But honestly only about half as crazy as GPS would sound if you tried to put it in similar terms. And that's before considering the signal itself is way below the noise floor.
As much as I love these technical writeups, I wish more people who understand the slightly expanded bigger picture/ implications of the missile technologies would write what they know before the generation goes extinct.
There's so many dots that are easily connected from articles like these... but I suspect some level of classification prevents those in the know from being able to publish.
The bulletin of atomic scientists is the only non-fringe source that ever comes close. (Their article on the new generation of warhead fuses is a great resource for those wanting to go down the rabbit hole. Even it now seems to have been scrubbed from their site. [0])
[0] https://web.archive.org/web/20170307194641/https://thebullet...
Eta working bulletin link: [1]https://thebulletin.org/2017/03/how-us-nuclear-force-moderni...