OTD…June 25 and STS-50

Shuttle Endeavour launched for the 25th and final time on this date in 2011.

#OTD in 1985…Atlantis launched on her maiden voyage as a new orbiter joined the shuttle fleet

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.