The imperial Japanese were over confident and out of touch with realities of war believing in their lightweight and highly energy efficient and maneuverable combat aircraft that were too fragile against the overwhelming firepower of American fleet defenses... the radar proximity fuses of the US Navy's AAA was ultimate secret weapon against the attacking Japanese bombers and kamikazes... amazingly however, none of the top three Zero ace fighter pilots, Tesuzo Iwamoto, Hiroyoshi Nishizawa, and Saburo Sakai, whom account for about 350 ABCD planes shot down (American/Australian, British, Chinese, Dutch) were ever shot down in a dogfight