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Watch Sworn to Secrecy: Secrets of War Season 5 Episode 3 Online
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- COUNTRIES: United States of America,South Korea,United Kingdom,France,Germany,Russia,Vietnam
- Subtitles: English
How close did the Superpowers actually come to a nuclear holocaust? New information on brutal power struggles behind the Iron Curtain, the Cuban missile crisis and the terrifying "Doomsday Machine" built to end the world.
