Another great story of the ingeniousness of Soviet eavesdropping is "The Thing," which operated for 7 years or so and had no power supply. Also known as "The G

Another great story of the ingeniousness of Soviet eavesdropping is "The Thing," which operated for 7 years or so and had no power supply. Also known as "The Great Seal Bug." https://www.cryptomuseum.com/covert/bugs/thing/index.htm https://www.cryptomuseum.com/covert/bugs/thing/index.htm