Jeffrey Williams Status: Active 1/18/1958 – Nationality: American Type: Government First Flight: 5/19/2000 Last Flight: 3/18/2016 Jeffrey Nels Williams is a retired United States Army officer and a NASA astronaut. He is a veteran of four space flights and formerly held the American record for most days spent in space, which was surpassed in April 2017 by his colleague Peggy Whitson. Launches Space Shuttle Atlantis / OV-104 | STS-101 Soyuz-FG | Soyuz TMA-8 Soyuz-FG | Soyuz TMA-16 Soyuz FG | Soyuz TMA-20M 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.