The aircraft was variously designated F-22 and F/A-22 during the years prior to formally entering USAF service in December 2005 as the F-22A. Despite a protracted and costly development period, the United States Air Force considers the F-22 a critical component for the future of US tactical airpower, and claims that the aircraft is unmatched by any known or projected fighter,[3] while Lockheed Martin claims that the Raptor's combination of stealth, speed, agility, precision and situational awareness, combined with air-to-air and air-to-ground combat capabilities, makes it the best overall fighter in the world.[7] Air Chief Marshal Angus Houston, Chief of the Australian Defence Force, said in 2004 that the "F-22 will be the most
Role
Stealth Air superiority fighter
National origin
United States
Manufacturer
Lockheed Martin AeronauticsBoeing Integrated Defense Systems
First flight
YF-22: 29 September 1990[1]F-22: 7 September 1997[1]
Introduction
15 December 2005FOC on 12 December 2007[2]
Status
In service[3]
Primary user
United States Air Force
Number built
145 as of August 2009,[4] (187 planned)
Program cost
US$65 billion[5]
Unit cost
US$137.5 million (2008 flyaway cost)[6]
Variants
X-44 MANTAFB-22