To conquer the command in the air means victory; to be beaten in the air means defeat.
Giulio DouhetWould not the sight of a single enemy airplane be enough to induce a formidable panic? Normal life would be unable to continue under the constant threat of death and imminent destruction.
Giulio DouhetTo have command of the air means to be able to cut an enemy's army and navy off from their bases of operation and nullify their chances of winning the war.
Giulio DouhetIn order to assure an adequate national defense, it is necessary - and sufficient - to be in a position in case of war to conquer the command of the air.
Giulio Douhet