Armed Forces 36 Organization 9 Defenses 6 North Atlantic Treaty Organization 6 History 5 Military art and science 3 Military policy 3 Air forces 2 Central Europe 2 Civil defense 2 Equipment and supplies 2 Insignia 2 Management 2 Military uniforms 2 National security 2 North Atlantic treaty organization 2 Reorganization 2 Security, International 2 Terrorism 2 Warsaw Treaty Organization 2 Warsaw treaty organization 2 World War, 1939-1945 2 20th century 1 Appropriations and expenditures 1 Armed Forces and mass media 1 Armed Forces--Serbia and Montenegro 1 Armed forces 1 Authorship 1 Bombing, Aerial 1 Campaigns 1