OTD…April 24 and the birth of Hubble

#OTD in 1985…Discovery launched on the first classified space shuttle mission for the Department of Defense. Watch the liftoff:

#OTD in 1997…Discovery launched to deploy and later retrieve the CRISTA-SPAS atmospheric research satellite

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