This is called our "Extended Deterrence". We also had nukes in South Korea for some time. Some of our NATO allies of course have their own weapons (UK, France).

This is called our "Extended Deterrence". We also had nukes in South Korea for some time. Some of our NATO allies of course have their own weapons (UK, France). https://en.wikipedia.org/wiki/South_Korea_and_weapons_of_mass_destruction https://en.wikipedia.org/wiki/South_Korea_and_weapons_of_mas... EDIT: An interesting point about the history of extended deterrence is that the US put nukes in Turkey and that precipitated the Cuban Missile crisis as the Soviets felt they needed parity. Turkey is in the same ballpark range from Moscow as Cuba is from Washington D.C. This history is not often told to make it seem as though Washington was responding to some kind of unprovoked aggression. https://www.theatlantic.com/magazine/archive/2013/01/the-real-cuban-missile-crisis/309190/ https://www.theatlantic.com/magazine/archive/2013/01/the-rea...