The successful integration of air and land forces in the Tunisia campaign forged by Quesada and the Allied leaders became a blueprint for operations incorporated into Army Air Forces field regulations—FM 100-20, "Command and Employment of Air Power", first published on July 21, 1943—and provided the Allies with their first victory in the European war. Principles such as the co-equality of ground and air force commanders, centralized command of tactical aircraft to exploit "the inherent flexibility of air power", and the attainment of air superiority over the battlefield as a prerequisite for successful ground operations formed the core of tactical air doctrine. In October 1943, Quesada assumed command of the IX Fighter Command in England, and his forces provided air cover for the landings on Normandy Beach. Among Quesada's many military decorations were the Distinguished Service Medal with oak leaf cluster; Distinguished Flying Cross; Purple Heart and an Air Medal with two silver star devices.