25 Facts About Lockheed F-22

Lockheed Martin F-22 Raptor is an American single-seat, twin-engine, all-weather stealth tactical fighter aircraft developed for the United States Air Force .

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.

The YLockheed F-22 had its maiden flight on 29 September 1990 and in-flight tests achieved up to Mach 1.

Lockheed F-22 cannot be exported under US federal law to protect its stealth technology and classified features.

Customers for U S fighters are acquiring earlier designs such as the F-15 Eagle and F-16 Fighting Falcon or the newer F-35 Lightning II, which contains technology from the F-22 but was designed to be cheaper, more flexible, and available for export.

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However, the Royal Australian Air Force determined that the Lockheed F-22 was unable to perform the F-35's strike and close air support roles.

However, in 2009 it was reported that acquiring the Lockheed F-22 would require increases to the Japanese government's defense budget beyond the historical 1 percent of its GDP.

The F-22 lost influential supporters in 2008 after the forced resignations of Secretary of the Air Force Michael Wynne and the Chief of Staff of the Air Force General T Michael Moseley.

In December 2011, the 195th and final Lockheed F-22 was completed out of 8 test EMD and 187 operational aircraft produced; the aircraft was delivered to the USAF on 2 May 2012.

The Lockheed F-22 has been used to test technology for its eventual successor from the Next Generation Air Dominance program; some advances are expected to be applied to the Lockheed F-22 as well.

Lockheed F-22 Raptor is a fifth-generation air superiority fighter that is considered fourth generation in stealth aircraft technology by the USAF.

The Lockheed F-22 has clipped diamond-like delta wings blended into the fuselage with four empennage surfaces and leading edge root extensions running to the upper outboard corner of the caret inlets.

Lockheed F-22's aerodynamics, relaxed stability, and powerful thrust-vectoring engines give it excellent maneuverability and energy potential across its flight envelope.

In 2007, the Lockheed F-22's radar was tested as a wireless data transceiver, transmitting data at 548 megabits per second and receiving at gigabit speed, far faster than the Link 16 system.

Lockheed F-22 has integrated radio functionality, the signal processing systems are virtualized rather than as a separate hardware module.

Lockheed F-22 has three internal weapons bays: a large main bay on the bottom of the fuselage, and two smaller bays on the sides of the fuselage, aft of the engine inlets; a small bay for countermeasures such as flares is located behind each side bay.

Lockheed F-22 was designed to be highly difficult to detect and track by radar.

The Lockheed F-22 was designed to have decreased radio emissions, infrared signature and acoustic signature as well as reduced visibility to the naked eye.

Unlike the B-2, which requires climate-controlled hangars, the Lockheed F-22 can undergo repairs on the flight line or in a normal hangar.

The Lockheed F-22 has a Signature Assessment System which delivers warnings when the radar signature is degraded and necessitates repair.

The Lockheed F-22 designation was reinstated in December 2005, when the aircraft entered service.

The stealth coatings of the Lockheed F-22 were designed to be more robust and weather-resistant than those used in earlier stealth aircraft.

In March 2013, the USAF announced that an Lockheed F-22 had intercepted an Iranian F-4 Phantom II that approached within 16 miles of an MQ-1 Predator flying off the Iranian coastline.

X-44 MANTA, or multi-axis, no-tail aircraft, was a planned experimental aircraft based on the Lockheed F-22 with enhanced thrust vectoring controls and no aerodynamic surface backup.

Haney's widow sued Lockheed F-22 Martin, claiming equipment defects, and later reached a settlement.

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