radar intelligence collection
81Dead drop — spike A dead drop or dead letter box is a method of espionage tradecraft used to pass items between two individuals by using a secret location and thus does not require them to meet directly. Using a dead drop permits a Case Officer and his Agent …
82Concealment device — Concealment devices or diversion safes are used to hide things for the purpose of secrecy or security. They are made from an ordinary household object such as a book, a soda can, a candle, a can, or something as small as a coin. The idea is that… …
83One-way voice link — A one way voice link (OWVL) is a shortwave radio communication method used by spy networks to communicate with agents in the field. This system often employs recorders to transmit pre recorded messages in real time or in burst transmissions,… …
84Official cover — is a term used in espionage to refer to operatives who assume positions in organizations with diplomatic ties to the government for which they work. Official cover operatives are granted a set of governmental protections, and if caught in the act …
85Cut-out (espionage) — In espionage parlance, a cutout is a mutually trusted intermediary, method or channel of communication, facilitating the exchange of information between agents. Cutouts usually only know the source and destination of the information to be… …
86Countersurveillance — refers to measures undertaken to prevent surveillance, including covert surveillance. Countersurveillance may include electronic methods such as bug sweeping, the process of detecting surveillance devices, including covert listening devices and… …
87USS Liberty incident — Coordinates: 31°23′N 33°23′E / 31.39°N 33.38°E / 31.39; 33.38 …
88Battle of Khe Sanh — For the song by Cold Chisel, see Khe Sanh (song). Battle of Khe Sanh Part of the Vietnam War …
89Davis–Monthan Air Force Base — Part of Air Combat Command (ACC) Located near: Tucson, AZ …
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