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Watch Sworn to Secrecy: Secrets of War Season 5 Episode 2 Online
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- COUNTRIES: United States of America,South Korea,United Kingdom,France,Germany,Russia,Vietnam
- Subtitles: English
The all-important race to develop an atomic bomb led to some of the most daring Russian spy operations in the United States. Exclusive interviews with Russian agents detail the inside story of the Soviet atomic spy ring.
