OTD…Oct. 3 and STS-51J

Today in 1969, the launch of Apollo 9 and the first manned flight of all lunar hardware in Earth orbit.

#OTD in 1999…Columbia launched with the first woman commander and the Chandra X-ray Observatory

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