White Malice: The CIA and the Covert Recolonization of Africa by Susan Williams
[PDF file]: […] general’s communications were accessed in real time in Washington, when he was on a flight in any part of the world, courtesy of the cipher CX-52 machine.2 Propaganda and covert influence operations formed a thick web, 2 Nick Must commented: The CX-52 was an early product of Crypto AG, the Swiss cryptological machine manufacturer […]