No weapon platform sank more U-boats in the Second World War than the Allied aircraft. Whether it was an American 'plane operating from American escort carriers, US aircraft from Royal Air Force bases, or British aircraft from bases throughout the world, these officers and men became the most decisive factor in turning the tide of the Battle of the Atlantic against the German submarine threat. While the German crews could threaten escort vessels with torpedoes, or avoid them by remaining submerged, their leaders never developed an effective strategy against aircraft.brbrHowever, the Allied aircraft did not enjoy much early success. British, Canadian and Australian air crews that fought the U-boats from 1939 until 1941 achieved few triumphs. They possessed neither the aircraft nor the bases necessary to deliver consistent lethal attacks against German submarines.brbrIn 1941, the Royal Air Force finally began implementing an effective aircraft response when it initiated training on the A