OTD…April 26 and STS-55

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

#OTD in 1985…Atlantis launched on her maiden voyage as a new orbiter joined the shuttle fleet

Neil Armstrong, Buzz Aldrin and Michael Collins launched today in 1969 aboard Apollo 11 for one of the defining moments of the 20th century — man’s first landing on the moon.