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    SR-71 Astroinertial Navigation System
    From: Sean C
    Date: 2021 Aug 9, 08:36 -0700

    This article from The Aviation Geek Club appeared on Google News today.

    https://theaviationgeekclub.com/the-sr-71-astroinertial-navigation-system-aka-r2-d2-was-crucial-in-blackbird-mission-heres-why/

    Regards,

    Sean C.

       
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