The Grumman F6F Hellcat was an American single-seat fighter aircraft used extensively by the United States Navy during World War II. It was known for its speed, its maneuverability, and its firepower, making it one of the most successful carrier-based fighters of the war. It was powered by a Pratt & Whitney R-2800 Double Wasp engine. The Hellcat played a crucial role in the Pacific theater, particularly in the Battle of Midway and the Battle of the Philippine Sea.