This Reproduction Patch represents the 20th Shuttle Mission (STS-51-I) launched in August 1985, by the crew of the shuttle Discovery. The flight lasted a total of 7 days, 2 hours, 18 minutes and 42 seconds, during which the shuttle completed 111 orbits of the Earth, in which they deployed three commercial satellites, repaired another, and completed two EVAs. This is a 4 inch patch, dressed up with silver and gold threads, still sealed the the original 1990's Spaceport USA packaging, direct from the Kennedy Space Center.