OTD…June 25 and STS-50

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 1990…Discovery launched the Ulysses probe bound for the sun

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