Military theory

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Military theory is the study of the theories which define, inform, guide and explain war and warfare. Military theory analyses both normative behavioral phenomena and explanatory causal aspects to better understand war and how it is fought.^[1] It examines war and trends in warfare beyond simply describing events in military history.^[2] While military theories may employ the scientific method, theory differs from military science. Theory aims to explain the causes for military victory and produce guidance on how war should be waged and won,^[3] rather than developing universal, immutable laws which can bound the physical act of warfare or codifying empirical data, such as weapon effects, platform operating ranges, consumption rates and target information, to aid military planning.

Military theory is multi-disciplinary drawing on social science and humanities academic fields through the disciplines of political science, strategic studies, military studies and history. It examines the nature of war, and the conclusions of wars.^[4]

Military philosophy likewise studies questions such as the reasons to go to war, jus ad bellum, and just ways to fight wars, jus in bello. Two of the earliest military philosophers date from antiquity; Thucydides and Sun Tzu.^[5][6] While military theory can inform military doctrine or help explain military history, it differs from them as it contemplates abstract concepts, themes, principles and ideas to formulate solutions to actual and potential problems concerning war and warfare.^[7]