POLITICAL SCIENCE 13 HISTORY 12 Military Science 10 Military 9 TECHNOLOGY & ENGINEERING 9 Armed Forces 8 General 8 Public Policy 6 Law, Politics & Government 4 MEDICAL 4 Military & Naval Science 4 National security 4 Other 4 Political Freedom & Security 4 SOCIAL SCIENCE 4 Terrorism 4 Aide sociale 3 Bénéficiaires 3 Chemical Warfare Agents 3 Contagious 3 Diseases 3 Employment 3 Engineering & Applied Sciences 3 HEALTH & FITNESS 3 Infectious Diseases 3 Management 3 Military planning 3 Military policy 3 Persian Gulf Syndrome 3 Persian Gulf syndrome 3