OTD…May 18 and launch of Apollo 10

#OTD in 1989…Atlantis launched the Galileo spacecraft to Jupiter and in 1993…Columbia launched on a life sciences Spacelab flight

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

#OTD in 2009…Endeavour launched to complete the Japanese segment of the International Space Station