Despite Russian hints about the use of nuclear weapons in the war in Ukraine, consider it strange amid other world-endangering possibilities how little attention nuclear destruction gets anymore. And thats despite the fact that there are now nine (yes, nine!) nuclear powers on this planet, ranging from the United States, Russia, and China to Israel and North Korea. Still, at some point in your life, youve probably heard about the theory of nuclear deterrence embraced by so many in our military and those of other major powers globally. The idea is that nuclear weapons actually keep us all safe by their mere presence in the hands of those powers. According to such thinking, their existence restrains the leaders of such countries from directly making war on each other for fear of setting off a world-ending nuclear conflict. And in that context, yes, the U.S. military spends tens of billions of dollars annually on the upkeep of some 5,428 nuclear weapons of every sort and their delivery systems to keep us safe. Worse yet, it plans to invest upwards of two trillion dollars more modernizing that arsenal in the coming decades.
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