Название: GCHQ: The Secret Wireless War, 1900–1986 Автор: Nigel West Издательство: Frontline Books ISBN: 1526755785 Год: 2020 Формат: EPUB Страниц: 272 Размер: 7,9 МБ Язык: Английский
Signal intelligence is the most secret, and most misunderstood, weapon in the modern espionage arsenal. As a reliable source of information, it is unequaled, which is why Government Communications Headquarters, almost universally known as GCHQ, is several times larger than the two smaller, but more familiar, organizations, MI5 and MI6. Because of its extreme sensitivity, and the ease with which its methods can be compromised, GCHQ’s activities remain cloaked in secrecy.
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GCHQ: The Secret Wireless War, 1900–1986 
