OTD…Aug. 18 and STS-68 abort

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 1989, Discovery launched a new Tracking and Data Relay Satellite

#OTD in 1993…Endeavour launched with the first Spacehab module and retrieval of the European EURECA satellite