Military art and science History 30 War 11 Military history 7 Military history, Modern 7 Automation 6 Strategy 6 Armed Forces 4 Dictionaries 4 Early works to 1800 4 Technological innovations 4 Air power 3 Military policy 3 20th century 2 Addresses, essays, lectures 2 Congresses 2 Electronic data processing 2 History, military 2 Information technology 2 Information warfare 2 Management 2 Mathematical models.War games.Battles 2 Military doctrine 2 Military weapons 2 National security 2 United States 2 19th century 1 19th century. <br> Military art and science 1 19th century. <br> Military history, Modern 1 20th century. <br> Military history, Modern 1