USAF Security Service activities to detect and prevent intercept of classified or secret information from electromagnetic emana...
View of a TV screen image distorted by emanations from an electric razor held nearby A woman typing on a classified message teletype typewriter machine. Signals being detected on an oscilloscope screen. Closeup view of round head of typewriter applying type while typewriter is in use. View of woman typing a letter or memo on an early model electronic typewriter. Two Airmen walking toward the entrance of the Headquarters, United States Air Force Security Service. A Security Service van used to detect electromagnetic emanations capable of intercept. Air Force technicians charting such problems.
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