA spaceflight, not including X-15 flights.Low Earth Orbit
The National Aeronautics and Space Administration is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research. NASA have many launch facilities but most are inactive. The most commonly used pad will be LC-39B at Kennedy Space Center in Florida.