Armed Forces 53 Reorganization 19 Military policy 10 Organization 9 History 8 Defenses 7 North Atlantic Treaty Organization 6 Military art and science 4 National security 3 Air forces 2 Appropriations and expenditures 2 Armed forces 2 Case studies 2 Central Europe 2 Civil defense 2 Civil-military relations 2 Dept. of Defense 2 Equipment and supplies 2 Insignia 2 Management 2 Military doctrine 2 Military uniforms 2 North Atlantic treaty organization 2 Security, International 2 Strategy 2 Terrorism 2 Warsaw Treaty Organization 2 Warsaw treaty organization 2 World War, 1939-1945 2 20th century 1