On This Date…March 13 and STS-29

#OTD…The first launch of Challenger in 1983 and Columbia’s shortened Spacelab mission in 1997

#OTD in 1990…Columbia launched to retrieve NASA’s Long duration Exposure Facility (LDEF) on the longest Shuttle flight to date.

#OTD in 1995, Endeavour launched on the ASTRO-2 astronomy mission: