Alan Ladd as Canadian is the focus of this British story based on the wartime raid on the German radar station at Bruneval. The raid was a combined services operation and the 2nd Battalion of the 1st Parachute Brigade was led by Major 'John Frost' (Major Snow). An RAF radar expert, Flight Sergeant C.W.H. Cox (Sergeant Box) accompanied the raiders to tell them what to take back to England. The film was titled "Paratrooper" in the US.