The Mitsubishi A6M, also known as the Zero, was a Japanese fighter aircraft used during World War II. It was designed by Mitsubishi Heavy Industries and first flew in 1939. The A6M was renowned for its exceptional maneuverability and long range, making it a formidable opponent in aerial combat. The aircraft featured a lightweight design and was powered by a Nakajima Sakae engine, allowing it to outperform many of its contemporaries. The A6M played a significant role in early Japanese naval operations and became iconic for its distinctive appearance and performance in battles across the Pacific theater.