It only threatens them because it will be located right next door to them in countries that they once controlled and influenced. In military terms the ABM shield doesn’t mean a thing to them. The ABM shield can’t effect the Russian nuclear arsenal. In a conflict the ABM shield can be easily taken out by conventional methods. It doesn’t require any specific type of missiles. All it will mean is that the Poles and Czechs will have missle resources allocated and pre-targeted on them.
True.