OTD…Oct. 23 and STS-120

#OTD in 1989…Columbia launched with a classified communications satellite for the Defense Department

The first crew to inhabit Skylab — Conrad, Weitz and Kerwin — launched today in 1973 for a 28-day mission that successfully made critical repairs, brought the station into operation and conducted solar astronomy, Earth resources and medical experiments.

25 years ago this afternoon, Hubble was deployed from shuttle Discovery