Lockheed Martin F-22A Raptor
DAYTON, Ohio -- Lockheed Martin F-22A Raptor on display at the National Museum of the U.S. Air Force. The aircraft on display (S/N 91-4003) was one of nine F-22s built for Engineering, Manufacture and Development (EMD) testing, and it rolled off the Lockheed Martin assembly line in Georgia on May 22, 1999.(U.S. Air Force photo by Ken LaRock)