alt Hacker News> Presumably-squared there is some kind of military backup to survive once the lights (GPS) go dark?
... Star navigation, INS, magnetic navigation...
But nothing like we have today.
> Presumably-squared there is some kind of military backup to survive once the lights (GPS) go dark?
... Star navigation, INS, magnetic navigation...
But nothing like we have today.
And conventional recon folks on the ground with target-illuminating lasers..?