The Mitsubishi A6M Zero, also known as the Zero, was a Japanese carrier-based fighter aircraft that was used extensively during World War II. It was one of the most feared aircraft of the war, and it played a crucial role in Japan’s early victories in the Pacific. The Zero was known for its speed, maneuverability, and its long range. It was also equipped with a variety of other features, including a retractable landing gear and a folding wing. The Zero was used in all theaters of war, and it was particularly effective in the early stages of the Pacific War.