OTD…Oct. 20 and STS-73

#OTD in 1998…The launch of Discovery on final shuttle-Mir docking mission

#OTD…Launch of Atlantis in 1989 to send the Magellan space probe to Venus

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.