Hacker News15h ago239 points113 commentslive
The top secret URSALA, RAQUEL, and FARRAH satellites (2025)
Declassified 'hitchhiker' satellites like URSALA, RAQUEL, and FARRAH were small, rapid-response ELINT platforms launched from 1963 to 1986, supporting military forces by collecting radar signals and geolocation data.
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