Codenamed Cobra, the Allied breakout from the Normandy Beachhead finally began late in July 1944 after a brief but intense planning stage. In directing Cobra U.S. General Omar Bradley left nothing to chance; as Cobra's objective was nothing less than breaking out of the bridgehead in Normandy in which the Allied army's had been bottled up for the better part of two full months. Bradley's plan was two-tiered; he first sought to breakthrough the German defensive positions near the Norman town of St.