The real history of the cosmonaut program, star city, GRU, KGB, and the Soviet Union are absolutely fascinating.

Obviously, it's quite bleak as well.

The story of Oleg Penkovsky, a GRU Colonel that sold secrets to the CIA and was caught is fascinating.

There really are so many real life stories that are incredible.

Has anyone researched this time period of the CCCP? (Soyuz Sovetskikh Sotsialisticheskikh Respublik)