OTD…Jan. 13 and STS-54

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

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 1997…Discovery launched to deploy and later retrieve the CRISTA-SPAS atmospheric research satellite