OTD…Oct. 15 and Cassini

OTD…Launch of Discovery in 1991 on a Defense Department research flight

The mighty Titan — a pillar in American rocketry for five decades — flew into orbit for the final time Wednesday, capping a distinguished career of heavy-lifting that has spanned the nation’s space age.

#OTD…America’s first shuttle launch in 1981 and another in 1985