The Powell doctrine stipulates that the US should use military force only when a vital national-security interest is at stake; the strategic objective is clear and attainable; the benefits are likely to outweigh the costs; adverse consequences can be limited; broad international and domestic support has been obtained; and a plausible exit strategy is in place.
La doctrine de Powell stipule que les États-Unis doivent employer la force militaire seulement quand un intérêt essentiel de sécurité nationale est en jeu. L'objectif stratégique est clair et accessible.