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Re:US Navy collisions stoke cyber threat concerns by dbenjamin on Tuesday August 22, 2017 @01:19AM (#15069906)
This has existed for quite a while. The SR-71 (introduced in 1966) had an astro-inertial navigation system that tracked stars to reduce error in a standard INS.

Using spectrum filters, was able to track stars day and night (and I imagine potentially in bad weather).

https://timeandnavigation.si.edu/multimedia-asset/nortronics...

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