冷战期间,威慑战略一直是美国军事战略的重点,也是美国国家安全战略的核心。冷战后,由于全球形势的变化,美国的军事战略明显地将重点放在了“预防性防务”上。但无论美国作出何种努力,总是无法制止新的“威胁”的形成。而新的“威胁”一旦出现,美国仍需采取威慑手段,扼制其发展成对美不利的武装冲突。例如1993年的“灵 During the Cold War, deterrence strategy has been the focus of the U.S. military strategy and the core of the U.S. national security strategy. After the Cold War, due to the changes in the global situation, the U.S. military strategy has obviously focused on “preventive defense.” However, no matter what efforts the United States makes, it is always impossible to stop the formation of a new “threat.” When a new “threat” appears, the United States still needs to take a deterrent measure to curb its development into a hostile conflict with the United States. For example, the 1993 "spirit