"The Germans did not succeeded in gaining undisputed control of the air, a prerequisite for a successful land invasion. As later revealed, German production hadn't concentrated on building sufficient air strength, either in type or numbers. Moreover, Goering continually interfered with operations during the critical period of the Battle of Britain, ordering costly daylight bombing attacks that resulted in a tremendous attrition of Nazi planes. There seemed to be a total lack of firm objectives- "too many targets", as General Kreipe has said. Although Goering was a disciple of the doctrines of General Douhet, he was often guilty of dissipation of means."