RAF: The Royal Air Force: Battle for the Skies - The Definitive History
By Air, By Sea
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The RAF's maritime role is often overlooked. Between the wars the RAF operated elegant flying boats to patrol the far flung corners of the Empire. During the Second World War, air sea rescue of downed pilots and air crews was a vital role. Large flying boats like the Short Sunderland and PBY Catalina flew long missions far out over the oceans, looking for enemy submarines.