This is it the very last F-22 built for the US Air force. The Lockheed Martin F-22 Raptor is a single-seat, twin-engine, all weather stealth tactical fighter aircraft .br Another great video of the US Air Force F-22 Raptor some argue that it is the most feared fighter aircraft in the world. The Lockheed Martin F-22 Raptor is a .br Another great video of the US Air Force F-22 Raptor some argue that it is the worst nightmare of the Russian Air Force. The Lockheed Martin F-22 Raptor is a .br The Lockheed Martin F-22 Raptor is a single-seat, twin-engine, all weather stealth tactical fighter developed for the United States Air Force (USAF). Developed .