KC-X

KC-X program
The Boeing KC-46 Pegasus, the winner of the KC-X program
General information
Project forAerial refueling tanker aircraft
Issued byUnited States Air Force
ProposalsAirbus A330 MRTT
Boeing KC-767
Antonov An-112KC
PrototypesBoeing KC-767
Airbus A330 MRTT
History
Concluded2011
OutcomeRound 1: EADS/Northrop Grumman KC-45 selected for production, but result protested
Round 2: Boeing KC-46 Pegasus selected for production, no protest
PredecessorsCommercial Derivative Air Refueling Aircraft

KC-X was the United States Air Force (USAF) program to procure its next-generation aerial refueling tanker aircraft to replace some of their older Boeing KC-135 Stratotankers. The contest was for a production contract for 179 new tankers with estimated value of US$35 billion. The two contenders to replace the KC-135 aircraft were Boeing and EADS, following the elimination of US Aerospace, Inc. from the bidding process.[1]

The KC-X program followed earlier attempts by the USAF to procure a new tanker. A 2002 plan had the USAF leasing Boeing KC-767 tankers, followed by a 2003 modification where the USAF would buy most of the KC-767 aircraft and lease several more of them. Corruption investigations revealed wrongdoing in the award of the contract and the contract was canceled in 2005, setting the stage for the KC-X program.

The USAF issued the KC-X request for proposal in January 2007,[2] then selected the Northrop Grumman/EADS team and their Airbus A330 MRTT-based tankers in February 2008.[3] In June 2008, the U.S. Government Accountability Office sustained a protest by Boeing on the award of the contract.[4][5] In July 2008, the U.S. Defense Department reopened the bidding process,[6] but canceled the KC-X solicitation in September 2008.[7] In September 2009, the USAF began the first steps toward accepting new bids.[8] In March 2010, Northrop Grumman announced that it would pull out of the bidding process.[9] Despite Northrop Grumman's withdrawal, EADS decided to remain in the ongoing competition alone.[10] The Air Force selected Boeing's KC-46 bid on 24 February 2011.[11]

Background

The initial plan was to lease Boeing KC-767 tankers on a sole-source basis; Boeing is the only American company with the requisite industrial capability to manufacture large-body aircraft. As such, the KC-767 was selected in 2002[12] in 2003 Boeing was awarded a US$20 billion contract to lease KC-767 tankers to replace the KC-135.

Led by Senator John McCain, several US government leaders protested the lease contract as wasteful and problematic. In response to the protests, the Air Force struck a compromise in November 2003, whereby it would purchase 80 KC-767 aircraft and lease 20 more.[13]

However, in December 2003, the Pentagon announced the project was to be frozen while an investigation of allegations of corruption by one of its former procurement staffers, Darleen Druyun (who had moved to Boeing in January 2003) was begun. Druyun pleaded guilty of criminal wrongdoing and was sentenced to nine months in prison for "negotiating a job with Boeing at the same time she was involved in contracts with the company".[14] Additional fallout included the termination of CFO Michael M. Sears, who received a four-month prison sentence,[15] the resignation of Boeing CEO Philip M. Condit,[16][17] and Boeing paying $615 million in fines.[18] In January 2006, the lease contract was formally canceled.[19]

Proposals

Initial competition

The USAF then began the KC-X tanker replacement program. The DoD posted a request for proposal on 30 January 2007.[2] The U.S. Air Force's main requirements are "fuel offload and range at least as great as the KC-135", airlift capability, ability to take on fuel in flight, and multi-point refueling capability.[2]

Two manufacturers expressed interest in producing this aircraft. The team of Northrop Grumman and EADS/Airbus proposed a version of the Airbus A330 Multi Role Tanker Transport (MRTT), based on the Airbus A330-200.[20] Boeing proposed a version of the KC-767, based on the Boeing 767.[21] The Seattle Times commented on the pre-final designs in February 2007: "Northrop has been viewed as the underdog, with a heavier, less fuel efficient aircraft. The Airbus tanker would have a maximum fuel capacity of 200,000 pounds. Northrop spokesman Randy Belote said Northrop's K-30 would tack on roughly 20 percent in fuel capacity."[22]

Both competitors submitted their tanker proposals before 12 April 2007 deadline.[23][24] In September 2007, the USAF dismissed having a mixed fleet of new tankers from both Boeing and Northrop Grumman as being unfeasible because of increased costs from buying limited numbers of two types annually.[25] In December 2007, it was announced that the KC-X tanker would be designated KC-45A regardless of which design wins the competition.[26] The DoD anticipated that the KC-45A would start to enter service in 2013.[27]

On 3 January 2008, the competitors submitted final revisions of their proposals to the U.S. Air Force.[28] On 29 February 2008, the DoD announced the selection of the Northrop Grumman/EADS's KC-30.[29]

On 11 March 2008, Boeing filed a protest with the Government Accountability Office (GAO) of the award of the contract to the Northrop Grumman/EADS team. Boeing stated that there are certain aspects of the USAF evaluation process that have given it grounds to appeal.[30][31] The protest was upheld by the GAO on 18 June 2008, which recommended that the Air Force rebid the contract.[4][5]

Expedited recompetition

On 9 July 2008, the Defense Secretary Robert Gates put the tanker contract in an "expedited recompetition" with Defense Undersecretary John Young in charge of the selection process instead of the Air Force.[6] A draft of the revised RFP was provided to the contractors on 6 August 2008 for comments with the revised RFP to be finalized by mid-August. Proposals would be due in October 2008 and selection was to be done by the end of 2008.[32][33][34] In mid-August, there was speculation that Boeing was considering a "no bid" position.[35] On 21 August 2008 Boeing asked the DoD for an additional four months to submit a proposal centered on a larger aircraft,[36] but they opposed further delay.[37] Then on 10 September 2008, Defense Secretary Robert Gates decided that the new competition could not be fairly completed before the end of 2008. The DoD canceled the request for proposals and delayed the decision on when to issue another request until the new presidential administration was in office.[7][38][39][40]

Restarted competition

Deputy Secretary of Defense William Lynn, speaks about KC-X at a press conference at the Pentagon on 24 September 2009.

On 16 September 2009, Secretary Gates announced a renewed effort for the KC-X program. The selection process will be under the Air Force with a "robust oversight role" by the Office of the Secretary of Defense (OSD) to prevent a repeated failure.[41][42] On 25 September 2009 the USAF issued a draft request for proposals (RFP) seeking comments for the official tanker replacement RFP.[43] The RFP for a fixed-price contract specified 373 requirements for the new plane, and stated that the price of each tanker would be adjusted to reflect how much it would cost to operate over 40 years and how well it would meet various war-fighting needs. The initial contract would be for 179 aircraft for $35 billion.[44][45][46] Northrop Grumman/EADS team claimed the requirement was advantaging Boeing and threatened to withdraw from the competition on 1 December 2009.[47][48][49]

The fiscal 2011 Defense Department budget relegated $864 million in research and development money. A contract award was expected in summer 2010.[50] On 24 February 2010, the US Air Force released the revised request for proposal (RFP) for KC-X. The RFP called for the KC-X tanker to first fly in 2012 and aircraft deliveries to begin in 2013.[51]

On 8 March 2010, Northrop Grumman followed through with their earlier threat and decided to not submit a bid for the KC-X tanker stating that they believed the new evaluation methodology favored Boeing's smaller tanker.[9][52] EADS, however announced on 20 April 2010, that it was re-entering the competition on a stand-alone basis and intended to bid the KC-30 with final assembly to take place in Mobile, Alabama as planned under its prior teaming arrangement with Northrop Grumman.[53] On 18 June 2010, the USAF announced that the decision would be delayed until November 2010.[54]

On 1 July 2010, a surprise third bidder, consisting of the team of US Aerospace and the Ukrainian manufacturer Antonov announced its intention to bid in the competition. The two firms announced that they would be interested in supplying up to three types of aircraft to the United States Air Force. The types reportedly being offered were the four-engined An-124 and a twin-engined variant of the aircraft, the An-122. The third aircraft to be offered was known as the An-112.[55][56] The An-112 tanker is a version of the Antonov An-70, except with two jet engines. This tanker was proposed in the team's bid.[57]

By 9 July 2010 bids from Boeing, EADS and US Aerospace/Antonov were submitted to the Air Force.[58] However, the Air Force rejected the US Aerospace bid for allegedly arriving five minutes after the deadline, which US Aerospace disputed. US Aerospace filed separate protests with the U.S. Government Accountability Office (GAO) on 2 August and 1 September.[57][59] The U.S. Air Force proceeded with source selection while GAO investigated.[60] The GAO dismissed U.S. Aerospace's protest on 6 October.[61]

In November 2010, the USAF mistakenly sent technical reviews of the other side's bids to each of the two remaining teams.[62] At this time contract selection was postponed from late December 2010 until early 2011.[63]

Boeing and EADS submitted their final bids on 10 February 2011.[64] On 24 February 2011, Boeing's KC-767 proposal was selected as the winning offer. The tanker will be designated the KC-46A.[65] EADS North America chairman Ralph Crosby declined to protest the award saying that Boeing's bid was "very, very, very aggressive" and carried a high risk of losing money for the company.[66] Loren B. Thompson of the Lexington Institute agreed that Boeing's bid was very aggressive due to the Air Force's fixed-price contract strategy.[67]

Projected follow-on programs

  • KC-Y Bridge Tanker Competition to replace KC-10.[68] Contenders: KC-46 and Airbus A330 MRTT/Lockheed Martin LMXT. In October 2023, Lockheed Martin withdrew, leaving Airbus to make the bid alone.[69]
  • KC-Z (Next Generation Air-Refueling System (NGAS)) to replace KC-135Rs[70] with possible stealth characteristics[71][72][73]

Specifications

There were three different bids proposed in July 2010. EADS proposed the Airbus A330 MRTT/KC-30, Boeing proposed the KC-767, while the Antonov/US Aerospace team's bid was the An-112KC.

Specifications of KC-135 and tendered replacements[74][75][76][77][78][79][80]
KC-135R A330 MRTT / KC-30 KC-767 Advanced Tanker
(based on 767-200LRF)
An-112KC
Length 136 ft 3 in (41.5 m) 192 ft 11 in (58.8 m) 159 ft 2 in (48.5 m) 131 ft 5 in (40.1 m)
Height 41 ft 8 in (12.7 m) 57 ft 1 in (17.4 m) 52 ft (15.8 m) 53 ft 2 in (16.2 m)
Wingspan 130 ft 10 in (39.9 m) 197 ft 10 in (60.3 m) 156 ft 1 in (47.6 m) 166 ft 2 in (50.6 m)
Fuselage width 12 ft (3.66 m) 18 ft 6 in (5.64 m) 16 ft 6 in (5.03 m) 17 ft 1 in (5.21 m)
Fuselage height 14 ft (4.27 m) 18 ft 6 in (5.64 m) 17 ft 9 in (5.41 m)
Engines 4 x CFM International CFM56 2 x Pratt & Whitney PW4170, RR Trent 700 or
GE CF6-80 turbofans
2 x Pratt & Whitney PW4062 2 x Engine Alliance GP7277 or
Rolls-Royce Trent 972B- 84
Thrust 4 x 21,634 lbf (96.2 kN) 2 x 72,000 lbf (320 kN) 2 x 63,500 lbf (282 kN)
Passengers 80[81] 226–280[82] 190 300
Cargo 6 x 463L pallets 32 x 463L pallets 19 x 463L pallets 8 pallets
Maximum fuel capability 200,000 lb (90,700 kg)[83] 250,000 lb (113,000 kg) greater than 202,000 lb (91,600 kg) 139,000 lb (63,000 kg)
Max. takeoff fuel load Approximately 200,000 lb (90,700 kg)[83] 245,000 lb (111,000 kg)[74] greater than 202,000 lb (91,600 kg) 139,000 lb (63,000 kg)
Range 11,015 nmi (12,680 mi; 20,400 km)[83] 6,750 nmi (7,768 mi; 12,500 km) 6,590 nmi (7,584 mi; 12,200 km) 6,800 nmi (7,825 mi; 12,590 km)
Cruise speed Mach 0.79 (530 mph or 853 km/h) Mach 0.82 (534 mph or 859 km/h) Mach 0.80 (530 mph or 853 km/h)
Maximum speed Mach 0.90 (600 mph or 966 km/h) Mach 0.86 (570 mph or 917 km/h) Mach 0.86 (570 mph or 917 km/h)
Max. takeoff weight 322,500 lb (146,300 kg) 507,000 lb (230,000 kg) greater than 400,000 lb (180,000 kg) 364,000 lb (165,000 kg)
Max. landing weight 322,500 lb (146,300 kg),
normally 200,000 lb (91,000 kg)
396,800 lb (180,000 kg) 300,000 lb (140,000 kg)
Empty weight approx. 122,000 lb (55,000 kg) 263,700 lb (119,600 kg) 181,600 lb (82,400 kg) 164,000 lb (74,000 kg)

See also

References

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العلاقات الجنوب أفريقية الليختنشتانية جنوب أفريقيا ليختنشتاين   جنوب أفريقيا   ليختنشتاين تعديل مصدري - تعديل   العلاقات الجنوب أفريقية الليختنشتانية هي العلاقات الثنائية التي تجمع بين جنوب أفريقيا وليختنشتاين.[1][2][3][4][5] مقارنة بين البل�...

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Синелобый амазон Научная классификация Домен:ЭукариотыЦарство:ЖивотныеПодцарство:ЭуметазоиБез ранга:Двусторонне-симметричныеБез ранга:ВторичноротыеТип:ХордовыеПодтип:ПозвоночныеИнфратип:ЧелюстноротыеНадкласс:ЧетвероногиеКлада:АмниотыКлада:ЗавропсидыКласс:Пт�...

 

 

Voce principale: Associazione Calcio Mantova. Associazione Calcio MantovaStagione 1966-1967 Sport calcio Squadra Mantova Allenatore Giancarlo Cadé Presidente Andrea Zenesini Serie A9º Coppa ItaliaPrimo turno Maggiori presenzeCampionato: Spanio, Zoff (34)Totale: Spanio, Zoff (35) Miglior marcatoreCampionato: Di Giacomo (6)Totale: Di Giacomo (6) StadioStadio Danilo Martelli 1965-1966 1967-1968 Si invita a seguire il modello di voce Questa voce raccoglie le informazioni riguardanti l'...

Hindu temple in Cambodia Neak PeanThe central pond at Neak PeanReligionAffiliationHinduismDeityShivaLocationLocationAngkorCountryCambodiaLocation in CambodiaGeographic coordinates13°27′47″N 103°53′40″E / 13.46306°N 103.89444°E / 13.46306; 103.89444ArchitectureTypeKhmerCreatorJayavarman VIICompletedsecond half of the 12th century[1] This article contains Khmer text. Without proper rendering support, you may see question marks, boxes, or other symbol...

 

 

Swiss football club Football clubFC Nordstern BaselFull nameFootball Club Nordstern Basel 1901Founded1901GroundRankhofCapacity7,600CoachAndy WyssLeague4. liga FC Nordstern Basel is a football team from Basel, Switzerland. Currently playing in the Swiss 8th division, FC Nordstern Basel has spent 35 seasons in the Swiss top flight, last in 1982. They were runners-up in the Swiss league in 1924, 1927, and 1928.[1] History Nordstern Basel was founded in 1901. In the 1970s, the club experi...

 

 

War memorial in Battersea Park, London 24th Division War MemorialUnited KingdomFor the men of the 24th Division who were killed or who went missing in the First World WarUnveiled4 October 1924; 99 years ago (1924-10-04)Location51°28′49.91″N 0°9′13.44″W / 51.4805306°N 0.1537333°W / 51.4805306; -0.1537333Battersea Park, LondonDesigned byEric KenningtonXXIV DIVISION FRANCE 1914–1918 Listed Building – Grade II*Official nameWar memoria...

MonasBishop of Milanrelics of Saint Monas, Cathedral of MilanChurchCatholic ChurchIn officeend 3rd – early 4th centuryPredecessorCalimeriusSuccessorMiroclesSainthoodFeast day12 OctoberVenerated inCatholic Church Monas (Italian: Mona) was Bishop of Milan from the end 3rd-century to early 4th-century. He is honoured as a Saint in the Catholic Church and his feast day is on October 12.[1] Life Almost nothing is known about the life and the episcopate of Monas. He was elected as bis...

 

 

2016年美國總統選舉 ← 2012 2016年11月8日 2020 → 538個選舉人團席位獲勝需270票民意調查投票率55.7%[1][2] ▲ 0.8 %   获提名人 唐納·川普 希拉莉·克林頓 政党 共和黨 民主党 家鄉州 紐約州 紐約州 竞选搭档 迈克·彭斯 蒂姆·凱恩 选举人票 304[3][4][註 1] 227[5] 胜出州/省 30 + 緬-2 20 + DC 民選得票 62,984,828[6] 65,853,514[6]...

 

 

Частина серії проФілософіяLeft to right: Plato, Kant, Nietzsche, Buddha, Confucius, AverroesПлатонКантНіцшеБуддаКонфуційАверроес Філософи Епістемологи Естетики Етики Логіки Метафізики Соціально-політичні філософи Традиції Аналітична Арістотелівська Африканська Близькосхідна іранська Буддій�...

Questa voce o sezione sull'argomento automobili non cita le fonti necessarie o quelle presenti sono insufficienti. Puoi migliorare questa voce aggiungendo citazioni da fonti attendibili secondo le linee guida sull'uso delle fonti. Segui i suggerimenti del progetto di riferimento. La muscle car (letteralmente in italiano auto muscolosa) è un tipo di automobile ad alte prestazioni, con determinate caratteristiche e di successo, soprattutto negli Stati Uniti, come auto di serie supercar (...

 

 

1977 single by The Emotions Best of My LoveSingle by the Emotionsfrom the album Rejoice B-sideA Feeling IsReleasedJune 9, 1977 (1977-06-09)Genre Disco R&B soul gospel[1] Length3:42LabelColumbiaSongwriter(s) Maurice White Al McKay Producer(s) Maurice White Clarence McDonald The Emotions singles chronology I Don't Wanna Lose Your Love (1976) Best of My Love (1977) Don't Ask My Neighbors (1977) Music videoBest of My Love on YouTube Best of My Love is a song by American...

 

 

Economic policy proposal for full employment This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: Job guarantee – news · newspapers · books · scholar · JSTOR (November 2022) (Learn how and when to remove this message) Eleanor Roosevelt onsite one of the Works Progress Administration Projects, a job guarantee prog...

Halaman ini berisi artikel tentang pendeteksi sinyal. Untuk pembatasan komunikasi dan informasi, lihat Penyensoran. Untuk fungsi yang mirip dalam lingkup biologis, lihat Reseptor (biokimia). Sensor suhu ruangan jenis termokopel Sensor atau pengindra[1] adalah elemen yang mengubah sinyal fisik/kimia menjadi sinyal elektronik. Umumnya sensor dibentuk dari transduser yang telah mengubah besaran fisik atau kimia tersebut menjadi bentuk lain terlebih dahulu. Pada saat ini, sensor tersebut ...

 

 

Written and formal spoken German This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: Standard German – news · newspapers · books · scholar · JSTOR (March 2019) (Learn how and when to remove this message) Standard High GermanStandard German, High German, also often simply GermanStandardhochdeutsch, Standarddeutsc...

 

 

Fictional character Frank the PugMen in Black characterFrank the Pug in Men in Black II (2002)First appearanceMen in BlackPortrayed byMushuVoiced byTim Blaney (films and video game)Eddie Barth (animated series)In-universe informationSpeciesRemoolian (disguised as a Pug)GenderMaleOccupationMIB agent Frank the Pug is a fictional character from the Men in Black franchise, first seen in the 1997 film.[1] He has also appeared in the 2002 sequel, 2019 spin-off, the animated series and the v...

Electric power distribution system This article is about electric systems with 90° phase difference. For systems with two opposite (180°) live wires, see split-phase electric power. A simplified diagram of a two-phase alternator[1] Two-phase electrical power was an early 20th-century polyphase alternating current electric power distribution system. Two circuits were used, with voltage phases differing by one-quarter of a cycle, 90°. Usually circuits used four wires, two for each ph...

 

 

Brasil Open 2009Sport Tennis Data9 febbraio - 14 febbraio Edizione9a SuperficieCemento CampioniSingolare Tommy Robredo Doppio Marcel Granollers / Tommy Robredo 2008 2010 Il Brasil Open 2009 è stato un torneo di tennis giocato sul cemento nella categoria ATP World Tour 250 series nell'ambito dell'ATP World Tour 2009. È stata la 9ª edizione del Brasil Open. Si è giocatonel complesso Costa do Sauipe di Mata de São João,[1][2] in Brasile, dal 9 al 14 febbraio 2009. Indice 1 ...