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'If War Should Come': Preparing the Fifth Arm for Total War 1935-1939

Two years earlier, one of the British Cabinet’s earliest decisions following the outbreak of the Second World War had foreshadowed this statement. Within hours of the Anglo-French declaration of hostilities on 3 September 1939, authorization was given for the Royal Air Force to initiate the psychological offensive against the Third Reich.3 That same night, Whitley bombers from RAF 4 Group showered six million leaflets over selective targets on Ger-