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

3 Hoover Institution Library & Archives collections

13 Defense/War Department 9 Declassified 8 Military (officers and civilians) 6 Interstate conflict 6 Naval 5 Air 4 Real country 3 Subject Matter Experts (SMEs) 2 Counterinsurgency (COIN) 2 Hoover Institution Library & Archives collections 2 Humanitarianism 2 Land/ground 2 Nuclear 1 CHI Games 1 Cyber 1 Defense/war department 1 Nuclear warfare 1 State building 1 Students

5 Real countries/players 2 3+ Moves 2 3+ moves 2 Military campaign game 2 Military campaign games 2 Multi-sided 1 1 side 1 2 Sides 1 2 sides 1 20+ players 1 Declassified games 1 Politico-military games 1 Real country 1 Small player games 1 Strategic crisis game 1 Strategic crisis games