OTD…July 13 and STS-70

#OTD in 1992…Discovery launched with the first International Microgravity Laboratory.

NASA’s Kepler planet-finder began its mission to discover Earth-like worlds orbiting other stars in the galaxy today in 2009, successfully launching aboard a Delta 2 rocket from Cape Canaveral.

#OTD in 1983…Challenger launched with America’s first woman astronaut. Watch the launch: