De Seversky shows that aviation has changed conceptions of strategy and tactics and that air power will play a decisive part in determining the power balance among nations. His conclusions were highly controversial early in World War II.

The challenge to America -- Skagerrak and Dunkirk -- The Battle of Britain -- The Mediterranean and the Bismarck -- Possession or elimination -- Air-power lessons for America -- The twilight of sea power -- Europe's aviation mistakes -- and ours -- The ordeal of American air power -- The emancipation of air power -- Organization for air supremacy -- Victory through air power!.