OTD…Sept. 19 and Endeavour retirement

#OTD in 1998…The launch of Discovery on final shuttle-Mir docking mission

American and Soviet crews were launched today in 1975 for the first handshakes in space between the two superpowers as part of the Apollo-Soyuz Test Project.

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