The F6F Hellcat.
The logical successor & evolution to the F4F Wildcat, the Hellcat was the monstrous carrier-borne aircraft of the United States Navy in the Pacific Theatre of WWII. The Hellcat first appeared operationally in August 1943, proving its value immediately and taking part in some of the greatest air battles of the Pacific; from the Caroline Islands, to the Battle of the Philippines & many more. The aircraft was incredibly successful in battle, accounting for more than half of all airborne kills from the US Navy. The F6F claimed 5,156 total kills with an extraordinary kill ratio of 19:1, creating 307 Hellcat Pilot aces in the process.