OTD…April 6 and STS-41C

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 2008, the launch of Endeavour on STS-123.

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.