During the 1930s, the U.S. Army Air Corps was a pathetically small and inadequate force. Funding was almost nothing and pratically all of it's aircraft were obselete. But when war clouds loomed in Europe, Congress, with the help of Roosevelt, started sending much needed money to the military. The U.S.A.A.C. when from Peashooters to P-35s and P-36s, but these still were adequate. Along came the P-40, a development of the P-36 and the mainstay of the U.S.A.A.F. early in the war.