Armed Forces 80 Evaluation 55 Medical care 42 Military policy 39 Prevention 35 National security 32 Terrorism 32 more ... Politics and government 29 Foreign relations 26 Government policy 26 Economic aspects 24 Procurement 23 Military planning 21 Costs 19 Economic conditions 19 Mathematical models 19 Personnel management 19 International relations 18 Management 18 Decision making 16 Finance 16 Research 16 Education 15 Military art and science 15 POLITICAL SCIENCE 15 Defenses 14 Forecasting 14 History 14 Law and legislation 14 Appropriations and expenditures 13 less ...