Weapons systems Armed Forces 6 Military art and science 2 Nuclear weapons 2 Aeronautics, Military 1 Air power 1 Arms transfers 1 Automation 1 Communication systems 1 Computer software 1 Data processing 1 Defenses 1 Design and construction 1 Disarmament 1 Distributed processing 1 Electronic data processing 1 Handbooks, manuals, etc 1 History, Military 1 Human engineering 1 International relations 1 Logistics 1 Military policy 1 Nuclear disarmament 1 PLANET (Computer program) 1 Periodicals 1 Procurement 1 Research 1 Strategy 1 Tactical aviation 1 War 1