William and Ethan explain the history and various missions of Interkosmos, the program that sent socialist cosmonauts from all over the world into space on Soviet ships. Outro: Sun Ra, "Interstellar Low Ways" Further Reading: Burgess, Colin & Bert Vis. Interkosmos: The Eastern Bloc's Early Space Program Caswell, Kurt. Laika's Window: The Legacy of a Soviet Space Dog. Petrov, G.I. (Ed.), Conquest of Outer Space in the USSR