On this date…Crew launched to fix Skylab

#OTD in 2007…NASA’s Dawn probe launched to explore the uncharted worlds of Vesta and Ceres in the heart of the asteroid belt.

#OTD in 1985…Challenger suffered an engine shutdown on her way to orbit for a Spacelab mission

#OTD in 2002…Atlantis launched the outward expansion of the space station’s truss backbone