This United States government documentary short film recapitulates the efforts made by the United States Army Air Forces in coming to terms with the necessities and exigencies of war in the lead-up to and during the Second World War. Archival footage, charts, and animated illustrations depict the unprepared state of America's air power in face of the threat from Germany, Italy, and Japan, and the massive efforts made to catch up to the enemy in terms of manpower, training, and materiel.