OTD…April 25 and the Hubble deploy

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

#OTD in 1992…Discovery launched with the first International Microgravity Laboratory.

Apollo 16 launched to the Descartes Highlands of the moon on this day in 1972 with John Young, Charlie Duke and Ken Mattingly.