It’s May 1941, and Britain desperately needs a hero.The pride of the Royal Navy, HMS Hood, has just been sunk by the infamous German battleship, Bismarck. Now, Hitler’s floating leviathan seems to have vanished into thin air – but if she’s not found, it’s only a matter of time before she strikes again.The British have already spent two days looking for her, but it’s no use. Thick fog at sea level has rendered their warships blind, while their fighters have neither the range nor the visibility to search effectively for the elusive vessel.Only one aircraft is up to the task – though she’s an unlikely savior.Painfully slow. Awkwardly ugly. The PBY Catalina…