Armed Forces 11 Military policy 8 United States 8 National security 7 Military art and science 6 Operational readiness 6 Procurement 6 Automation 5 China 5 Military planning 5 Congresses 4 Defenses 4 Forecasting 4 Urban warfare 4 Management 3 Military relations 3 North Atlantic Treaty Organization (NATO) 3 Strategic aspects 3 Supplies and stores 3 Weapons systems 3 World politics 3 Aerial reconnaissance 2 Asia 2 Case studies 2 Combined operations (military science) 2 Command and control systems 2 Costs 2 Defense industries 2 Design and construction 2 Deterrence (Strategy) 2