On This Date…March 15 and STS-119

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 1983…Challenger launched with America’s first woman astronaut. Watch the launch:

#OTD in 2012…Crowds cheer as Endeavour traverses though Los Angeles