The Lockheed Martin F-22 Raptor is a single-seat, twin-engine, all weatherstealth
tactical fighter aircraft developed for the United States Air Force (USAF).The result
of the USAF's Advanced Tactical Fighter program, the aircraft was designed primarily
as an air superiority fighter, but has additional capabilities including ground attack,
electronic warfare, and signals intelligence roles.Lockheed Martin is the prime contractor
and is responsible for the majority of the airframe, weapon systems, and final assembly
of the F-22,while program partner Boeing provides the wings, aft fuselage, avionics integration,
and training systems.