And they're are still important: the nuclear super-fuze, "boosting the overall killing power of existing US ballistic missile forces by a factor of roughly thre

And they're are still important: the nuclear super-fuze, "boosting the overall killing power of existing US ballistic missile forces by a factor of roughly three." https://thebulletin.org/2017/03/how-us-nuclear-force-modernization-is-undermining-strategic-stability-the-burst-height-compensating-super-fuze/ https://thebulletin.org/2017/03/how-us-nuclear-force-moderni...