The Pentagon ended this abject nonsense.
But it appears you’re one who supports it?
If you think the "threat" of nuclear war is the impediment, you're just teaching the Russians to threaten it more often, which will in fact increase the chances of one occurring.
The proper response to Russian mouthings about nuclear war is publication of our target list and a free copy of Dr. Strangelove, with a reminder that for us it's a comedy.