OTD…April 28 and STS-39

#OTD in 1995, Endeavour launched on the ASTRO-2 astronomy mission:

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 2001…Atlantis launched the Quest airlock module to the International Space Station