Crowds watching Apollo-Soyuz mission launch, 1975
Crowds watching the launch of the Apollo spacecraft for the Apollo-Soyuz Test Project (ASTP), the first international space mission, on 15th July 1975. The mission saw the Apollo spacecraft dock with a Soviet Soyuz spacecraft in orbit, and was known as the "Handshake in Space". It was aimed at being a detente during the Cold War and Space Race, and paved the way for future collaborations.