Space Shuttle Challenger / OV-099: STS-6
STS-6 was the maiden flight of the Space Shuttle Challenger. It deployed the first Tracking and Data Relay Satellite into orbit for NASA, forming an integral part of NASAs in-space 10. It was also the first Space Shuttle mission involving a spacewalk. It was the first mission in which the Extravehicular Mobility Unit (EMU) was used.

Mission Data
The launch vehicle successfully inserted its payload(s) into the target orbit(s).
About Space Shuttle
The Space Shuttle is a retired, partially reusable low Earth orbital spacecraft system operated from 1981 to 2011 by the U.S. National Aeronautics and Space Administration (NASA) as part of the Space Shuttle program. Its official program name was Space Transportation System (STS). Five complete Space Shuttle orbiter vehicles were built and flown on a total of 135 missions from 1981 to 2011.
Launch Site
Launch data from Launch Library 2 by The Space Devs.