Indeed, as the Soviet Union acquired vastly increased nuclear capabilities, the credibility and prudence of relying on massive retaliation gave way to our flexible response posture.

• 事实上，由于苏联已经拥有了大量增加的核能力，我们依靠大规模报复战略的可靠性和谨慎态度要让位于我们的灵活反应战略。