Operation Ivy Bells: The U.S. Top-Secret Program That Wiretapped a Soviet Undersea Cable

During the Cold War, the U. S. was desperate to learn about Soviet Intercontinental Ballistic Missiles and Russia's nuclear first strike capabilities. Then, in the early 1970s, the U. S. learned of the existence of an undersea communication cable that connected the Soviet Pacific Fleet naval base at Petropavlovsk to the fleet's mainland headquarters at Vladivostok

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