12 United States. Department of Defense 10 United States. Joint Chiefs of Staff 6 North Atlantic Treaty Organization 2 Naval War College (U.S.) 2 United States. Advanced Research Projects Agency 2 United States. Army 2 United States. Central Intelligence Agency 2 United States. Joint War Games Agency 1 Army War College (U.S.) 1 Center for Naval Analyses 1 Germany. Bundestag 1 Great Britain. Ministry of Defence 1 National Defense University 1 National Intelligence Council (U.S.) 1 Royal Armament Research and Development Establishment (Great Britain). Basic Research and Weapon Systems Analysis Division 1 U.S. Army Command and General Staff College 1 U.S. Army Research Laboratory 1 United States. Air Force 1 United States. Animal and Plant Health Inspection Service 1 United States. Central Command 1 United States. Department of Defense. Office of the Secretary of Defense 1 United States. Department of Homeland Security. National Cyber Security Division 1 United States. Marine Corps 1 United States. War Department

12 Reports 6 Games 5 Catalogs 5 Memorandums 3 Research 2 Monographs 1 Manuals 1 Thesis

18 Defense/War Department 10 Declassified 10 Military (officers and civilians) 7 Naval 7 Real country 6 Interstate conflict 5 Air 5 Hoover Institution Library & Archives collections 4 Land/Ground 3 Subject Matter Experts (SMEs) 2 Counterinsurgency (COIN) 2 Humanitarian 2 Intra-state violence 2 Land/ground 2 Nuclear 2 Think Tank 2 Unclassified 1 CHI Games 1 Climate/Environmental disaster 1 Cyber 1 Defense/war department 1 Humanitarianism 1 Logistics 1 Nuclear warfare 1 State building 1 Students

8 Military campaign game 7 3+ Moves 5 Deterministic/Stochastic 5 Real countries/players 4 Multi-sided 3 2 Sides 3 20-100 Players 3 Board game 2 2 Players 2 3+ moves 2 Counter-insurgency game 2 Free/Open Adjudication 2 Strategic crisis game 1 1 Player 1 1 side 1 2 sides 1 Declassified games 1 Disaster game 1 Historical game 1 Military campaign games 1 Observational/Brainstorming game 1 Politico-military games 1 Real country 1 Small player games 1 Strategic crisis games 1 Strategy/Crisis game 1 Tabletop game 1 Virtual interface