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Timeline for answer to How to make nukes useless? by Willk

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Sep 16, 2019 at 5:14 comment added jwenting The USSR has recently started fielding a long range nuclear tipped "underwater missile" with a range of several hundred nautical miles. Effectively an underwater cruise missile with a nuclear warhead large enough to destroy a coastal city. Stopping it using a space based laser would be impossible. Even detecting it would be nearly impossible unless you were very near and caught its (masked) sonar signature. Weapons like this, and the new generations of hypersonic cruise missiles are going to be far greater threats soon than ICBMs and SLBMs.
Sep 13, 2019 at 22:41 comment added Willk @jdunlop - agreed re planes and artillery. The OP stated he was mostly concerned about ICBMS. Re other missiles - you could reasonably assert that 40 years of tech improvement allows 2023 satellites to see and react in a way not possible in 1983. That Iranian launch site Trump tweeted was pretty sharp and it is only 2019..
Sep 13, 2019 at 22:31 comment added jdunlop SDI isn't going to be effective against air- or sub-launched nuclear cruise missiles, nor against nuclear artillery, nor even against air-dropped bombs. So this takes ICBMs off the table, but not much else.
Sep 13, 2019 at 22:22 history answered Willk CC BY-SA 4.0