Margaret Rhea Seddon is a physician and retired NASA astronaut. After being selected as part of the first group of astronauts to include women, she flew on three Space Shuttle flights: as mission specialist for STS-51-D and STS-40, and as payload commander for STS-58. Both before and after her career in the astronaut program, she has been active in the medical community in Tennessee, Mississippi and Texas.
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-40 was the eleventh launch of Columbia and carried the Spacelab module for Spacelab Life Sciences 1 (SLS-1), the fifth Spacelab mission and the first dedicated to biology. It was also the first mission to carry three women crew members.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.