OTD…Oct. 22 and STS-52

#OTD in 2007…The launch of Atlantis with a power truss for International Space Station

#OTD in 1999…Columbia launched with the first woman commander and the Chandra X-ray Observatory

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