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 Center for Naval Analyses 7 North American Electric Reliability Corporation 6 European Food Safety Authority 6 United States. Central Intelligence Agency 4 CNA Corporation 4 National Defense University 4 United States. Air Force 3 Army War College (U.S.). Center for Strategic Leadership and Development 3 Foreign Service Institute (U.S.) 3 Mitre Corporation 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 Canada. Department of National Defence 2 Carnegie Mellon University 2 Center for Army Analysis (U.S.) 2 Great Britain. Ministry of Defence 2 Hoover Institution Library & Archives 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 2 Verlag E.S. Mittler & Sohn 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 Poland. Państwowa Inspekcja Sanitarna 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 World Bank

147 Reports 71 Thesis 33 Articles 27 Research 20 Memorandums 18 Games 13 Monographs 12 Interviews 9 Book reviews 9 Manuals 6 Catalogs 2 Presentations 2 Technical manuals 1 Game reports 1 Meeting minutes 1 Papers 1 Press releases

376 English 3 German 1 French 1 Polish 1 Russian 1 Slovak 1 Turkish

3 Hoover Institution Library & Archives collections

27 Defense/War Department 20 Military (officers and civilians) 16 Naval 15 Declassified 13 Air 12 Land/ground 11 Interstate conflict 7 Nuclear 7 Unclassified 6 Subject Matter Experts (SMEs) 5 Real country 5 Strategic planning 3 Counterinsurgency (COIN) 3 Hoover Institution Library & Archives collections 3 Humanitarianism 3 Teaching 3 Think tanks 2 Academic 2 Cyber 2 Information Technology 2 Land/Ground 2 Terrorism 2 Think Tank 1 AI/Autonomy 1 Army After Next 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 Engineers 1 Government 1 Great Power competition (GPC) 1 Ground combat 1 International relations 1 Intra-state violence 1 Logistics 1 Military 1 Military history 1 Military operations on urbanized terrain (MOUT) 1 Missiles 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 Space 1 Special operations forces (SOF) 1 State Department/Foreign Ministry 1 State building 1 Students 1 Tank loss rates 1 Unconventional warfare (UW) 1 Virtual

10 Real countries/players 8 Military campaign games 8 Multi-sided 6 Strategic crisis games 5 20+ players 4 3+ moves 4 Military campaign game 3 2 sides 3 3+ Moves 3 Fictional countries/players 3 Semi-rigid adjudication 2 1 side 2 2 Moves 2 20-100 Players 2 Analytic games 2 Disaster games 2 Educational games 2 Experimental game 2 Free/open adjudication 2 Hybrid 2 Large player game 2 Strategic crisis game 2 Strategy/Crisis game 2 Tabletop game 2 Think-tank games 1 1 Side 1 1.5 Sides 1 100+ Players 1 2 Sides 1 2 moves 1 3-5 Players 1 Analytic game 1 Computer simulation 1 Computer-assisted games 1 Counterinsurgency games 1 Declassified games 1 Disaster game 1 Experimental games 1 Force ratios 1 Free/Open Adjudication 1 Governance games 1 Historical games 1 Large player games 1 Multi-moves 1 Politico-military games 1 Real country 1 Rigid adjudication 1 Semi-rigid Adjudication 1 Small player game 1 Small player games 1 Tabletop games 1 Two sides 1 Virtual interface