The MX division was manning those fronts, so to speak. That's US warfighting doctrine... we can fight up to two wars with conventional units, and as many others as are necessary with nuclear ones. That's why China, for all its bluster, did not take advantage of our commitment in Iraq to conquer Taiwan, because they know we would be forced into a nuclear response.
In other words we are stronger when we are weaker, because then we will be forced to use nuclear. No thanks.