Andrew Bacevich outlines the Petraeus Doctrine:

Simply put, an officer corps that a decade ago took its intellectual cues from General Colin Powell now increasingly identifies itself with the views of General Petraeus. In the 1990s, the Powell Doctrine, with its emphasis on overwhelming force, assumed that future American wars would be brief, decisive, and infrequent. According to the emerging Petraeus Doctrine, the Army (like it or not) is entering an era in which armed conflict will be protracted, ambiguous, and continuouswith the application of force becoming a lesser part of the soldier’s repertoire.

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