Air power has inevitably changed the characteristics and environment for the outcome of wars. Theorists argue that war arises from drastic changes in the international security environment, diplomacy, domestic politics, ideology, economics, and revolutionary advances in technology. Clausewitz emphasized: “Each period would maintain its own theory.” Douhet wrote, "Victory smiles on those who anticipate changes in the character of war, not on those who wait to adapt after the changes have occurred." Airpower technology has changed everything. Air power can leverage speed, range and flexibility better than land and sea forces. War may be the realm of chance, as Clausewitz suggests, but victory or defeat are not recorded as random outcomes. “There is an approach to war that maximizes the prospect of achieving a decisive victory (whatever outcome you decide on is sufficiently decisive and adequately victorious).” As warfare expands into new realms, it is necessary to continue to look back at military theory to develop it effectively