National security -- War on Terrorism, 2001-2009 Terrorism -- 2 Afghan War, 2001- -- 1 Civil defense 1 Civil defense -- 1 Decision making 1 more ... Decision making. -- 1 Defenses 1 Foreign relations -- 1 Government policy -- 1 Harbors -- 1 Merchant marine -- 1 Military policy -- 1 Military relations -- 1 National security 1 Officials and employees 1 Politics and government -- 1 Prevention 1 Security measures 1 Security measures -- 1 less ...