The Chance Vought F4U Corsair was an American single-seat fighter aircraft used extensively by the United States Navy and the Royal Navy during World War II. It was known for its powerful engine, its rugged construction, and its distinctive inverted gull wings. It was powered by a Pratt & Whitney R-2800 Double Wasp engine. The Corsair was a formidable aircraft in air-to-air combat and ground attack missions, particularly in the Pacific theater.