What's interesting about that system is the question of the motivation - it ensures a nuclear holocaust even in the event of a decapitation strike, but it also

What's interesting about that system is the question of the motivation - it ensures a nuclear holocaust even in the event of a decapitation strike, but it also was said that it could give 'command elements' time to consider to not retaliate in the event of false alarms etc. so that "cooler heads" might prevail. So it goes.