Foreign instrumentation signals intelligence. Examples of FISINT include signals sent by foreign entities when testing and deploying aerospace, surface, and sub-surface systems. FISINT is a subset of ELINT, or electronic intelligence.
| Intelligence Encyclopedia: FISINT |
Foreign instrumentation signals intelligence. Examples of FISINT include signals sent by foreign entities when testing and deploying aerospace, surface, and sub-surface systems. FISINT is a subset of ELINT, or electronic intelligence.
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| Wikipedia: FISINT |
FISINT stands for Foreign Instrumentation Signals INTelligence. (JCS Pub 1-02)[1] defines it as "Technical information and intelligence derived from the intercept of foreign electromagnetic emissions associated with the testing and operational deployment of non-US aerospace, surface, and subsurface systems." Since it deals with signals that are not exchanged by humans, it is a subset of ELINT, which, in turn, is a subset of SIGINT.
Typical examples of such communication include:
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| TELINT (intelligence) | |
| ELINT (intelligence) | |
| SIGINT (Signals Intelligence) (intelligence) |
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