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    Trevorgoodchild (trevorgoodchild@mastodon.social)'s status on Tuesday, 19-Nov-2024 00:07:37 JSTTrevorgoodchildTrevorgoodchild
    in reply to
    • Prof. Sam Lawler

    @sundogplanets there is an NRO spy satellite called Lacrosse that has a “disappearing” trick that it uses to avoid detection presumably for re-tasking and changes in orbit or something. This is probably why they’re concerned about it. We can assume these techniques (and maybe newer techniques in development) are not always public. The fact they are even concerned lets us infer they probably know more about this than than they let on. https://en.wikipedia.org/wiki/Lacrosse_(satellite)?wprov=sfti1

    In conversationTuesday, 19-Nov-2024 00:07:37 JST from mastodon.socialpermalink

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      Lacrosse (satellite)
      Lacrosse or Onyx was a series of terrestrial radar imaging reconnaissance satellites operated by the United States National Reconnaissance Office (NRO). While not officially confirmed by the NRO or the Government of the United States prior to 2008, there was widespread evidence pointing to its existence, including one NASA website. In July 2008, the NRO itself declassified the existence of its synthetic aperture radar (SAR) satellite constellation. According to former Director of Central Intelligence Admiral Stansfield Turner, Lacrosse had its origins in 1980 when a dispute between the Central Intelligence Agency and the U.S. Air Force as to whether a combined optical/radar reconnaissance satellite (the CIA proposal) or a radar-only one (the USAF proposal) should be developed was resolved in favor of the USAF. Lacrosse uses synthetic aperture radar as its prime imaging instrument. It is able to see through cloud cover and also has some ability to penetrate soil, though there have been more powerful instruments deployed in space for this specific purpose. Early versions are believed to have used the Tracking and Data Relay Satellite System (TDRSS) to...
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