OTD…July 26 and STS-114

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.

#OTD in 1995…Columbia launched on a microgravity science Spacelab flight

#OTD in 2009, shuttle Discovery delivers power payload to space station.