33 U.S. Army Command and General Staff College 32 United States. Joint Chiefs of Staff 31 United States. Department of Defense 30 Naval Postgraduate School (U.S.) 29 Naval War College (U.S.) 20 U.S. Army Research Laboratory 17 North Atlantic Treaty Organization 16 United States. Army 16 United States. Department of State 14 Air Force Institute of Technology (U.S.) 10 Army War College (U.S.) 8 United States. Department of the Army 7 North American Electric Reliability Corporation 6 United States. Central Intelligence Agency 4 Center for Naval Analyses 4 European Food Safety Authority 4 National Defense University 4 United States. Air Force 3 Army War College (U.S.). Center for Strategic Leadership and Development 3 Center for Army Analysis (U.S.) 3 Foreign Service Institute (U.S.) 3 U.S. Army Combined Arms Center 3 United States. Advanced Research Projects Agency 3 United States. Animal and Plant Health Inspection Service 3 United States. Department of Defense. Office of the Secretary of Defense 3 United States. Department of State. Office of the Historian 2 CNA Corporation 2 Canada. Department of National Defence 2 Carnegie Mellon University 2 Great Britain. Ministry of Defence 2 Hoover Institution Library & Archives 2 Mitre Corporation 2 National Intelligence Council (U.S.) 2 Sandia National Laboratories 2 United States. Army Training and Doctrine Command 2 United States. Department of the Air Force 2 United States. Department of the Navy 2 United States. Joint War Games Agency 1 Abt Associates 1 Air University (U.S.) 1 California. Department of Food and Agriculture 1 Canada 1 Center for a New American Security 1 Defence Academy of the United Kingdom 1 Defence Science and Technology Group (Australia) 1 Defence Science and Technology Organisation (Australia) 1 Defense Technical Information Center (U.S.) 1 European Central Bank 1 Germany. Bundestag 1 Great Britain. Royal Navy. Women's Royal Naval Service (1939-1993) 1 Great Britain. War Office 1 Great Britain 1 Hudson Institute 1 Joint Forces Staff College (U.S.) 1 Joint Military Intelligence College (U.S.) 1 NATO Defense College 1 National Archives (Great Britain) 1 National Defense University. Center for Strategic Research 1 National Security Council (U.S.) 1 Naval History & Heritage Command (U.S.) 1 Naval War College (U.S.). Cyber and Innovation Policy Institute 1 Nederlandse Organisatie voor Toegepast-Natuurwetenschappelijk Onderzoek 1 Nonproliferation Policy Education Center 1 Northrop Grumman Information Technology (Firm) 1 Peacekeeping and Stability Operations Institute 1 Rand Corporation 1 Research Analysis Corporation 1 Royal Armament Research and Development Establishment (Great Britain). Basic Research and Weapon Systems Analysis Division 1 Sweden 1 U.S. Army Command and General Staff College. School of Advanced Military Studies 1 U.S. Army Concepts Analysis Agency 1 United States. Air Force Space Command 1 United States. Air Force. Strategic Air Command 1 United States. Central Command 1 United States. Department of Agriculture 1 United States. Department of Homeland Security. National Cyber Security Division 1 United States. Department of Transportation 1 United States. Federal Aviation Administration 1 United States. Government Accountability Office 1 United States. Joint Forces Command 1 United States. Marine Corps 1 United States. National Military Command System Support Center 1 United States. Office of the Secretary of Defense for Net Assessment 1 United States. War Department 1 University of Louisville 1 Verlag E.S. Mittler & Sohn 1 World Bank

144 Reports 71 Thesis 33 Articles 26 Research 20 Memorandums 18 Games 9 Book reviews 9 Monographs 7 Manuals 6 Catalogs 4 Interviews 2 Technical manuals 1 Game reports 1 Meeting minutes 1 Presentations 1 Press releases

1 Russian

60 Defense/War Department 47 Military (officers and civilians) 28 Land/Ground 28 Naval 28 Real country 23 Air 23 Unclassified 18 Subject Matter Experts (SMEs) 16 Declassified 15 Academic 15 Interstate conflict 12 Strategic planning 11 Nuclear 8 State Department/Foreign Ministry 7 Humanitarian 7 Logistics 6 Information Technology 6 Land/ground 5 Cyber 5 Hoover Institution Library & Archives collections 5 Think Tank 4 Climate/Environmental disaster 4 Intra-state violence 4 Made-up countries 4 Missiles 4 Public health crisis 4 Space 3 Counterinsurgency (COIN) 3 Pandemic/Biological disaster 3 Students 2 EW 2 Economic 2 Executive Cabinet 2 Food crisis 2 Pricing/Markets 2 Private Industry 2 Terrorism 1 AI/Autonomy 1 Artillery expenditure 1 Authoritarian 1 CHI Games 1 Casualty rates 1 Civil-military relations 1 Convenience sample (public) 1 Crisis management 1 Cyberinfrastructure 1 Defense/war department 1 Democracy 1 Government 1 Great Power competition (GPC) 1 Ground combat 1 Human Relations/Labor 1 Humanitarianism 1 International Organization 1 International relations 1 Military 1 Military history 1 Multinational naval cooperation 1 Naval operations 1 Nuclear warfare 1 Operations other than war 1 Peacekeeping 1 Politics 1 Rate of advance 1 Resistance 1 Special operations forces (SOF) 1 State building 1 Tank loss rates 1 Teaching 1 Unconventional warfare (UW) 1 Virtual

30 Military campaign game 24 3+ Moves 22 Strategy/Crisis game 21 Multi-sided 14 Deterministic/Stochastic 13 2 Sides 13 20-100 Players 11 Hybrid 10 Board game 10 Tabletop game 10 Virtual interface 8 Disaster game 8 Free/Open Adjudication 8 Strategic crisis game 7 1 Side 7 2 Players 7 Real countries/players 5 6-20 Players 5 Analytic game 5 Historical game 5 Large player game 4 100+ Players 4 2 Moves 4 3+ moves 4 Strategic crisis games 3 1 Move 3 20+ players 3 Experimental game 3 Fictional countries/players 3 Observational/Brainstorming game 3 Semi-rigid adjudication 2 1 Player 2 1 side 2 1.5 Sides 2 2 sides 2 3-5 Players 2 Business game 2 Counter-insurgency game 2 Military campaign games 2 Real country 2 Semi-rigid Adjudication 2 Small player game 2 Think-tank games 1 2 moves 1 Analytic games 1 Computer simulation 1 Counterinsurgency games 1 Declassified games 1 Disaster games 1 Educational games 1 Experimental games 1 Force ratios 1 Free/open adjudication 1 Historical games 1 Large player games 1 Multi-moves 1 Politico-military games 1 Rigid adjudication 1 Small player games 1 Two sides