It's not hard to come up with scenarios where it happens. Here's a fairly realistic one, though this may not be the best of times to enjoy it: https://ken-foll

It's not hard to come up with scenarios where it happens. Here's a fairly realistic one, though this may not be the best of times to enjoy it: https://ken-follett.com/books/never/ https://ken-follett.com/books/never/ As for the tech, it's really not that advanced. V-2 rockets started raining down on London in 1944, Hiroshima and Nagasaki happened in 1945.