Defenses National security -- 15 Military policy 11 Armed Forces 8 Foreign relations -- 7 Strategic aspects 5 Foreign relations 4 more ... Politics and government -- 4 World politics -- 4 Armed Forces -- 3 Armed forces 3 Arms control -- 3 Arms control 2 History -- 2 Military relations -- 2 Prevention -- 2 Security, International 2 Southeast Asia -- 2 Terrorism -- 2 Weapons of mass destruction 2 Air power -- 1 Appropriations and expenditures 1 Asia, Southeastern -- 1 Asymmetric warfare -- 1 Civil defense -- 1 Conflict management -- 1 Defenses -- 1 Deterrence (Strategy) 1 Economic aspects 1 Economic conditions - 1989- 1 less ...