F-22 Raptor

Role	Stealth air superiority fighter
National origin	United States
Manufacturer	Lockheed Martin Aeronautics Boeing Defense, Space & Security
First flight	7 September 1997[1]
Introduction	15 December 2005
Status	In service
Primary user	United States Air Force
Produced	F-22: 1996–2011[2]
Number built	195 (8 test and 187 operational aircraft)[2][3]
Program cost	US$66.7 billion as of 2011[4]
Unit cost	US$150 million (flyaway cost for FY2009)[5]
Developed from	Lockheed YF-22
Developed into	Lockheed Martin X-44 MANTA Lockheed Martin FB-22

The Lockheed Martin F-22 Raptor is a fifth-generation single-seat, twin-engine, all-weather stealth tacticalfighter 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.^[6] Lockheed Martin is the prime contractor and was responsible for the majority of the airframe, weapon systems, and final assembly of the F-22, while program partner Boeing provided the wings, aft fuselage, avionics integration, and training systems.(WIKIPEADIA)