The Portland spy ring, believed to have helped the Soviet Union build a new class of submarines in the 1960s, marked a turning point in Cold War espionage in Britain, say historians.from Top World News- News18.com https://ift.tt/2mjmml6
The Portland spy ring, believed to have helped the Soviet Union build a new class of submarines in the 1960s, marked a turning point in Cold War espionage in Britain, say historians.from Top World News- News18.com https://ift.tt/2mjmml6
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