Operation Silver (1949)
Operation Silver was a British intelligence operation in Allied-occupied Austria which ran from 1949 to 1955. It covertly tapped into the landline communications of the Soviet Army headquarters in Vienna.
Operation Silver was a British intelligence operation in Allied-occupied Austria which ran from 1949 to 1955. It covertly tapped into the landline communications of the Soviet Army headquarters in Vienna.
Operation Silver was a British intelligence operation in Allied-occupied Austria which ran from 1949 to 1955. It covertly tapped into the landline communications of the Soviet Army headquarters in Vienna.
Source: Wikipedia "Operation Silver (1949)" · CC BY-SA 4.0
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