OTD…April 28 and STS-39

#OTD…Launch of Columbia in 1998 on the Neurolab Spacelab mission

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.

#OTD in 2001…Atlantis launched the Quest airlock module to the International Space Station