OTD…Oct. 23 and STS-120

#OTD in 1990…Columbia launched to retrieve NASA’s Long duration Exposure Facility (LDEF) on the longest Shuttle flight to date.

#OTD in 1990…Discovery launched the Ulysses probe bound for the sun

#OTD in 1997…Atlantis launched on the seventh joint docking mission with Russia’s space station Mir