I do not think that is correct. For example, Excalibur [1] relies on GPS and proved to be quite inefficient in Ukraine. Russia figured out how to jam them in a

I do not think that is correct. For example, Excalibur [1] relies on GPS and proved to be quite inefficient in Ukraine. Russia figured out how to jam them in a few months. [1] https://en.wikipedia.org/wiki/M982_Excalibur https://en.wikipedia.org/wiki/M982_Excalibur