OTD…June 25 and STS-50

Studying the atmosphere as part of NASA’s Mission to Planet Earth was the objective of shuttle Atlantis’ STS-45 mission in March 1992.

#OTD in 1991…Atlantis launched another of NASA’s Tracking and Data Relay Satellites

#OTD in 1985…Atlantis launched on her maiden voyage as a new orbiter joined the shuttle fleet