The Allies have invaded Italy. Men and arms are being shipped from the Middle East until torrential rain and tough German resistance slows the advance. A troop ship is torpedoed. Men must now be held in transit camps waiting for transportation. Men of the U S Army Air Corps are sent to an RAF base at El Khadar in Egypt. The men, frustrated with the delay, enduring unrelenting heat and long empty days rebel and fight one another at the slightest remark. They must be put to work before someone is killed. They are ordered to repair a broken abandoned bomber. German spy ring informers hear rumors of unusual activity with the British and Americans at El Khadar, a base reported as inactive. The GINA, German Intelligence North Afrika reports Allied HQ in Cairo have no information on the project. It must be top secret. The rumor of work on a secret weapon is reported to Berlin. Orders are issued. Destroy El Khadar.