National security -- 18 Military policy 8 World politics -- 4 Security, International 3 Armed forces 2 Defenses 2 Defenses -- 2 more ... Economic aspects 2 Foreign relations -- 2 Appropriations and expenditures 1 Civil defense -- 1 Constructing out -- 1 Cyberterrorism -- 1 Developing countries -- 1 Emergency management -- 1 Foeign relations -- 1 Foreign economic relations -- 1 Foreign relations 1 Foreign relations - -- 1 Government contractors -- 1 Government policy -- 1 History 1 Humanitarian intervention 1 Information Warfare -- 1 Information warfare -- 1 International cooperation 1 Intervention (International Law) 1 Military assistance, American 1 Military relations 1 Munitions -- 1 less ...