- F-22 Raptor
name= F-22 Raptor
Air superiority fighter
national origin =
Lockheed Martin Aeronautics Boeing Integrated Defense Systems
caption= Two F-22 Raptors in column flight formation
first flight= YF-22: 29 September 1990 F-22: 7 September 1997
introduction= 15 December 2005
status= Active [http://www.af.mil/factsheets/factsheet.asp?fsID=199 F-22 Raptor fact sheet] , USAF, April 2008.]
United States Air Force
number built= 122 as of July 2008 [http://www.flightglobal.com/articles/2008/07/15/225436/farnborough-2008-raptor-rocks-the-show-but-doubts.html "FARNBOROUGH 2008: Raptor rocks the show – but doubts remain"] , Flight International, 15 July 2008.]
program cost= US$62 billion Lopez, C.T. [http://www.af.mil/news/story.asp?storyID=123022371 "F-22 excels at establishing air dominance"] . "
Air Force Print News", 23 June 2006.]
unit cost=US$137.5 million (2008 flyaway cost) [http://www.saffm.hq.af.mil/shared/media/document/AFD-080204-081.pdf "FY 2009 Budget Estimates". p. 1–13.]
United States Air Force. February 2008.]
variants with their own articles =
X-44 MANTA FB-22
The Lockheed Martin/Boeing F-22 Raptor is a
fighter aircraftthat uses stealth technology. It is primarily an air superiority fighter, but has multiple capabilities that include ground attack, electronic warfare, and signals intelligence roles.
United States Air Forceconsiders the F-22 a critical component of the U.S. strike force. The USAF states that the F-22 cannot be matched by any known or projected fighter aircraft. Air Chief Marshal Angus Houston, Chief of the Australian Defence Force, said in 2004 that the "F-22 will be the most outstanding fighter plane ever built." Houston, A. [http://www.aspi.org.au/publications/publication_details.aspx?ContentID=56&pubtype=6"Strategic Insight 9 - Is the JSF good enough?"] . Canberra:" Australian Strategic Policy Institute", 18 August 2004.]
Faced with a protracted and costly development period, the aircraft was variously designated F-22 and F/A-22 during the three years before formally entering US Air Force service in December 2005, as the F-22A.
Lockheed Martin Aeronauticsis the prime contractor and is responsible for the majority of the airframe, weapon systems and final assembly of the F-22. Program partner Boeing Integrated Defense Systemsprovides the wings, aft fuselage, avionics integration, and all of the pilot and maintenance training systems.
In 1981 the United States Air Force (USAF) developed a requirement for a new air superiority fighter, the
Advanced Tactical Fighter(ATF), to replace the capability of the F-15 Eagle. ATF was a demonstration and validation program undertaken by the USAF to develop a next-generation air superiority fighter to counter emerging worldwide threats, including development and proliferation of Soviet-era Su-27 "Flanker"-class fighter aircraft. It was envisaged that the ATF would incorporate emerging technologies including advanced alloys and composite materials, advanced fly-by-wire flight control systems, higher power propulsion systems, and low-observable/ stealth technology.
request for proposal(RFP) was issued in July 1986, and two contractor teams, Lockheed/ Boeing/ General Dynamicsand Northrop/ McDonnell Douglaswere selected in October 1986 to undertake a 50-month demonstration/validation phase, culminating in the flight test of two prototypes, the YF-22 and the YF-23.
On 23 April 1991 the USAF ended the design and test flight competition by announcing Lockheed's YF-22 as the winner. It was anticipated at the time that 650 aircraft would be ordered. [Pearlstein, Steven and Gellman, Barton. "Lockheed Wins Huge Jet Contract; Air Force Plans to Buy 650 Stealth Planes At $100 Million Each". "Washington Post", 24 April 1991.]
The first production F-22 was delivered to
Nellis Air Force Base, Nevada, on 14 January 2003 and "Dedicated Initial Operational Test and Evaluation" commenced on 27 October 2003. By 2004, 51 Raptors were in service.
The first crash of a production F-22 occurred during
takeoffat Nellis Air Force Baseon 20 December 2004, in which the pilot ejected safely prior to impact. [ [http://www.cnn.com/2004/US/12/22/fighter.crash/index.html Nevada crash grounds F-22 fighters] ] The crash investigation revealed that a brief interruption in power during an engine shutdown prior to flight caused a malfunction in the flight-control system;Pike, J. [http://www.globalsecurity.org/military/systems/aircraft/f-22-testfly.htm "F-22 Raptor Flight Test"] . GlobalSecurity.org.] consequently, the aircraft design was corrected to avoid the problem.
In August 2007, the United States Air Force signed a $5 billion, multi-year contract with Lockheed Martin that will extend production to 2011, [http://www.aviationtoday.com/pressreleases/14543.html "Lockheed Martin Awarded Additional $5 Billion in Multiyear Contract to Build 60 F-22 Raptors"] , Aviation Today, 31 July 2007.] and as of 2008, F-22 Raptors are being procured at the rate of 20 per year.
In a ceremony on 29 August 2007, Lockheed Martin reached its "100th F-22 Raptor" milestone, delivering aircraft 05-4100.Shamim, Asif. [http://www.f-16.net/news_article2489.html "Lockheed Martin delivers 100th F-22 to the USAF"] . F-16.net, 29 August 2007. Access date: 26 October 2007.]
The United States Air Force originally planned to order 750 ATFs, with production beginning in 1994; however, the 1990 Major Aircraft Review altered the plan to 648 aircraft beginning in 1996. The goal changed again in 1994, when it became 442 aircraft entering service in 2003 or 2004, but a 1997 Department of Defense report put the purchase at 339. In 2003, the Air Force said that the existing congressional cost cap limited the purchase to 277. By 2006, the Pentagon said it will buy 183 aircraft, which would save $15 billion but raise the cost of each aircraft, and this plan has been "de facto" approved by Congress in the form of a multi-year procurement plan, which still holds open the possibility for new orders past that point. The total cost of the program by 2006 was $62 billion.
In April 2006, the cost of the F-22A was assessed by the Government Accountability Office to be $361 million per aircraft. This cost reflects the F-22A total program cost, divided by the number of fighters the Air Force is programmed to buy; and which has so far invested $28 billion in the Raptor's research, development and testing. That money, referred to as a "
sunk cost", is already spent and is separate from money used for future decision-making, including procuring a copy of the jet. The Unit Procurement Cost was estimated at $177.6 million in 2006 based on a production run of 181 airframes. [http://www.defense-aerospace.com/dae/articles/communiques/FighterCostFinalJuly06.pdf "Sticker Shock: Estimating the Real Cost of Modern Fighter Aircraft" p. 2.] Defense-Aerospace.com, July 2006.] This unit cost will decrease if total production is higher. This cost includes $3.233 billion already spent on research and development by 2006. [ [http://www.gao.gov/new.items/d06391.pdf "Defense Acquisitions: Assessments of Selected Major Weapon Programs", p. 59.] Government Accountability Office, 31 March 2006. Retrieved: 2 February 2008.]
By the time all 183 fighters have been purchased, $34 billion will have been spent on actual procurement, resulting in a total program cost of $62 billion or about $339 million per aircraft. The incremental cost for one additional F-22 is around $138 million; decreasing with larger volumes. If the Air Force were to buy 100 more F-22s today, the cost of each one would be less and would continue to drop with additional aircraft purchases.
The F-22 is not the most expensive aircraft aloft. That distinction likely belongs to the roughly $2.2 billion-per-unit
B-2 Spirit, whose orders went from hundreds to a few dozen when the Cold Warended thus making the unit cost skyrocket, though the incremental cost was under US$1 billion. The F-22 uses fewer radar absorbent materials than the B-2 or F-117 Nighthawk, which is expected to translate into lower maintenance costs.
On 31 July 2007, Lockheed Martin received a multiyear contract for 60 F-22s worth a total of US$7.3 billion. [http://www.lockheedmartin.com/wms/findPage.do?dsp=fec&ci=18503&rsbci=0&fti=111&ti=0&sc=400 "Lockheed Martin Awarded Additional $5 Billion in Multiyear Contract to Build 60 F-22 Raptors"] Dead link|date=July 2008, Lockheed Martin press release, 31 July 2007.] [ [http://www.defenselink.mil/contracts/contract.aspx?contractid=3570 US Department of Defense contracts] , 31 July 2007.] The contract brings the number of F-22s on order to 183 and extends production through 2011.
During the two-month grounding of nearly 700 older F-15s in November and December 2007, some US Senators demanded that Deputy Secretary of Defense
Gordon Englandrelease three government reports that support additional F-22 Raptors beyond the planned 183 jets. [ [http://news.yahoo.com/s/nm/20071109/pl_nm/lockheed_fighter_congress_dc_1 "Senators demand more F-22 fighters"] Dead link|date=July 2008, Yahoo news, 9 November 2007.] Forbes has reported that the USAF plans to extend the production of the F-22 past 2011. This is believed to be a response to the recent grounding of F-15A-D. [ [http://www.forbes.com/reuters/feeds/reuters/2007/11/30/2007-11-30T212939Z_01_N30322788_RTRIDST_0_FIGHTER-LOCKHEED-USA-UPDATE-1.html "Pentagon Plans for more F-22s"] Dead link|date=July 2008, Forbes, 7 December 2007.]
In January 2008, the Pentagon announced that it would ask Congress for funds to buy additional F-22s to replace other aircraft lost in combat, and proposed that $497 million that would have been used to shut down the F-22 line instead be used to buy four more F-22s, keeping open the production line beyond 2011 and providing the successor to President George W. Bush the option to buy even more F-22s.Sevastopulo, Demetri. [http://www.ft.com/cms/s/0/2b6bbce0-c4a1-11dc-a474-0000779fd2ac.html "Lockheed Martin given F-22 reprieve"] . "Financial Times", 17 January 2008. Retrieved: 2 February 2008. ] The funds earmarked for the line shutdown, however, were directed by Pentagon Comptroller Tina W. Jonas on 17 December 2007, to be used to fund repairs to the
F-15fleet caused by the worldwide grounding of that aircraft in November 2007. This diversion had the same effect of postponing the decision to shut down the F-22 production line until at least 2009. [ [http://www.bloomberg.com/apps/news?pid=20601103&sid=aZHFu2x_ouLQ&refer=us ] , Bloomberg.com] [ [http://www.afa.org/magazine/feb2008/0208watch.asp "Washington Watch: The Fighter Dilemma"] p. 12. "AIR FORCE Magazine" February 2008.] On September 24, 2008, US Congress passed a defense spending bill with funding for F-22 long lead items for future production. [Trimble, Stephen. [http://www.flightglobal.com/articles/2008/09/24/316459/us-congress-passes-487.7-defence-spending-bill-slashes-aircraft.html "US Congress passes $487.7 defence spending bill, slashes aircraft"] , Flightglobal.com, 24 September 2008.]
Proposed foreign purchases
Unlike many other tactical fighters, the opportunity for export is currently non-existent because the export sale of the F-22 is barred by federal law. However, regardless of restrictions, very few allies would even be considered for export sale because the F-22 is such a sensitive and expensive system. Most current customers for U.S. fighters are either acquiring earlier designs like the F-15 or F-16, or else are waiting to acquire the F-35, which contains much of the F-22's technology but is designed to be cheaper and more flexible. Independent writers have suggested that F-22 may not be offered for export in order not to damage the lucrative F-35 export program. [ [http://www.f-16.net/news_article2894.html The other F-22 export story] ] Verify credibility|date=July 2008
The Japanese government reportedly showed some interest in buying F-22As in its Replacement-Fighter program for its Air Self-Defense Force (JASDF).Bennet, J.T. [http://www.military.com/features/0,15240,88282,00.html "Air Force Plans to Sell F-22As to Allies"] . "
InsideDefense.com", 18 February 2006.] In such an event, it would most likely involve a "watered-down" export variant while still retaining most of its advanced avionicsand stealth characteristics. However, such a proposal would still need approval from the Pentagon, State Department and Congress. Israeli Air Force(IAF) chief procurement officer Brigadier-General Ze'ev Snir said that, "The IAF would be happy to equip itself with 24 F-22s, but the problem at this time is the US refusal to sell the aircraft, and its $200 million price tag." [ [http://www.defenseindustrydaily.com/israel-plans-to-buy-over-100-f35s-02381/ Defense Industry Daily, "Israel Plans to Buy Over 100 F-35s"] (27 June 2006)]
Some Australian politicians and defense commentators have proposed that Australia purchase F-22s instead of the F-35.Carmen, G. [http://www.theage.com.au/news/opinion/rapped-in-the-raptor-why-australia-must-have-the-best/2006/10/01/1159641209404.html?page=fullpage "Rapped in the Raptor: why Australia must have the best"] . "
The Age", 2 October 2006.] [Dr Carlo Kopp [http://www.ausairpower.net/Analysis-JSF-Apr-04-P.pdf "Is The Joint Strike Fighter Right For Australia?"] Air Power Australia] In 2006, the Australian Labor Partysupported this proposal on the grounds that the F-22 is a proven, highly capable aircraft, while the F-35 is still under development.Beazley, K.. [http://www.alp.org.au/media/0606/msloo270.php "Media Statement"] . " Australian Labor Party", 26 June 2006.] However, the Howard government ruled out purchase of the F-22, on the grounds that it is unlikely to be released for export, and does not have sufficient ground/ maritimestrike capacity.Landers, K. [http://www.abc.net.au/worldtoday/content/2006/s1673139.htm "Australia to buy 100 Lockheed jet fighters"] . " The World Today", 27 June 2006.] This assessment was supported by the Australian Strategic Policy Institute, which claimed that the F-22 "has insufficient multi-role capability at too high a price."Brogo, A. [http://www.aspi.org.au/publications/publication_details.aspx?ContentID=42&pubtype=5 "A Big Deal: Australia's future air combat capability". p. 62.] " Australian Strategic Policy Institute" (Canberra), 25 February 2004.] The ASPI analysis was, however, criticized by Air Power Australia. [Dr Carlo Kopp, Peter Goon [http://www.ausairpower.net/0830-ASPI-Rebuttal-HR.pdf "Is the JSF "Really" Good Enough?"] Air Power Australia]
The US Congress upheld the ban on F-22 Raptor foreign sales during a joint conference on 27 September 2006.Bruno, M. [http://www.aviationnow.com/avnow/news/channel_defense_story.jsp?id=news/F2209176.xml "Appropriators Approve F-22A Multiyear, But Not Foreign Sales"] . "
Aerospace Daily & Defense Report". 27 September 2006.] After talks in Washington in December 2006, the US DoD reported the F-22 would not be available for foreign sale. [Stewart, C. [http://www.news.com.au/story/0,23599,21222473-2,00.html "US rules out deal on F-22 Raptor fighter jets"] . "News.com.au". Retrieved: 14 February 2007.]
Following the victory of the Australian Labor Party in the 2007 national election, the new government ordered a review of plans to procure the F-35 and
F/A-18E/F Super Hornet. This review will include an evaluation of the F-22's suitability for Australia; moreover, Defence Minister Joel Fitzgibbonhas stated: "I intend to pursue American politicians for access to the Raptor". [ [http://www.flightglobal.com/articles/2008/01/10/220724/australia-to-weigh-lockheed-martin-f-22-against-russian-fighters.htm Govindasamy, Siva. "Australia to weigh Lockheed Martin F-22 against Russian fighters"] . Reed Business Information, Flightglobal.com, 10 January 2008. Retrieved: 2 February 2008.] In February 2008, U.S. Defense Secretary Robert Gatessaid he had no objection to sale of the Raptor to Australia, but Congress would have to change the law. [ [http://www.iht.com/articles/ap/2008/02/23/asia/AS-GEN-Australia-US-Fighter-Jets.php International Herald Tribune, "Australian minister says he wants option to buy US F-22 Raptor"] , 23 February 2006 ]
The F-22 is a fifth generation fighter that is considered a fourth-generation
stealth aircraftby the USAF. [Carlson, Maj. Gen. Bruce. [http://www.defenselink.mil/transcripts/transcript.aspx?transcriptid=597 "Subject: Stealth Fighters"] . "U.S. Department of Defense Office of the Assistant Secretary of Defense (Public Affairs) News Transcript". Retrieved: 16 July 2007.] Its dual afterburning Pratt & Whitney F119-PW-100 turbofans incorporate thrust vectoring, but in the pitch axis only, with a range of ±20 degrees. The maximum thrust is classified, though most sources place it at about 35,000 lbf (156 kN) per engine. [cite news|url =http://news.bbc.co.uk/1/hi/uk/7502739.stm|date = 2008-07-11|title = US shows off new Raptor jet|publisher = BBC News Online] Maximum speed, without external weapons, is estimated to be Mach 1.82 in supercruisemode; as demonstrated by General John P. Jumper, former US Air Force Chief of Staff, when his Raptor exceeded Mach 1.7 without afterburners on 13 January 2005.Powell, 2nd Lt. William [http://www.af.mil/news/story.asp?storyID=123009594 "General Jumper qualifies in F/A-22 Raptor"] " Air Force Link", 13 January 2005.] With afterburners, it is "greater than Mach 2.0" (1,317 mph, 2,120 km/h), according to Lockheed Martin; however, the Raptor can easily exceed its design speed limits, particularly at low altitudes, with max-speed alerts to help prevent the pilot from exceeding them. Former Lockheed Raptor chief test pilot Paul Metz stated that the Raptor has a fixed inlet; but while the absence of variable intake ramps may theoretically make speeds greater than Mach 2.0 unreachable, there is no evidence to prove this. Such ramps would be used to prevent engine surge resulting in a compressor stall, but the intake itself may be designed to prevent this. Metz has also stated that the F-22 has a top speed greater than 1,600 mph (Mach 2.42) and its climb rate is faster than the F-15 Eagledue to advances in engine technology, despite the F-15's thrust-to-weight ratio of about 1.2:1, with the F-22 having a ratio closer to 1:1.Fulghum, D.A. and Fabey, M.J. "Turn and Burn". " Aviation Week & Space Technology". 8 January 2007. [http://www.aviationnow.com/search/AvnowSearchResult.do?reference=xml/awst_xml/2007/01/08/AW_01_08_2007_p46-49-02.xml (online version)] . ] The US Air Force claims that the F-22A cannot be matched by any known or projected fighter.
The true top-speed of the F-22 is largely unknown to the general public, as engine power is only one factor. The ability of the airframe to withstand the stress and heat from friction is a further, key factor, especially in an aircraft using as many
polymersas the F-22. However, while some aircraft are faster on paper, the internal carriage of its standard combat load allows the aircraft to reach comparatively higher performance with a heavy load over other modern aircraft due to its lack of drag from external stores. It is one of only a handful of aircraft that can sustain supersonicflight without the use of afterburner augmented thrust (and its associated high fuel usage). This ability is called supercruise.
The F-22 is highly maneuverable, at both supersonic and
subsonicspeeds. It is extremely departure-resistant, [ [http://www.codeonemagazine.com/archives/2000/articles/oct_00/f-22/f22_1.html Code One Magazine: F-22 Pilot Perspective] ] enabling it to remain controllable at extreme pilot inputs. The F-22's thrust vectoring nozzles allow the aircraft to turn tightly, and perform extremely high alpha ( angle of attack) maneuvers such as the Herbst maneuver(or J-turn), Pugachev's Cobra, and the Kulbit, though the J-Turn is more useful in combat. The F-22 is also capable of maintaining a constant angle of attack of over 60°, yet still having some control of roll.Peron, L. R. [http://www.sfte-ec.se/data/Abstract/A2000-II-02.pdf"F-22 Initial High Angle-of-Attack Flight Results."(Abstract)] " Air Force Flight Test Center". ] During June 2006 exercises in Alaska, F-22 pilots demonstrated that cruise altitude has a significant effect on combat performance, and routinely attributed their altitude advantage as a major factor in achieving an unblemished kill ratio against other US fighters and 4th/4.5th generation fighters.Fulghum, D.A and Fabey, M.J. [http://www.aviationnow.com/avnow/news/channel_defense_story.jsp?id=news/aw010807p1.xml ""F-22: Unseen and Lethal: Raptor Scores in Alaskan Exercise." (online edition)] " Aviation Week & Space Technology". 8 January 2007.]
The F-22's avionics include BAE Systems E&IS
radar warning receiver(RWR) AN/ALR-94, [ Klass, Philip J. "Sanders Will Give BAE Systems Dominant Role in Airborne EW." " Aviation Week & Space Technology"Volume 153, issue 5, 31 July 2000. p. 74.] AN/AAR 56 Infra-Red and Ultra-Violet MAWS (Missile Approach Warning System) and the Northrop Grumman AN/APG-77 Active Electronically Scanned Array(AESA) radar. The AN/APG-77 has both long-range target acquisition and low probability of interception of its own signals by enemy aircraft.
The AN/ALR-94 is a passive receiver system capable of detecting the radar signals in the environment. Composed of more than 30 antennas smoothly blended into the wings and fuselage, it is described by the former head of the F-22 program at
Lockheed MartinTom Burbage as "the most technically complex piece of equipment on the aircraft." With greater range (250+ nmi) than the radar, it enables the F-22 to limit its own radar emission which might otherwise compromise its stealth. As the target approaches, AN/ALR-94 can cue the AN/APG-77 radar to keep track of its motion with a narrow beam, which can be as focused as 2° by 2° in azimuth and elevation.Sweetman 2000. p. 41–47.]
The AN/APG-77 AESA radar, designed for air-superiority and strike operations, features a low-observable, active-aperture, electronically-scanned array that can track multiple targets in all kinds of weather. The AN/APG-77 changes frequencies more than 1,000 times per second to reduce the chance of being intercepted. The radar can also focus its emissions to overload enemy sensors, giving the aircraft an electronic-attack capability. [ [http://www.defensenews.com/story.php?F=876380&C=airwar JSF-Raptor Radar Can Fry Enemy Sensors] ] [ [http://www.lockheedmartin.com/products/f22/index.html F-22 Raptor | Lockheed Martin] ]
The radar’s information is processed by two
RaytheonCommon Integrated Processor (CIP)s. Each CIP operates at 10.5 billion instructions per secondand has 300 megabytes of memory. Information can be gathered from the radar and other onboard and offboard systems, filtered by the CIP, and offered in easy-to-digest ways on several cockpit displays, enabling the pilot to remain on top of complicated situations. The Raptor’s software is composed of over 1.7 million lines of code, most of which concerns processing data from the radar.Pike, J. [http://www.globalsecurity.org/military/systems/aircraft/f-22-avionics.htm "F-22 Avionics."] " GlobalSecurity.org".] The radar has an estimated range of 125-150 miles, though planned upgrades will allow a range of convert|250|mi|km or more in narrow beams.
The F-22 has several unique functions for an aircraft of its size and role. For instance, it has threat detection and identification capability along the lines of that available on the RC-135 Rivet Joint. While the F-22's equipment isn't as powerful or sophisticated, because of its stealth, it can be typically hundreds of miles closer to the battlefield, which often compensates for the reduced capability.
The F-22 is capable of functioning as a "mini-AWACS." Though reduced in capability compared to dedicated airframes such as the
E-3 Sentry, as with its threat identification capability, the F-22's forward presence is often of benefit. The system allows the F-22 to designate targets for cooperating F-15s and F-16s, and even determine if two friendly aircraft are targeting the same enemy aircraft, thus enabling one of them to choose a different target. It is often able to identify targets hundreds of times faster than accompanying dedicated AWACS.
low probability of interceptradar is being given a high-bandwidth data transmission capability, to allow it to be used in a "broadband" role to permit high-speed relaying of data between friendly transmitters and receivers in the area. The F-22 can already pass data to other F-22s, resulting in considerably reduced radio "chatter."
The IEEE-1394B data bus, developed for the F-22, was derived from the commercial IEEE-1394 "FireWire" bus system,Philips, E.H. "The Electric Jet." "
Aviation Week & Space Technology". 5 February 2007.] often used on personal computers. The same data bus is employed by the subsequent F-35 Lightning IIfighter.
F-22 cockpitis a glass cockpitdesign without any traditional analog flight instruments and represents a marked improvement on the cockpit design of previous advanced aircraft. [Williams 2002, p. 10.] The leading features of the F-22 cockpit include simple and rapid start-up, highly developed HMI, light helmet, large anthropometric accommodation and highly integrated warning system. [http://www.globalsecurity.org/military/systems/aircraft/f-22-cockpit.htm F-22 Raptor Cockpit] , GlobalSecurity.org] Other main features include the large single-piece canopy and improved life support systems.
Several small design changes were made from the YF-22A prototype to the production F-22A. The swept-back angle on the wing's leading edge was decreased from 48 degrees to 42 degrees, while the vertical stabilizer area was decreased 20%. To improve pilot visibility, the canopy was moved forward 7 inches (178 mm) and the engine intakes were moved rearward 14 inches (356 mm). The shape of the wing and stabilator trailing edges was refined to improve aerodynamics, strength, and stealth characteristics. [Pace 2002, p. 12–13.]
The Raptor is designed to carry air-to-air missiles in internal bays, both to avoid disrupting its
stealthcapability and to reduce drag resulting in higher top speeds and longer combat ranges. Launching missiles requires opening the weapons bay doors for less than a second, while the missiles are pushed clear of the airframe by hydraulic arms. The aircraft can also carry bombs compatible with the Joint Direct Attack Munition(JDAM) guidance system, and the new Small-Diameter Bomb(SDB). The Raptor carries an M61A2 Vulcan 20 mm rotary cannon, also with a trap door, in the right wing root. The M61A2 is a last ditch weapon, and carries only 480 rounds; enough ammunition for approximately five seconds of sustained fire. Despite this, the F-22 has been able to use its gun in dogfighting without being detected, which can be necessary when missiles are depleted.
The Raptor's very high sustained cruise speed and operational altitude add significantly to the effective range of both air-to-air and air-to-ground munitions. These factors may be the rationale behind the USAF's decision not to pursue long-range, high-energy air-to-air missiles such as the
MBDA Meteor. However, the USAF plans to procure the AIM-120D AMRAAM, which will have a significant increase in range compared to the AIM-120C. The Raptor launch platform provides additional energy to the missile which helps improve the range of air-to-ground ordnance. While specific figures remain classified, it is expected that JDAMs employed by F-22s will have twice or more the effective range of munitions dropped by legacy platforms."USAF Almanac." "AIR FORCE Magazine" May 2006.] In testing, a Raptor dropped a 1,000 lb (450 kg) JDAM from 50,000 feet (15,000 m), while cruising at Mach 1.5, striking a moving target convert|24|mi|km away. [http://www.upi.com/SecurityTerrorism/view.php?StoryID=20061121-062921-5185r "U.S. orders two dozen raptors for 2010."] United Press International, 22 November 2006.] The SDB, as employed from the F-22, should see even greater increases in effective range, due to the improved lift to drag ratio of these weapons.
While in its air-superiority configuration, the F-22 carries its weapons internally, though it is not limited to this option. The wings are capable of supporting four detachable
hardpoints. Each hardpoint is theoretically capable of handling convert|5000|lb|abbr=on of ordnance. However, use of external stores greatly compromises the F-22's stealth, and has a detrimental effect on maneuverability, speed, and range. As many as two of these hardpoints are "plumbed", allowing the usage of external fuel tanks. The hardpoints are detachable in flight allowing the fighter to regain its stealth once these external stores are exhausted. Currently, there is research being conducted to develop a stealth ordnance pod and hardpoints for it. Such a pod would comprise a stealth shape and carry its weapons internally, then would split open when launching a missile or dropping a bomb. Both the pod and hardpoints could be detached when no longer needed. This system would allow the F-22 to carry its maximum ordnance load while remaining stealthy, albeit at a loss of maneuverability.
Although several recent Western fighter aircraft are less detectable on radar than previous designs using techniques such as
radar absorbent material-coated S-shaped intake ducts that shield the compressor fan from reflecting radar waves, the F-22 design placed a much higher degree of importance on low observance throughout the entire spectrum of sensors including radar signature, visual, infrared, acoustic, and radio frequency.
The stealth of the F-22 is due to a combination of factors, including the overall shape of the aircraft, the use of radar absorbent material (RAM), and attention to detail such as hinges and pilot helmets that could provide a radar return. [http://www.globalsecurity.org/military/systems/aircraft/f-22-stealth.htm "F-22 Stealth."] "
Globalsecurity.org". Retrieved: 21 February 2007.] However, reduced radar cross section is only one of five facets that designers addressed to create a stealth design in the F-22. The F-22 has also been designed to disguise its infrared emissions to make it harder to detect by infrared homing("heat seeking") surface-to-air or air-to-air missiles. Designers also made the aircraft less visible to the naked eye, and controlled radio and noise emissions. The Raptor has an under bay carrier made for hiding heat from missile threats, like surface-to-air missiles. [ [http://www.f22-raptor.com/team/index.html F-22 team, responsibilities] ]
The F-22 apparently relies less on maintenance-intensive radar absorbent material and coatings than previous stealth designs like the F-117. These materials caused deployment problems due to their susceptibility to adverse weather conditions.Fulghum, D.A. "Away Game." "
Aviation Week & Space Technology". 8 January 2007.] Unlike the B-2, which requires climate-controlled hangars, the F-22 can undergo repairs on the flight line or in a normal hangar. Furthermore, the F-22 has a warning system (called "Signature Assessment System" or "SAS") which presents warning indicators when routine wear-and-tear have degraded the aircraft's radar signature to the point of requiring more substantial repairs. The exact radar cross sectionof the F-22 remains classified.
The aircraft has integral position and anti-collision lighting (including strobes) on the wings, compatible with stealth requirements, supplied by
Goodrich Corporation. The low voltage electroluminescent formation lights are located on the aircraft at critical positions for night flight operations (on both sides of the forward fuselage under the chin, on the tip of the upper left and right wings, and on the outside of both vertical stabilizers). There are similar air refueling lights on the butterfly doors that cover the air refueling receptacle.
Intended to be the leading American advanced tactical fighter in the early part of the 21st century, the Raptor is an expensive fighter with an incremental cost of about US$138 million per unit. The number of aircraft to be built has dropped to 183, down from the initial requirement of 750. Part of the reason for the decrease in the requirement is that the
F-35 Lightning IIuses much of the technology used on the F-22, but at a much more affordable price. To a large extent the cost of these technologies is lower for the F-35 only because they have already been developed for the F-22.
YF-22 "Lightning II"
The prototype YF-22 won a fly-off competition against the
Northrop/ McDonnell-DouglasYF-23 for the Advanced Tactical Fighter contract. In April 1992 during flight testing after contract award, test pilot Tom Morgenfeld escaped without injury when the first YF-22 prototype that he was flying crashed while landing at Edwards Air Force Basein California. The cause of the crash was found to be a flight control software errorthat failed to prevent a pilot-induced oscillation. [ [http://www.f-22raptor.com/index_airframe.php#1992 F-22 Timeline] ]
The YF-22 was a developmental aircraft that led to the F-22; however, there are significant differences between the YF-22 and the F-22. Relocation of cockpit, structural changes, and many other smaller changes exist between the two types." [http://www.globalsecurity.org/military/systems/aircraft/images/f-22_yf-22_comp.jpgYF-22/F-22A comparison diagram] ".
GlobalSecurity.org.] The two are sometimes confused in pictures, often at angles where it is difficult to see certain features. For example, there are some F-22 with pitot booms which some think are only found on the YF-22.
The YF-22 was originally given the unofficial name "Lightning II", after the
World War IIfighter P-38, by Lockheed, which persisted until the mid-1990s when the USAF officially named the aircraft "Raptor". For a short while, the aircraft was also dubbed "SuperStar" and "Rapier". [ [http://www.aerospaceweb.org/question/history/q0221.shtml Military Aircraft Names] ] The F-35 later received the "Lightning II" name on 7 July 2006." [http://www.jsf.mil/downloads/documents/JSF_F-35_2006_Inauguration%20Press%20Release.doc Lockheed Martin Joint Strike Fighter Officially Named 'Lightning II.'] " Official Joint Strike Fighter program office press release. 7 July 2006.]
F-22 Raptor to F/A-22 and back again
The production model was formally named F-22 "Raptor" when the first production-representative aircraft was unveiled on
9 April1997 at Lockheed-Georgia Co., Marietta, Georgia. First flight occurred on 7 September 1997.
In September 2002, Air Force leaders changed the Raptor’s designation to F/A-22. The new designation, which mimicked that of the Navy’s
F/A-18 Hornet, was intended to highlight plans to give the Raptor a ground-attack capability amid intense debate over the relevance of the expensive air-superiority jet. This was later changed back to simply F-22 on 12 December2005. On 15 December 2005, the F-22A entered service. [http://www.defensenews.com/story.php?F=1413697&C=america "U.S. To Declare F-22 Fighter Operational"] . " Agence France-Presse", 15 December 2005.]
Testing of the F-22 began in 1997 and has been curtailed to save program costs, but risks hiding flaws until a point at which fixing flaws becomes unaffordable. [http://www.gao.gov/archive/1995/ns95059.pdf "Tactical Aircraft: Concurrency in Development and Production of F-22 Aircraft Should Be Reduced"] . General Accounting Office. April, 1995.] The U.S. General Accounting Office cautioned, "Moreover, engine and stealthiness problems already disclosed by the DoD, and the potential for avionics and software problems, underscore the need to demonstrate the weapon system’s performance through flight testing before significant commitments are made to production."
Raptor 4001 was retired and sent to Wright-Patterson AFB to be fired at for testing the fighter's survivability. Usable parts of 4001 would be used to make a new F-22. Another engineering and manufacturing development (EMD) F-22 was also retired and likely to be sent to be rebuilt. A testing aircraft was converted to a maintenance trainer at Tyndall AFB. [http://www.f-22raptor.com/news_view.php?nid=201&yr=2006 "Tyndall AFB receives F-22 maintenance trainer"] . USAF
325th Fighter WingPublic Affairs. 29 April 2006.]
On 3 May 2006, a report was released detailing a problem with a forward titanium boom on the aircraft that was not properly heat treated. Officials are still investigating the problem which was caused by the boom portion not being subjected to high temperatures in the factory for long enough, causing the boom to be less
ductilethan specified and potentially shortening the lives of the first 80 or so F-22s. Work is underway to restore them to full life expectancy. [http://www.f-22raptor.com/news_view.php?nid=202&yr=2006 "Flaw Could Shorten Raptors' Lives"] . " Military.com". 4 April 2006.]
The F-22 fleet underwent modifications at Hill AFB, [ [http://www.f-22raptor.com/news_view.php?nid=192&yr=2006 "Hill begins modifications on F-22A Raptor"] . f-22raptor.com ] and at Edwards AFB near
In 2006, the Raptor's development team, composed of Lockheed Martin and over 1,000 other companies, plus the
United States Air Force, won the Collier Trophy, American aviation's most prestigious award. [ [http://www.naa.aero/html/awards/shwNews.cfm?newsid=302&cmsid=58 "F-22 Raptor Wins 2006 Collier Trophy."] "National Aeronautic Association".] The U.S Air Force will acquire F-22s that are to be divided among seven active duty combat squadrons, and jointly flown and maintained by three integrated Reserve and Air National Guard squadrons.
During Exercise Northern Edge in Alaska in June 2006, 12 F-22s of the 94th FS downed 108 adversaries with no losses in simulated combat exercises. In two weeks of exercises, the Raptor-led Blue Force amassed 241 kills against two losses in air-to-air combat, and neither Blue Force loss was an F-22.
This was followed with the Raptor's first participation in a Red Flag exercise. 14 F-22s of the 94th FS supported attacking Blue Force strike packages as well as engaging in close air support sorties themselves in Red Flag 07-1 between 3 February and 16 February 2007. Against designed superior numbers of Red Force Aggressor F-15s and F-16s, it established air dominance using eight aircraft during day missions and six at night, reportedly defeating the Aggressors quickly and efficiently, even though the exercise
rules of engagementallowed for four to five Red Force regenerations of losses but none to Blue Force. Further, no sorties were missed because of maintenance or other failures, and only one Raptor was adjudged lost against the virtual annihilation of the defending force. [The F-22 was "lost" when its victim exited the area, regenerated, and immediately reentered the engagement, with the Raptor pilot erroneously assuming it was still "dead".] When their ordnance was expended, the F-22s remained in the exercise area providing electronic surveillance to the Blue Forces. [http://www.afa.org/magazine/may2007/0507world.asp "Aerospace World: Red Flag Raptors"] "Air Force Magazine" May 2007. Retrieved: 9 February 2008.]
While attempting its first overseas deployment to the
Kadena Air Basein Okinawa, Japan, on 11 February 2007, a group of six Raptors flying from Hickam AFBexperienced multiple computer crashes coincident with their crossing of the 180th meridian of longitude(the International Date Line). The computer failures included at least navigation (completely lost) and communication. The fighters were able to return to Hawaii by following their tankers in good weather. The error was fixed within 48 hours and the F-22s continued their journey to Kadena. [ [http://www.af.mil/news/story.asp?storyID=123041567 "Lockheed's F-22 Raptor Gets Zapped by International Date Line: Raptors arrive at Kadena."] Air Force, 26 February 2007.]
The National Museum of the Air Force, on 30 April 2007, announced that EMD Raptor 91-4003 would be put on display later in 2007 [ [http://www.nationalmuseum.af.mil/news/story.asp?id=123051335 "Museum adds the world's first stealthy air dominance fighter to collection"] ] in the space being occupied by the YF-22. The Museum publicly unveiled its Raptor 91-4003 display on 18 January 2008. [ [http://www.af.mil/news/story.asp?id=123082881 "Museum unveils F-22 public display."] U.S. Air Force, 18 January 2008.]
In 2007, tests carried out by
Northrop Grumman, Lockheed Martin, and L-3 Communicationsenabled the AESA system of a Raptor to act like a WiFi access point, able to transmit data at 548 Megabit/sec and receive at Gigabitspeed; far faster than the current Link 16system used by US and allied aircraft, which transfers data at just over 1 Megabit/sec. [ [http://www.theregister.co.uk/2007/06/19/super_stealth_jet_acts_as_flying_wifi_hotspots/ "F-22 superjets could act as flying Wi-Fi hotspots."] " The Register", 19 June 2007.]
F-22A Raptors of the 90th Fighter Squadron performed their first intercept of two Russian Tu-95MS 'Bear-H' bombers in Alaska, on 22 November 2007. This was the first time that F-22s had been called to support a NORAD mission. [ [http://www.airforce-magazine.com/DRArchive/Pages/2007/December%202007/December%2014%202007/1025raptor.aspx "Raptors Perform First Intercept of Russian Bombers"] . AIR FORCE Magazine, Daily Report, 14 December 2007.]
On 12 December 2007, Gen.
John D.W. Corley, commander of Air Combat Command, officially declared the F-22s of the integrated active duty 1st Fighter Wing and Air National Guard 192nd FW fully operational, three years after the first Raptor arrived at Langley Air Force Base. [ [http://money.cnn.com/news/newsfeeds/articles/djf500/200712121305DOWJONESDJONLINE000806_FORTUNE5.htm "US Air Force: Raptor Stealth Fighter Jet Fully Operational."] ] [ [http://www.af.mil/news/story.asp?id=123079133 "F-22s at Langley receive FOC status."] ] This was followed from 13 April to 19 April 2008 by an Operational Readiness Inspection(ORI) of the integrated wing in which it received an "excellent" rating in all categories while scoring a simulated kill-ratio of 221-0. [ [http://www.langley.af.mil/news/story.asp?id=123095337 Langley earns "excellent' in ORI] ] The first pair of Raptors assigned to the 49th Fighter Wing became operational at Holloman Air Force Base, New Mexico, on 2 June. ["Air Force World", "AIR FORCE Magazine", July 2008, Vol. 91 No. 7, p. 20.]
In July 2008, F-22s were to be showcased in the 2008
Royal International Air Tattooair show at Fairford, [ [http://uk.reuters.com/article/technologyNews/idUKN0240136520080704 U.S. to showcase top fighter at UK air show] , Reuters, 3 July 2008.] but did not perform after the show was canceled due to bad weather. An F-22, however, performed on the first day of the Farnborough Airshowon 14 July 2008.
August 28, 2008, an F-22 from the 411th Flight Test Squadron performed in the first ever air-to-air refueling of an aircraft using synthetic jet fuel. The test was a part of the wider USAF effort to qualify all of its aircraft to use the fuel, a 50/50 mix of JP-8and a Fischer-Tropsch process-produced, natural gas-based fuel. For the tests, no modifications were made to the F-22 nor the KC-135 Stratotankerwhich performed the refueling. [Reyes, Julius Delos, "Edwards F-22 Raptor performs aerial refueling using synthetic fuel", "Desert Eagle" newspaper]
Under the Navalized Advanced Tactical Fighter (NATF) program, a carrier-borne variant of the F-22 with swing-wings was proposed for the U.S. Navy to replace the
F-14 Tomcat, though the program was subsequently cancelled in 1993. A two-seat F-22B trainer variant was planned, but was cut in 1996 to save development costs. [Pace 1999, p. 28.]
Another more recent proposal is the
FB-22, which would be used as a deep strike bomber for the USAF, but there has yet to be any word on whether the USAF plans further development of the program. Also, the X-44 MANTA, short for "multi-axis, no-tail aircraft", was a planned experimental aircraft based on the F-22 with enhanced thrust vectoringcontrols and no aerodynamic backup (i.e. the aircraft is controlled solely by thrust vectoring, without rudders, ailerons, or elevators). Funding for the program was halted in 2000. [http://www.nasaexplores.com/show2_articlea.php?id=03-065 "X-Planes Explained", "NASAExplores"] ]
United States Air Forcehas 122 F-22s in its active inventory as of July 2008. These are operated by the following commands.
Air Education and Training Command
325th Fighter Wing, Tyndall Air Force Base, Florida
43d Fighter Squadron- The only USAF squadron to operate F-22As at Tyndall AFB, Florida. The 43d was re-established at Tyndall in 2002, and, in 2003, with a corps of 15 Raptor Instructor Pilots, began training student Raptor pilots. The 43d continues to produce new Raptor pilots and serves as the focal point for all F-22 training of pilots and maintainers. [http://www.af.mil/news/airman/1203/world.html "F/A-22 Raptor arrives at Tyndall."] . Retrieved: 20 January 2007.]
Air Combat Command
1st Fighter Wing, Langley Air Force Base, Virginia.
27th Fighter Squadron- The first combat F-22 squadron. Began conversion in December 2005 after receiving sufficient numbers of trained Raptor pilots and flew the first F-22A operational mission (January 2006 in support of Operation Noble Eagle). [http://www.af.mil/news/story.asp?id=123038268 "Langley receives last Raptor, completes fleet."] . Retrieved: 25 March 2008.]
94th Fighter Squadron- Full complement as of 19 January 2007.
49th Fighter Wing, Holloman AFB, New Mexico. [Lockheed Martin Press Release 6 June 2008]
7th Fighter Squadron
53d Wing, Eglin Air Force Base, Florida.
422d Test and Evaluation Squadron- The "Green Bats" are responsible for operational testing, tactics development and evaluation for the F-22. [http://www.af.mil/news/story.asp?id=123013572 "F-22A Raptor goes operational."] . Retrieved: 25 March 2008.]
Air Force Material Command
412th Flight Test Squadron- Conducts developmental tests of F-22 enhancements and modernization.
Pacific Air Forces
3d Wing, Elmendorf Air Force Base, Alaska.
90th Fighter Squadron- Converted from F-15Es to F-22s; first F-22A arrived 8 August 2007. [ [http://www.lockheedmartin.com/wms/findPage.do?dsp=fec&ci=18517&rsbci=0&fti=111&ti=0&sc=400 "Lockheed Martin F-22 Raptor Air Dominance Fighters Begin Operational Service In Alaska."] Dead link|date=July 2008Lockheed Martin, 8 August 2007.] [ [http://www.af.mil/news/story.asp?id=123063874 "Elmendorf welcomes F-22 Raptor."] , USAF Press, 8 August 2007.]
525th Fighter Squadron- Activated on 30 October 2007 - second of two active duty F-22 squadrons in the 3d Wing.
477th Fighter Group, Elmendorf Air Force Base, Alaska. (Air Force Reserve Command). Jointly flies and maintains aircraft assigned to the 3rd Wing.
302d Fighter Squadron- Converted from F-16s at Luke Air Force Baseand moved to Elmendorf AFB.
Air National Guard
192d Fighter Wing- Virginia Air National Guard.
***149th Fighter Squadron - Transitioned from F-16s and moved from
Richmond International Airport, Richmond, VAto Langley AFB, Virginia. Jointly flies and maintains aircraft assigned to the 1st Fighter Wing.
Future bases and units will include:
154th Wing, Hickam AFB, Hawaii. (2009/2010)
199th Fighter SquadronHawaii Air National Guard squadron to jointly fly and maintain 531st FS aircraft.
531st Fighter Squadron, Hickam AFB, Hawaii.
44th Fighter Group, Holloman AFB, NM (AFRC)
301st Fighter SquadronAFRC squadron to jointly fly and maintain 49th FW aircraft.
pecifications (F-22 Raptor)
plane or copter=plane
jet or prop?=jet
ref=USAF, F-22 Raptor Team web site, [http://www.f22-raptor.com/technology/data.html "Flight Test Data."] F-22 Raptor team. Retrieved: 18 April 2006.] Lockheed Martin, [http://www.lockheedmartin.com/products/f22/f-22-specifications.html F-22 Raptor Specifications] , Lockheed Martin. Retrieved: 16 June 2008.] "Aviation Week", and "Journal of Electronic Defense"
length main=62 ft 1 in
length alt=18.90 m
span main=44 ft 6 in
span alt=13.56 m
height main=16 ft 8 in
height alt=5.08 m
area main=840 ft²
area alt=78.04 m²
airfoil=NACA 64A?05.92 root, NACA 64A?04.29 tip
empty weight main=43,430 lb
empty weight alt=19,700 kg
loaded weight main=64,460 lb
loaded weight alt=29,300 kg [http://www.lockheedmartin.com/products/f22/f-22-specifications.html empty weight+ 8200 kg(fuel) + 1142 kg (6 AMRAAM + 2 AIM-9X) + 292 kg (munition for the canon)]
max takeoff weight main=83,500 lb
max takeoff weight alt=38,000 kg
engine (jet)=Pratt & Whitney F119-PW-100
type of jet=Pitch Thrust vectoring
number of jets=2
thrust main=35,000+ lb
thrust alt=156+ kN
afterburning thrust main=
afterburning thrust alt=
max speed main=
** At altitude: Mach 2.25 (1,500 mph, 2,410 km/h)Ayton, Mark. "F-22 Raptor". "
Air Forces Monthly", August 2008, p. 75. Retrieved: 19 July 2008.]
Supercruise: Mach 1.82 (1,220 mph, 1,963 km/h)
max speed more=
cruise speed main=
cruise speed alt=
cruise speed more=
ferry range main=2,000 mi
ferry range alt=1,738 nmi, 3,219 km
range main=1,600 nmi
range alt=1,840 mi, 2,960 km
range more=with 2 external fuel tanks
combat radius main=410 nmi
combat radius alt=471 mi, 759 km
combat radius more=
ceiling main=65,000 ft
ceiling alt=19,812 m
climb rate main=
climb rate alt=
loading main=66 lb/ft²
loading alt=322 kg/m²
more performance= *Maximum "g"-load: -3.0/+9.0 g
* Guns: 1× 20 mm (0.787 in) M61A2 Vulcan
gatling gunin starboard wing root, 480 rounds
* Air to air loadout:
* Air to ground loadout:
AIM-9 Sidewinder"and one of the following:"
*** 2× convert|1000|lb|abbr=on JDAM "or"
Wind Corrected Munitions Dispensers (WCMDs) "or"
*** 8× convert|250|lb|abbr=on
GBU-39 Small Diameter Bombs
*Additionally, four external hardpoints can be fitted to carry weapons or fuel tanks, each with a capacity of about 5,000 lb (2268 kg). [ [http://www.globalsecurity.org/military/systems/aircraft/f-22-weapons.htm F-22 Raptor Weapons] , globalsecurity.org, 21 January 2008. Retrieved 13 June 2008.]
* RWR (
Radar warning receiver): 250 nmi (463 km) or more
Radar: 125-150 miles (200-240 km) against 1 m² targets (estimated range)
The F-22 has been featured in numerous books, such as
Tom Clancy's " Debt of Honor" (1994) [Clancy, Tom. "Debt of Honor". Thorndike, Maine: Thorndike Press, 1994. ISBN 0-7862-0335-8. A lengthy mission by F-22s dominates the last part of the book.] and "Fighter Wing" (1995) [ Clancy, Tom. " Fighter Wing: A Guided Tour of an Air Force Combat Wing". New York: Berkley Books, 1995. ISBN 0-425-14957-9. The F-22 features as a major new combat aircraft in the non-fiction book.] as well as Clive Cussler's "Dark Watch" (2005) [ Cussler, Clive. "Dark Watch". New York: Berkley Books, 2005. ISBN 0-425-20559-2. In the book, an F-22 embarks on a secret mission to take out a Syrian foe ] and Daymon Andrews' "The Sword and the Star: Temple Mount" (2008). [Andrews, Daymon. "The Sword and the Star: Temple Mount". Mustang, Oklahoma: Tate Publishing and Enterprises, 2008. ISBN 978-1-6024729-7-6. In the opening chapters F-22s attack Iranian nuclear facilities and later play a decisive role in combat between U.S., Israeli and Muslim forces.]
The F-22 made its major
Hollywooddebut in the 2007 film "Transformers" [Miles, Donna. [http://www.af.mil/news/story.asp?id=123056463 "Movie makers team with military to create realism."] American Forces Press Service, 21 June 2007.] as the form taken by the Decepticon character Starscream in addition to numerous USAF fighters that engaged during the initial and climactic battles. The movie crew was allowed to film actual Raptors in flight, unlike previous computer-generatedappearances, because of the military's support of director Michael Bay. The Raptors were filmed at Edwards Air Force Base. [ Michael Bay's DVD audio commentaryfor "Transformers", 2007, Paramount/ DreamWorks]
F-35 Lightning II
List of fighter aircraft
List of Lockheed aircraft
List of military aircraft of the United States
Advanced Tactical Fighter
* 5th generation jet fighter
* Crosby, Francis. "Fighter Aircraft". London: Lorenz Books, 2002. ISBN 0-7548-0990-0.
* Miller, Jay. "Lockheed Martin's Skunk Works: The Official History..." (updated edition). Leicester, UK: Midland Publishing Ltd., 1995. ISBN 1-85780-037-0.
* Pace, Steve. "F-22 Raptor". New York: McGraw-Hill, 1999. ISBN 0-07-134271-0.
* Pace, Steve. "X-Fighters: USAF Experimental and Prototype Fighters, XP-59 to YF-23". Oscela, Wisconsin: Motorbooks International, 1991. ISBN 0-87938-540-5.
* Sweetman, Bill. "Fighter EW: The Next Generation." "
Journal of Electronic Defense", Volume 23, issue 7, July 2000.
* Williams, Mel, ed. "Superfighters: The Next Generation of Combat Aircraft". London: AIRtime Publishing Inc., 2002. ISBN 1-880588-53-6.
* [http://www.f22-raptor.com/ F-22 official team web site]
* [http://oea.larc.nasa.gov/PAIS/Partners/F_22.html F-22 page on NASA Langley site]
* [http://www.globalsecurity.org/military/systems/aircraft/f-22.htm F-22 page on GlobalSecurity.org]
* [http://www.f22fighter.com/ F-22 Raptor site - f22fighter.com]
* [http://www.codeonemagazine.com/archives/1998/articles/apr_98/apra_98.html History of the F-22 program on codeonemagazine.com]
* [http://www.f-22raptor.com/ F-22 Raptor site - f-22raptor.com]
* [http://www.fas.org/man/crs/RL31673.pdf F-22 Raptor]
Congressional Research Servicereport, 5 January 2005
* [http://fighter-planes.com/info/f22.htm F-22 Raptor page with YF-22/F-22 comparison on fighter-planes.com]
* [http://www.ausairpower.net/raptor.html F-22 Raptor on ausairpower.net]
* [http://www.reviewjournal.com/lvrj_home/2004/Dec-21-Tue-2004/news/25519701.html Stealth fighter crashes December 2004 article from the "Las Vegas Review-Journal"]
* [http://www.ausairpower.net/API-Metz-Interview.html Interview - F-22 Chief Test Pilot, Paul Metz, 1998]
* [http://www.kbvp.com/extreme-videos/f-22-raptor Unique Flight Demonstration video - 2007 Capital Airshow in Sacramento - with narrative by F-22 pilot Paul "Max" Moga]
* [http://www.lockheedmartin.com/news/press_releases/2008/060608ae_f22operations.html "Lockheed Martin F-22 Raptor Air Dominance Fighters Begin Operations In New Mexico"] , Lockheed Martin, 6 June 2008
* [http://www.airforce-technology.com/projects/f22/ F-22A Raptor project information on airforce-technology.com]
* [http://news.bbc.co.uk/2/hi/business/7510364.stm F-22 Raptor wows Farnborough air show, BBC report from 17 July 2008]
* [http://www.airliners.net/photo/USA---Air/Lockheed-Martin-F-22A/1387636/M/ Picture of a Raptor, showing her weapon bays as she flies by the crowd in a speedy pass.]
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