War is both an arbiter of military institutions and the strongest harbinger of change. More than three years into the war on terror, some of our crucial national security institutions have been found wanting. The U.S. national defense community continues to fundamentally underestimate the scale and persistence of the threat to the nation. Without a full grasp of the opponent and an overarching framework for meeting the threat, little progress can be made on reframing an outdated security architecture.

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