These Secret Cold War Radio Stations Are Still Broadcasting
In the early days of espionage, long before the advent of burner phones, satcoms, and other modern-day spy gadgets, getting word to field agents — especially those working behind the Iron Curtain — proved a dangerous game with global consequences should the agent’s cover be blown. But that’s where number stations, and their uncrackable radio codes, come in.

November 3, 2014 at 06:44AM
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