Imagining the Future

An unidentified illustration of NASA's space shuttle. The space shuttle fleet flew 135 missions and helped construct the International Space Station between the first launch on April 12, 1981 and the final landing on July 21, 2011. There were five orbiters: Columbia, Challenger, Discovery, Atlantis and Endeavour. via NASA https://ift.tt/KoUgcXD An unidentified illustration of NASA's space shuttle. The space shuttle fleet flew 135 missions and helped construct the International Space Station between the first launch on April 12, 1981 and the final landing on July 21, 2011. There were five orbiters: Columbia, Challenger, Discovery, Atlantis and Endeavour.