Military counterintelligence of the Soviet Army

Military counterintelligence of the Armed Forces of the Union of Soviet Socialist Republics, throughout all its history was controlled by the nonmilitary structure. Part of Soviet secret police (Cheka, GPU, NKVD, ...) departments (names vary over the time).

The counterintelligence departments of the Armed Forces of the USSR known as Special Departments (Особый отдел) (third departments, third sections) existed at all larger military formations.

Exempli gratia; The staff of a Special Department of a regiment was generally known, it controlled a secret network of informants among soldiers, military unit civil workers.

TGU (ТГУ КГБ СССР) functionaries were responsible for protection of the military units, important soldiers e.g. commanding officers against activities from military attaché offices diplomats.

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