this post was submitted on 25 May 2024

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Russian jamming leaves some high-tech U.S. weapons ineffective in Ukraine (www.washingtonpost.com)

submitted 5 months ago by yogthos@lemmy.ml to c/worldnews@lemmy.ml

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[–] adespoton@lemmy.ca 11 points 5 months ago (1 children)

We already knew that GPS could be tricked into location drift. I didn’t realize US munitions were depending solely on it for navigation still.

[–] Haquer@lemmy.today 3 points 5 months ago* (last edited 5 months ago)

Glancing through the munitions in the article, HIMARS were originally developed and deployed in the 90s, not sure if they have a backup to GPS.

Thr Excalibur system mentioned does have an inertial guidance system to fall back on but I would assume it would lose some precision that GPS would afford.