This Japanese plane was a shock to American and allied pilots being very maneuverable, faster and deadly at the start of the war they had odd of 3 is to 1 i.e. 3 enemy planes shot down for every one of theirs, however by 1946 these planes ended their carriers as suicide bombers

The Mitsubishi A6M Zero was Japan's premier carrier-based fighter during World War II, renowned for its exceptional maneuverability and range. Early in the war, Zeros achieved kill ratios of approximately 3:1 against Allied aircraft due to superior pilot training and tactical experience, though by 1945 many were used in kamikaze suicide attacks as Japan's situation became desperate.