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I think a lot of military craft do. I know for certain a lot of jets do, and I think tanks do as well. Unsure outside of that.

It's also being used in aerospace & naval navigation. Interestingly, the more advanced systems use fibre-optic gyroscopes, see https://en.wikipedia.org/wiki/Fibre-optic_gyroscope.

Northtrop Grumman manufactures those, for example.