Defenses National security Military policy 49 Military readiness 27 Armed Forces 26 Appropriations and expenditures 16 Terrorism 14 more ... Operational readiness 12 Prevention 12 Strategic aspects 12 Foreign relations 11 Government policy 10 Military planning 10 Forecasting 9 Planning 8 Civil defense 7 Economic aspects 7 History 7 Influence 7 Law and legislation 7 Politics and government 7 Ballistic missile defenses 6 September 11 Terrorist Attacks, 2001 6 Strategic aspects of individual places 6 World politics 6 Decision making 5 Economic conditions 5 Emergency management 5 International cooperation 4 International relations 4 less ...