Foreign relations 81 Diplomatic relations 80 National security 63 Armed Forces 43 Politics and government 40 Military policy 32 Military relations 29 Defenses 27 Security, International 24 Terrorism 12 Military planning 11 History 8 Nuclear arms control 8 Nuclear nonproliferation 8 Prevention 8 Foreign economic relations 7 Information technology 7 Information warfare 7 International economic relations 7 Nuclear weapons 7 Strategic aspects 7 Strategic aspects of individual places 7 Weapons of mass destruction 7 World politics 7 International relations 6 Military art and science 6 Political stability 6 Technological innovations 6 Civil-military relations 5 Command and control systems 5