OTD…Sept. 20 and Endeavour retirement

NASA’s first space station — the Skylab orbital workshop — was launched atop a Saturn 5 rocket today, May 14, in 1973.

#OTD in 1994…Columbia launched on a Spacelab microgravity flight

#OTD in 1994, the launch of Columbia on the STS-62 microgravity research mission