Karol Joseph "Bo" Bobko is an American aerospace engineer, retired U.S. Air Force officer, test pilot, and a former USAF and NASA astronaut.
STS-6 was the maiden flight of the Space Shuttle Challenger. It deployed the first Tracking and Data Relay Satellite into orbit for NASA, forming an integral part of NASAs in-space 10. It was also the first Space Shuttle mission involving a spacewalk. It was the first mission in which the Extravehicular Mobility Unit (EMU) was used.Low Earth Orbit
STS-51-D was the sixteenth flight of the shuttle and fourth for the Space Shuttle Discovery. Its mission was to deploy a number of 10 satellites. The landing suffered extensive brake damaged and a ruptured tire. All subsequent landings had to be done at the Edwards Air Force Base until the development and implementation of nose steering.Low Earth Orbit
STS-51-J was the twenty-first space shuttle mission and the maiden flight of the Space Shuttle Atlantis. It was the second mission dedicated to deploying a Department of Defence payload. It was a classified mission however we do know that it deployed two 10 satellites.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.