Knowing where the other powers' silos and possibly subs are is better than worrying about it. Having them know that you know means it's not worth it for them to

Knowing where the other powers' silos and possibly subs are is better than worrying about it. Having them know that you know means it's not worth it for them to press the big red button. Military intelligence supports the Mutually Assured Destruction doctrine, which is what's keeping us all alive.