By Battle of Britain I refer to the air conflict of summer/fall 1940 over southern Britain. The British Royal Air Force were outnumbered in aircraft something like 2550 to 1960 according to the Wikipedia link in the previous paragraph, and there was some fear that they would run out of aircraft before the Germans. But presumably, these figures did not include the aircraft of the Royal Navy (under separate command). How much help did naval aircraft actually give to land based forces, and how m...