This document summarizes the evolution of air power from its origins in the late 19th century to modern times. It traces major developments such as the establishment of independent air forces during World War I, the rise of strategic bombing theories in the interwar period, the integration of air power into combined arms operations during World War II, and post-war innovations like the US AirLand Battle doctrine. Throughout history, air power concepts and employment have adapted to technological advances and lessons from conflicts. The document aims to provide context for how air power capabilities and roles have changed over time.