Hermes was designed to provide Europe with independent crewed access to space. What happened to it?

Interkosmos was a Soviet program that flew cosmonauts from other countries into space. Let's learn about its missions!

In the early 1960s, the US Air Force proposed Blue Gemini as a way to train military astronauts using NASA missions. What became of it?

In the early 1970s, NASA had plans for an international joint space station, a crew rescue mission, and a reboost mission. What became of them?