This scenario is unofficial!   The Battle of the River Plate (Rio de la Plata) was the first naval battle in the Second World War. The German pocket battleship Admiral Graf Spee had been commerce raiding since the start of the war in September 1939. One of the hunting groups sent by the British Admiralty to search for Graf Spee, comprising three Royal Navy (RN) cruisers, HMS Exeter, Ajax and Achi…