OTD…April 24 and the birth of Hubble

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.

#OTD in 2001…Discovery launched on an International Space Station crew exchange mission

#OTD in 1995…Discovery launched a Tracking and Data Relay satellite