OTD…April 29 and STS-51B

Scott Carpenter launched atop an Atlas rocket to become the second American to orbit the Earth today in 1962, flying for 4 hours and 39 minutes aboard Aurora 7 while making three revolutions of the globe.

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

#OTD in 1994…Columbia launched on a Spacelab microgravity flight