https://www.reuters.com/world/europe/putin-sends-off-frigate-armed-with-new-hypersonic-cruise-missile-2023-01-04/
These Nuclear Missiles can penetrate the US Missle Defense System. They travel at 9 times the speed of sound, 6930 MPH, + or -, depending on temperature and humidity.
Nuclear war would profoundly impact all life on Mother Earth, but most of humanity seems to be in a "drugged sleep" of materialism or trying to survive in a world of growing extremes of wealth and poverty!