OTD…July 31 and STS-46

#OTD in 1991…Atlantis launched another of NASA’s Tracking and Data Relay Satellites

A mission to service the Hubble Space Telescope blasted off on this date in 2002.

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