30 U.S. Army Command and General Staff College 27 Naval Postgraduate School (U.S.) 25 Naval War College (U.S.) 22 United States. Joint Chiefs of Staff 19 U.S. Army Research Laboratory 18 United States. Department of Defense 16 United States. Department of State 14 Air Force Institute of Technology (U.S.) 14 United States. Army 11 North Atlantic Treaty Organization 9 Army War College (U.S.) 8 CNA Corporation 8 United States. Department of the Army 7 North American Electric Reliability Corporation 6 European Food Safety Authority 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 National Defense University 3 U.S. Army Combined Arms Center 3 United States. Air Force 3 United States. Central Intelligence Agency 3 United States. Department of State. Office of the Historian 2 Canada. Department of National Defence 2 Carnegie Mellon University 2 Mitre Corporation 2 Sandia National Laboratories 2 United States. Animal and Plant Health Inspection Service 2 United States. Army Training and Doctrine Command 2 United States. Department of the Air Force 2 United States. Department of the Navy 2 Verlag E.S. Mittler & Sohn 1 Abt Associates 1 Air University (U.S.) 1 California. Department of Food and Agriculture 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. Ministry of Defence 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 Intelligence Council (U.S.) 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 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. Department of Agriculture 1 United States. Department of Defense. Office of the Secretary of Defense 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. National Military Command System Support Center 1 United States. Office of the Secretary of Defense for Net Assessment 1 University of Louisville 1 World Bank

134 Reports 68 Thesis 33 Articles 27 Research 15 Memorandums 10 Monographs 9 Book reviews 8 Manuals 5 Games 4 Interviews 2 Technical manuals 1 Catalogs 1 Game reports 1 Meeting minutes 1 Presentations 1 Press releases

312 English 2 German 1 French 1 Polish 1 Russian 1 Slovak 1 Turkish

36 Defense/War Department 33 Military (officers and civilians) 24 Land/Ground 22 Unclassified 19 Naval 19 Real country 15 Air 14 Subject Matter Experts (SMEs) 13 Academic 11 Strategic planning 6 State Department/Foreign Ministry 5 Humanitarian 5 Interstate conflict 5 Logistics 5 Nuclear 4 Declassified 4 Information Technology 4 Made-up countries 4 Public health crisis 3 Climate/Environmental disaster 3 Cyber 3 Food crisis 3 Missiles 3 Space 2 EW 2 Economic 2 Executive Cabinet 2 Intra-state violence 2 Land/ground 2 Pandemic/Biological disaster 2 Pricing/Markets 2 Private Industry 2 Students 2 Think Tank 1 Artillery expenditure 1 Authoritarian 1 Casualty rates 1 Civil-military relations 1 Convenience sample (public) 1 Counterinsurgency (COIN) 1 Crisis management 1 Democracy 1 Government 1 Great Power competition (GPC) 1 Ground combat 1 Human Relations/Labor 1 International Organization 1 International relations 1 Military 1 Military history 1 Multinational naval cooperation 1 Naval operations 1 Operations other than war 1 Peacekeeping 1 Politics 1 Rate of advance 1 Resistance 1 Special operations forces (SOF) 1 Tank loss rates 1 Teaching 1 Terrorism 1 Unconventional warfare (UW) 1 Virtual

23 Military campaign game 18 Strategy/Crisis game 17 3+ Moves 12 Multi-sided 10 2 Sides 10 Deterministic/Stochastic 9 Board game 9 Hybrid 8 20-100 Players 8 Virtual interface 7 Tabletop game 6 1 Side 5 2 Players 5 6-20 Players 5 Disaster game 5 Free/Open Adjudication 5 Strategic crisis game 4 Analytic game 4 Historical game 3 1 Move 3 100+ Players 3 Large player game 2 2 Moves 2 Business game 2 Observational/Brainstorming game 1 1 Player 1 1.5 Sides 1 2 sides 1 20+ players 1 3+ moves 1 3-5 Players 1 Computer simulation 1 Experimental game 1 Fictional countries/players 1 Force ratios 1 Real countries/players 1 Real country 1 Semi-rigid Adjudication 1 Semi-rigid adjudication