Military history is often considered to be the history of all conflicts, not just the history of the state militaries. It differs somewhat from the history of war with military history focusing on the people and institutions of war-making while the history of war focuses on the evolution of war itself in the face of changing technology, governments, and geography.
Military history has a number of purposes. One main purpose is to learn from past accomplishments and mistakes so as to more effectively wage war in the future. Another is to create a sense of military tradition which is used to create cohesive military forces. Still another may be to learn to prevent wars more effectively. Human knowledge about the military is largely based on both recorded and oral history of military conflicts (war), their participating armies and navies and, more recently, air forces.
There are two types of military history, although almost all texts have elements of both: descriptive history that serves to chronicle conflicts without offering any statements about the causes, nature of conduct, the ending and effects of a conflict; and analytical history that seeks to offer statements about the causes, nature, ending and aftermath of conflicts as a means of deriving knowledge and understanding of conflicts as a whole, and prevent repetition of mistakes in future, to suggest better concepts or methods in employing forces, or to advocate the need for new tec