OTD…April 12 and STS-1 and 51D

#OTD in 1992…Columbia launches on the first Extended Duration Orbiter mission

As a dress rehearsal mission for the moon landing, Apollo 10 launched today in 1969 with Cernan, Young and Stafford

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