OTD…June 21 and STS-57

#OTD in 2000…Atlantis launched on a mission to make the International Space Station a home in orbit

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 1996…Columbia launched on a life sciences and microgravity flight.