David M. Walker Status: Deceased 5/20/1944 – 4/23/2001 Nationality: American Type: Government First Flight: 11/8/1984 Last Flight: 9/7/1995 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. Launches Space Shuttle Discovery / OV-103 | STS-51-A Space Shuttle Atlantis / OV-104 | STS-30 Space Shuttle Discovery / OV-103 | STS-53 Space Shuttle Endeavour / OV-105 | STS-69 National Aeronautics and Space Administration Type: Government Abbreviation: NASA Administration: Administrator: Jim Bridenstine Founded: 1958 Launchers: Space Shuttle | SLS Spacecraft: Orion Country: USA 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.