Berlin Field Listening Station Certified SIGINT Signals Cold War NSA Army Challenge Coin Challenge Coin 999 Fine 1 troy ounce

999 Fine 1 troy ounce silver

MK-19 40mm HMGs (automatic grenade launchers)

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eliminating the last Taliban stronghold in central Helmand Province

Army Challenge Coin

Berlin Field Listening Station Certified SIGINT Signals Cold War NSA Army Challenge Coin Challenge Coin 999 Fine 1 troy ounceBerlin Field Listening Station Certified National Security Agency NSA SIGINT Cold War Spy Army Joint Challenge Coin Condition: Used, and in nice shape. Please see pictures. This coin is 1 3 4 inches in diameter. This coin was given to those operators certified in all SIGINT skills tasks required for Field Station Berlin, the coin was earned, Circa 1980s. Teufelsberg (helpinfo) (German for Devil's Mountain) is a man made hill in Berlin, Germany, in the