Mary Louise Cleave is an American engineer and a former NASA astronaut. She also served from 2004 to 2007 as NASA Associate Administrator for the Science Mission Directorate.
STS-61-B was the twenty-third space shuttle mission and the second for the Space Shuttle Atlantis. The shuttle was launched for Kennedy Space Center and the shuttle deployed three communicates satellites. It also tested techniques for constructing structures in orbit. This mission marked the quickest turnaround of a shuttle, just 54 days elapsed beetween this launch and Atlantis' previous mission.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.