I'm a little concerned about the purple one over the USA in September of 1976. The only countries to test in September were Russia, with a 160 kilaton explosion and China with an atmospheric explosion.

I'm a little concerned about the purple one over the USA in September of 1976. The only countries to test in September were Russia, with a 160 kilaton explosion and China with an atmospheric explosion.

I felt like that was a radioactive super cloud forming over Nevada, but not to sure.