CIA Builds Underground Communication Network (Season 1) | Secrets Declassified with David Duchovny

Описание: In 1954 Berlin, the CIA creates a vast network of underground tunnels to find out secret information. See more in this clip from Season 1, Episode 3, "Extreme Missions."

Watch new episodes of Secrets Declassified with David Duchovny Fridays at 10/9c; and stay up to date on all of your favorite The HISTORY Channel shows at history.com/schedule.

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From black ops and bizarre experiments to deadly cover-ups and nefarious gadgets, David Duchovny pulls the curtain back on all the government secrets in modern history we always suspected, but were never given the answers to. Through the strange and shocking things countries the world over - and those who work for them - have done in the name of national interest, we'll investigate the explosive evidence from newly declassified files that will finally shine a new light on what's really going on deep in the shadows.

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CIA Builds Underground Communication Network (Season 1) | Secrets Declassified with David Duchovny
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