When in doubt, don’t

The key concept embodied in the Essentials of Post-Cold War Deterrence is the idea that it rests on an American commitment to inflict an unspecified but devastating response upon any nation or group that attacks it. In order to prevent any adversary from legalistically parsing a pre-announced set of conditions under which the United States would retaliate, all the terms were left intentionally vague so that only American national command authority could say with certainty what would happen next.