OTD…May 11 and STS-125

#OTD in 1992…Atlantis launched to test the Tethered Satellite System

#OTD in 2012…California welcomes Endeavour back to birth state for retirement

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.