STS-28 - Swissartex

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. STS-28 was also Columbia's first flight since January 1986, when it had flown STS-61-C, the mission directly preceding the Challenger disaster of STS-51-L. The mission details of STS-28 are classified, but the payload is widely believed to have been the first SDS-2 communications satellite. The altitude of the mission is classified, but must have been between 220 kilometers (140 mi) and 380 kilometers (240 mi), based on the distance traveled and the number of orbits.

Dark background, thick lettering.

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This STS-28 patch was manufactured by Swissartex Emblem Inc. & has a shiny vacuum sealed backing. Later modern versions of this patch have a shiny plastic coated backing & were manufactured by Eagle Crest Emblem Inc. in Taiwan.