Worlds of David Darling
Encyclopedia of Science
   
Home > Encyclopedia of Science

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