Question

The Lockheed Martin F-22 Raptor is a single-seat, twin-engine, all-weather stealth tactical fighter aircraft developed for the United States Air Force (USAF). The result of the USAF's Advanced Tactical Fighter (ATF) program, the aircraft was designed primarily as an air superiority fighter, but also has ground attack, electronic warfare, and signal intelligence capabilities.[4] The prime contractor, Lockheed Martin, built most of the F-22's airframe and weapons systems and conducted final assembly, while Boeing provided the wings, aft fuselage, avionics integration, and training systems.

F-22 Raptor
An F-22 Raptor flies over Kadena Air Base, Japan on a routine training mission in 2009.
An F-22 Raptor flies over Kadena Air Base, Japan on a routine training mission in 2009.
Role
Stealth air superiority fighter
National origin
United States
Manufacturer
Lockheed Martin Aeronautics
Boeing Defense, Space & Security
First flight
7 September 1997; 23 years ago
Introduction
15 December 2005
Status
In service
Primary user
United States Air Force
Produced
1996–2011
Number built
195 (8 test and 187 operational aircraft)[1]
Program cost
US$67.3 billion (as of 2010)[2]
Unit cost
US$150 million (flyaway cost for FY2009)[3]
Developed from
Lockheed YF-22
Developed into
Lockheed Martin X-44 MANTA
Lockheed Martin FB-22
The aircraft was variously designated F-22 and F/A-22 before it formally entered service in December 2005 as the F-22A. Despite its protracted development and various operational issues, USAF officials consider the F-22 a critical component of the service's tactical air power. Its combination of stealth, aerodynamic performance, and avionics systems enable unprecedented air combat capabilities.[5][6]

Service officials had originally planned to buy a total of 750 ATFs. In 2009, the program was cut to 187 operational production aircraft due to high costs, a lack of clear air-to-air missions due to delays in Russian and Chinese fighter programs, a ban on exports, and development of the more versatile F-35.[N 1] The last F-22 was delivered in 2012.




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Answer 1

Answer:

576 is your answer..........