MILITARY RECONNAISSANCE & SURVEILLANCE
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    SIGINT (signals intelligence) satellites

    Reconnaissance (spy) satellites that intercept communications, radar, and other forms of electromagnetic transmissions. ELINT (electronic intelligence) and COMINT (communications intelligence) satellites are sub-categories.


    Chronology of American SIGINT satellites
      1st generation
    1960s
    2nd generation
    1970s
    3rd generation
    1980s
    4th generation
    1990s
    5th generation
    2000+
    GEO-USAF COMINT   Canyon Chalet/Vortex Mercury-ELINT  
    GEO-CIA ELINT   Rhyolite/Aquacade Magnum/Orion Mentor Intruder
    HEO-USAF ELINT     Jumpseat Trumpet Prowler
    LEO-USAF ELINT Ferret Subsats Subsats   SB-WASS
    LEO-Navy ELINT GRAB NOSS NOSS SB-WASS  



    Related category

       • MILITARY RECONNAISSANCE AND SURVEILLANCE



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