Tags: Artificialsatellite, Satellite.
STS-28 was the 30th NASA Space Shuttle mission the fourth shuttle mission dedicated to United States Department of Defense purposes and the eighth flight of Space Shuttle Columbia. The mission launched on 8 August 1989 and traveled 2.1 million miles during 81 orbits of the Earth before landing on runway 17 of Edwards Air Force Base California on 13 August.