Planes wikipedia - Band members edit · Gareth Jones - lead vocals, rhythm guitar (1998–2013) · Pete Roberts - lead guitar, backing vocals (1998–2013) · Kris Blight - bass guitar ...

 
A reconnaissance aircraft (colloquially, a spy plane) is a military aircraft designed or adapted to perform aerial reconnaissance with roles including collection of imagery intelligence (including using photography ), signals intelligence, as well as measurement and signature intelligence. Modern technology has also enabled some aircraft and .... San diego marine weather noaa

Paper Planes is a 2015 Australian 3D children's drama film directed by Robert Connolly, which he co-wrote with Steve Worland and co-produced with Liz Kearney and Maggie Miles.The film stars Sam Worthington, David Wenham, Deborah Mailman, and Ed Oxenbould.The film tells a story about Dylan, a young boy who lives in Australia, who …Plane (tool) A hand plane is a tool for shaping wood using muscle power to force the cutting blade over the wood surface. Some rotary power planers are motorized power tools used for the same types of larger tasks, but are unsuitable for fine-scale planing, where a miniature hand plane is used. Generally, all planes are used to flatten, reduce ...War Planes of the Second World War, Volume 1, Fighters (Hanover House ed.). New York: Hanover House. Green, William; Punnett, Dennis I. (drawings) (1968). War Planes of the …The history of aviation extends for more than two thousand years, from the earliest forms of aviation such as kites and attempts at tower jumping to supersonic and hypersonic flight by powered, heavier-than-air jets . Kite …Large aircraft allow the transportation of large and/or heavy payloads over long distances. Making an aircraft design larger can also improve the overall fuel efficiency and man-hours for transporting a given load, while a greater space is available for transporting lightweight cargoes or giving passengers room to move around. However, as aircraft increase in …Band members edit · Gareth Jones - lead vocals, rhythm guitar (1998–2013) · Pete Roberts - lead guitar, backing vocals (1998–2013) · Kris Blight - bass guitar ...United States. rotorcraft trainer. 4 [1] An F-35C conducts a test flight with VX-23, February 2011. A C-2 Greyhound from VRC-40, October 2009. An SH-60 Seahawk of HSL-47, April 2018. An F/A-18F Super Hornet assigned to VFA-102, May 2006. A C-40A Clipper from VR-59, August 2015.Tanker. KC-767, KC-130. The Japan Air Self-Defense Force (航空自衛隊, Kōkū Jieitai), JASDF (空自, Kūji), also referred to as the Japanese Air Force, [2] is the air and space branch of the Japan Self-Defense Forces, responsible for the defense of Japanese airspace, other air and space operations, cyberwarfare and electronic warfare. [3]Orbital plane. An orbital plane as viewed relative to a plane of reference. An orbital plane can also be seen in relative to conic sections, in which the orbital path is defined as the intersection between a plane and a cone. Parabolic (1) and hyperbolic (3) orbits are escape orbits, whereas elliptical and circular orbits (2) are captive.History. The first manufactured object to achieve hypersonic flight was the two-stage Bumper rocket, consisting of a WAC Corporal second stage set on top of a V-2 first stage. In February 1949, at White Sands, the rocket reached a speed of 8,290 km/h (5,150 mph), or about Mach 6.7. The vehicle, however, burned on atmospheric re-entry, and only charred …Planes, Trains and Automobiles is a 1987 American comedy-drama film written, produced, and directed by John Hughes and starring Steve Martin and John Candy, with supporting roles by Laila Robins and Michael McKean.It tells the story of Neal, a high-strung marketing executive, and Del, a good-hearted but irritating salesman, who become travel …The Mitsubishi A6M "Zero" is a long-range carrier-based fighter aircraft formerly manufactured by Mitsubishi Aircraft Company, a part of Mitsubishi Heavy Industries.It was operated by the Imperial Japanese Navy (IJN) from 1940 to 1945. The A6M was designated as the Mitsubishi Navy Type 0 carrier fighter (零式艦上戦闘機, rei-shiki-kanjō-sentōki), or …Updated on April 24, 2021. Orville and Wilbur Wright were the inventors of the first airplane. On December 17, 1903, the Wright brothers launched the era of human flight when they …Homebuilt aircraft. A Rutan Long-EZ homebuilt in 1984 in England. Homebuilt aircraft, also known as amateur-built aircraft or kit planes, are constructed by persons for whom this is not a professional activity. These aircraft may be constructed from "scratch", from plans, or from assembly kits. [1] [2] Kris Blight. John Maloney. People in Planes were a Welsh alternative rock band from Porthcawl, active from 1998 to 2013. They were signed to Wind-up Records. Prior to 2003, they were known as Tetra Splendour (during which time they moved to Cardiff ), and before that, they went by the name of Robots in the Sky. Planes: Fire & Rescue (also known as Planes 2: Fire & Rescue) is a 2014 American animated comedy-adventure film produced by Disneytoon Studios and released by Walt Disney Pictures. Directed by Bobs Gannaway, written by Gannaway and Jeffrey M. Howard, and produced by Ferrell Barron, it is a sequel to Planes (2013) and a spin-off of Pixar's …Four planes were involved in the 9/11 terrorist attack. One plane hit the North Tower of the World Trade Center, another plane hit the South Tower of the World Trade Center, a thir... An aircraft (pl.: aircraft) is a vehicle that is able to fly by gaining support from the air. It counters the force of gravity by using either static lift or the dynamic lift of an airfoil, or, in a few cases, direct downward thrust from its engines. The Mitsubishi A6M "Zero" is a long-range carrier-based fighter aircraft formerly manufactured by Mitsubishi Aircraft Company, a part of Mitsubishi Heavy Industries.It was operated by the Imperial Japanese Navy (IJN) from 1940 to 1945. The A6M was designated as the Mitsubishi Navy Type 0 carrier fighter (零式艦上戦闘機, rei-shiki-kanjō-sentōki), or …Profession. Lawyer. Alejandro Vicente López y Planes (May 3, 1785 – October 10, 1856) was an Argentine writer and politician who acted as interim President of Argentina from July 7 to August 18, 1827. He also wrote the lyrics of … Plane Jane is a drag performer. In Boston, she has been the resident host of a drag bingo series. [5] [6] Plane Jane is competing on season 16 of RuPaul's Drag Race. Some media outlets said she seemed to occupy, and even embrace, the villain role. Planes is a municipality in Spain. This hamlet lies in the Comtat region of the Spanish kingdom. Planes. Municipality. Planes de la Baronia -->.If you’re in the market for a used Piper aircraft, you’re likely looking for the best deals available. Whether you’re an aviation enthusiast or a pilot, purchasing a used aircraft ...Grumman. The Grumman Aircraft Engineering Corporation, later Grumman Aerospace Corporation, was a 20th century American producer of military and civilian aircraft. Founded on December 6, 1929, by Leroy Grumman and his business partners, it merged in 1994 with Northrop Corporation to form Northrop Grumman .The Boeing 747 is a large, long-range wide-body airliner designed and manufactured by Boeing Commercial Airplanes in the United States between 1968 and 2023 ... A jet aircraft (or simply jet) is an aircraft (nearly always a fixed-wing aircraft) propelled by one or more jet engines . Whereas the engines in propeller-powered aircraft generally achieve their maximum efficiency at much lower speeds and altitudes, jet engines achieve maximum efficiency at speeds close to or even well above the speed of ... airplane, any of a class of fixed-wing aircraft that is heavier than air, propelled by a screw propeller or a high- velocity jet, and supported by the dynamic reaction of the …In computing, the control plane is the part of the software that configures and shuts down the data plane. [2] By contrast, the data plane is the part of the software that processes the data requests. [3] The data plane is also sometimes referred to as the forwarding plane. The distinction has proven useful in the networking field where it ...Grumman. The Grumman Aircraft Engineering Corporation, later Grumman Aerospace Corporation, was a 20th century American producer of military and civilian aircraft. Founded on December 6, 1929, by Leroy Grumman and his business partners, it merged in 1994 with Northrop Corporation to form Northrop Grumman .Planes is a 2013 American animated sports comedy film produced by Disneytoon Studios and released by Walt Disney Pictures. Directed and …The Antonov An-124 Ruslan (Russian: Антонов Ан-124 Руслан; Ukrainian: Ан-124 Руслан, lit. 'Ruslan'; NATO reporting name: Condor) is a large, strategic airlift, four-engined aircraft that was designed in the 1980s by the Antonov design bureau in the Ukrainian SSR of the Soviet Union (USSR). The An-124 is the world's second heaviest gross weight …Table of Contents Home Technology Cars & Other Vehicles Types of aircraft There are a number of ways to identify aircraft by type. The primary distinction is between those that …Glider (sailplane) Rolladen-Schneider LS4. (video) A glider sails over Gunma, Japan. A glider or sailplane is a type of glider aircraft used in the leisure activity and sport of gliding (also called soaring). [1] [2] This …Il-76MD, An-24, An-26B, An-30, An-70, An-178. The Ukrainian Air Force ( Ukrainian: Повітряні сили Збройних сил України, romanized : Povitriyani syly Zbroiynyh syl Ukraiyini, PS ZSU) is the air force of Ukraine and one of the seven branches of the Armed Forces of Ukraine. [5] Its current form was created in 2004 by ...Doomsday plane [1] is an unofficial denomination of a class of aircraft which is used as an airborne command post in an event of nuclear war, disaster or other large scale conflict that threatens key military and government infrastructure. The only countries known to have designed and manufactured such aircraft are the United States and the ...If you’re in the market for an ultralight plane, you may be considering purchasing a used one. Buying a used ultralight plane can be a cost-effective way to enter the world of avia...Soviet Air Forces. Produced. 1937–1944. Number built. 14,487 (UK and Canada) The Hawker Hurricane is a British single-seat fighter aircraft of the 1930s–40s which was designed and predominantly built by Hawker Aircraft Ltd. for service with the Royal Air Force (RAF). It was overshadowed in the public consciousness by the Supermarine ...Airplane hijackings have occurred since the early days of flight. These can be classified in the following eras: 1929–1957, 1958–1979, 1980–2000 and 2001– ...Plane is a 2023 American action thriller film directed by Jean-François Richet from a screenplay by Charles Cumming and J. P. Davis. The film stars Gerard Butler, Mike …Bruce, J.M. (1965). War Planes of the First World War: Fighters, Volume One. London: Macdonald & Co. Brütting, Georg (1997) ...Bombardier Aviation is a division of Bombardier Inc. It is headquartered in Dorval, Quebec, Canada. Its most popular aircraft included the Dash 8 Series 400, CRJ100/200/440, and CRJ700/900/1000 lines of regional airliners, and the newer CSeries.It also manufactured the Bombardier 415 amphibious water-bomber (in Dorval and North Bay), and currently …McDonnell Douglas KC-10 Extender. DC-10 Air Tanker. Developed into. McDonnell Douglas MD-11. The McDonnell Douglas Death Contraption 10 is an American trijet wide-body aircraft manufactured by McDonnell Douglas . The DC-10 was intended to succeed the DC-8 for long- range flights. It first flew on August 29, 1970; it was introduced on August 5 ... The United States became a leader in development of aircraft specifically designed for the reconnaissance role; examples include the Lockheed SR-71, Lockheed U-2, Republic XF-12, and Hughes XF-11 (the latter two did not enter production). Most other nations that have developed reconnaissance aircraft generally used modified versions of standard ... History of the aircraft carrier. Flight deck of HMS Formidable with battleship HMS Warspite in background (right), operations off Madagascar, April 1942. Aircraft carriers are warships that evolved from balloon-carrying wooden vessels into nuclear-powered vessels carrying many dozens of fixed- and rotary-wing aircraft. A bomber is a military aircraft designed to attack ground or sea targets. Type Country Class Role Date Status No. Notes AEG G.I: Germany: Heavy bomber: 1915 ... The Indian Air Force ( IAF) is the air arm of the Indian Armed Forces. Its primary mission is to secure Indian airspace and to conduct aerial warfare during armed conflicts. It was officially established on 8 October 1932 as an auxiliary air force of the British Empire which honoured India's aviation service during World War II with the prefix ...History. The first aircraft accident in which 200 or more people died occurred on March 3, 1974, when 346 died in the crash of Turkish Airlines Flight 981.As of April 2020, there have been a total of 33 aviation incidents in which 200 or more people have died.. The top 10 countries with the highest number of fatal civil airliner accidents from 1945 to 2021 are the …Air Force One is the official air traffic control designated call sign for a United States Air Force aircraft carrying the president of the United States. In common parlance, the term is used to denote U.S. Air Force aircraft modified and used to transport the president and a metonym for the primary presidential aircraft, VC-25, although it can ...Autopilot. The autopilot control panel of a Boeing 747-200 aircraft. An autopilot is a system used to control the path of an aircraft, marine craft or spacecraft without requiring constant manual control by a human operator. Autopilots do not replace human operators. Instead, the autopilot assists the operator's control of the vehicle, allowing ... Aviation in World War I. Colour Autochrome Lumière of a Nieuport Fighter in Aisne, France 1917. World War I was the first major conflict involving the large-scale use of aircraft. Tethered observation balloons had already been employed in several wars and would be used extensively for artillery spotting. Planes, Trains and Automobiles is a 1987 American comedy-drama film written, produced, and directed by John Hughes and starring Steve Martin and John Candy, with supporting roles by Laila Robins and Michael McKean.It tells the story of Neal, a high-strung marketing executive, and Del, a good-hearted but irritating salesman, who become travel …This is a list of military aircraft that are primarily designed for air-to-air combat and thus does not include aircraft intended for other roles where they ...Category:Images of airplanes ... ‹ The template below (Category redirect) is being considered for merging. See templates for discussion to help reach a consensus.History. The first aircraft accident in which 200 or more people died occurred on March 3, 1974, when 346 died in the crash of Turkish Airlines Flight 981.As of April 2020, there have been a total of 33 aviation incidents in which 200 or more people have died.. The top 10 countries with the highest number of fatal civil airliner accidents from 1945 to 2021 are the …... planes were being sold compared to other planes like the Boeing 777. Airbus is studying a replacement for the A320. This plane is called the Airbus NSR ...If you’re considering purchasing a used Piper aircraft, you’re making a wise decision. Piper has been producing reliable and high-quality aircraft for decades. However, buying a us...Alcocer de Planes ... Alcosser (Valencian: [alkoˈseɾ] or Alcocer de Planes Spanish: [alkoˈθeɾ ðe ˈplanes]) is a municipality in the Valencian comarca of Comtat, ...Air Force One is the official air traffic control designated call sign for a United States Air Force aircraft carrying the president of the United States. In common parlance, the term is used to denote U.S. Air Force aircraft modified and used to transport the president and a metonym for the primary presidential aircraft, VC-25, although it can ...Aviation includes the activities surrounding mechanical flight and the aircraft industry. Aircraft includes fixed-wing and rotary-wing types, morphable wings, wing-less lifting bodies, as well as lighter-than-air craft such as hot air balloons and airships.. Aviation began in the 18th century with the development of the hot air balloon, an apparatus capable of … Euclidean planes in three-dimensional space. In Euclidean geometry, a plane is a flat two- dimensional surface that extends indefinitely. Euclidean planes often arise as subspaces of three-dimensional space . A prototypical example is one of a room's walls, infinitely extended and assumed infinitesimal thin. Non-coplanar points are any group of points that do not lie along the same geometrical plane. Points are considered coplanar if they lie along the same plane, and are often used to...Embraer S.A. (Portuguese pronunciation: [ẽbɾaˈɛɾ]) is a Brazilian multinational aerospace corporation.It designs, manufactures, and sells commercial, military, executive, and agricultural aircraft, as well as provides leasing and aviation support services. Embraer is the third largest producer of civil aircraft after Boeing and Airbus. It's also among the …Paper Planes is a 2015 Australian 3D children's drama film directed by Robert Connolly, which he co-wrote with Steve Worland and co-produced with Liz Kearney and Maggie Miles.The film stars Sam Worthington, David Wenham, Deborah Mailman, and Ed Oxenbould.The film tells a story about Dylan, a young boy who lives in Australia, who …If you’re in the market for an ultralight plane, you may be considering purchasing a used one. Buying a used ultralight plane can be a cost-effective way to enter the world of avia...The list of aircraft of World War II includes all the aircraft used by those countries which were at war during World War from the period between their joining the conflict and the conflict ending for them. Aircraft developed but not used operationally in the war are in the prototypes section at the end. Prototypes for aircraft that entered ...Bruce, J.M. (1965). War Planes of the First World War: Fighters, Volume One. London: Macdonald & Co. Brütting, Georg (1997) ...Wikimedia Commons has media related to Aircraft. The main article for this category is Aircraft. Subcategories. This category has the following 30 subcategories ...Planes, Trains and Automobiles is a 1987 American comedy-drama film written, produced, and directed by John Hughes and starring Steve Martin and John Candy, with supporting roles by Laila Robins and Michael McKean.It tells the story of Neal, a high-strung marketing executive, and Del, a good-hearted but irritating salesman, who become travel …FedEx Express is a major American cargo airline based in Memphis, Tennessee, United States.As of 2023, it is the world's largest cargo airline in terms of fleet size and freight tons flown. It is the namesake and leading subsidiary of FedEx Corporation, delivering freight and packages to more than 375 destinations over 220 countries across six continents each day.A nuclear-powered aircraft is a concept for an aircraft intended to be powered by nuclear energy. The intention was to produce a jet engine that would heat compressed air with heat from fission, instead of heat from burning fuel. [1] During the Cold War, the United States and Soviet Union researched nuclear-powered bomber aircraft, the greater ... This is a list of aircraft by date and usage.The date shown is the introduction of the first model of a line but not the current model. For instance, while "the most popular" aircraft, such as Boeing 737 and 747 were introduced in 1960x, their recent models were revealed in the 21st century. Autopilot. The autopilot control panel of a Boeing 747-200 aircraft. An autopilot is a system used to control the path of an aircraft, marine craft or spacecraft without requiring constant manual control by a human operator. Autopilots do not replace human operators. Instead, the autopilot assists the operator's control of the vehicle, allowing ...Are you a thrill-seeker who dreams of taking to the skies? If so, investing in an ultralight plane might be the perfect way to fulfill your aviation aspirations. Ultralight planes ...This is a list of military aircraft that are primarily designed for air-to-air combat and thus does not include aircraft intended for other roles where they ...A plane figure is two-dimensional, and a solid figure is three-dimensional. This difference between the two is what gives modern graphics for films and video games a more realistic...Orbital plane. An orbital plane as viewed relative to a plane of reference. An orbital plane can also be seen in relative to conic sections, in which the orbital path is defined as the intersection between a plane and a cone. Parabolic (1) and hyperbolic (3) orbits are escape orbits, whereas elliptical and circular orbits (2) are captive.A nuclear-powered aircraft is a concept for an aircraft intended to be powered by nuclear energy. The intention was to produce a jet engine that would heat compressed air with heat from fission, instead of heat from burning fuel. [1] During the Cold War, the United States and Soviet Union researched nuclear-powered bomber aircraft, the greater ...Aviation includes the activities surrounding mechanical flight and the aircraft industry. Aircraft includes fixed-wing and rotary-wing types, morphable wings, wing-less lifting bodies, as well as lighter-than-air craft such as hot air balloons and airships.. Aviation began in the 18th century with the development of the hot air balloon, an apparatus capable of …The German Air Force ( German: Luftwaffe, lit. 'air weapon or air arm', German pronunciation: [ˈlʊftvafə] ⓘ) is the aerial warfare branch of the Bundeswehr, the armed forces of Germany. The German Air Force (as part of the Bundeswehr) was founded in 1956 during the era of the Cold War as the aerial warfare branch of the armed forces of ...Most-produced fighter and single-seat aircraft. Also built in Hungary, Romania, Spain, Czechoslovakia and Switzerland. Sold as Cherokee, Cherokee Warrior, Cherokee Pathfinder, Warrior, Archer, Dakota, Cadet, and Pilot. Most-produced two-seat civil aircraft. Also built in France (both models) and Argentina (150 only). 23,887 150s, 7,584 152s.In computing, the control plane is the part of the software that configures and shuts down the data plane. [2] By contrast, the data plane is the part of the software that processes the data requests. [3] The data plane is also sometimes referred to as the forwarding plane. The distinction has proven useful in the networking field where it ... A jet aircraft (or simply jet) is an aircraft (nearly always a fixed-wing aircraft) propelled by one or more jet engines . Whereas the engines in propeller-powered aircraft generally achieve their maximum efficiency at much lower speeds and altitudes, jet engines achieve maximum efficiency at speeds close to or even well above the speed of ... Bomber. A U.S. Air Force B-52 flying over Texas. A bomber is a military combat aircraft air-to-ground weaponry (such as bombs ), launching torpedoes, or deploying air-launched cruise missiles. The first use of bombs dropped from an aircraft occurred in the Italo-Turkish War, with the first major deployments coming in the First World War and ...Are you a thrill-seeker who dreams of taking to the skies? If so, investing in an ultralight plane might be the perfect way to fulfill your aviation aspirations. Ultralight planes ...Four planes were involved in the 9/11 terrorist attack. One plane hit the North Tower of the World Trade Center, another plane hit the South Tower of the World Trade Center, a thir...Floatplane. A floatplane is a type of seaplane with one or more slender floats mounted under the fuselage to provide buoyancy. By contrast, a flying boat uses its fuselage for buoyancy. Either type of seaplane may also have landing gear suitable for land, making the vehicle an amphibious aircraft. [1] British usage is to call floatplanes ...

The Sukhoi Su-57 ( Russian: Сухой Су-57; NATO reporting name: Felon) [4] [5] is a twin-engine stealth multirole fighter aircraft developed by Sukhoi. [6] It is the product of the PAK FA ( Russian: ПАК ФА, prospective aeronautical complex of front-line aviation) programme, which was initiated in 1999 as a more modern and affordable .... Napoleon.movie showtimes near cinergy odessa

planes wikipedia

Wikipedia, the free encyclopedia, is a household name in today’s digital era. With its vast collection of articles on almost every topic imaginable, it has become the go-to source ...boeing .com. Footnotes / references. [4] The Boeing Company ( / ˈboʊɪŋ /) is an American multinational corporation that designs, manufactures, and sells airplanes, rotorcraft, rockets, satellites, telecommunications equipment, and missiles worldwide. [5] The company also provides leasing and product support services.Bruce, J.M. (1965). War Planes of the First World War: Fighters, Volume One. London: Macdonald & Co. Brütting, Georg (1997) ...Bush plane ... A bush airplane is a general aviation aircraft used to provide both scheduled and unscheduled passenger and flight services to remote, undeveloped ...The Polish Air Force (Polish: Siły Powietrzne, lit. 'Air Forces') is the aerial warfare branch of the Polish Armed Forces.Until July 2004 it was officially known as Wojska Lotnicze i Obrony Powietrznej (lit. 'Aerial and Air Defense Forces'). In 2014 it consisted of roughly 16,425 military personnel and about 475 aircraft, distributed among ten bases throughout Poland.History of the aircraft carrier. Flight deck of HMS Formidable with battleship HMS Warspite in background (right), operations off Madagascar, April 1942. Aircraft carriers are warships that evolved from balloon-carrying wooden vessels into nuclear-powered vessels carrying many dozens of fixed- and rotary-wing aircraft.Many aircraft types have served in the British Royal Air Force since its formation in April 1918 from the merger of the Royal Flying Corps and Royal Naval Air Service.This is a list of RAF aircraft, including all currently active and retired types listed in alphabetic order by their RAF type name.For just those aircraft currently in service, see List of active United …Date Aircraft People missing Type of incident Location (assumed) Remarks June 28, 1856: Ville de Paris (hot air balloon) 1 (Matías Pérez) Un­known North Atlantic Ocean (Straits of Florida)The Cuban expression: Voló como Matías Pérez (meaning "He flew like Matias Perez") has since been known to be used when a person wishes to emphasize the …A yoke, alternatively known as a control wheel or a control column, is a device used for piloting some fixed-wing aircraft. [1] The pilot uses the yoke to control the attitude of the plane, usually in both pitch and roll. Rotating the control wheel controls the ailerons and the roll axis. Fore and aft movement of the control column controls the ...Plane (tool) A hand plane is a tool for shaping wood using muscle power to force the cutting blade over the wood surface. Some rotary power planers are motorized power tools used for the same types of larger tasks, but are unsuitable for fine-scale planing, where a miniature hand plane is used. Generally, all planes are used to flatten, reduce ...Drawings of the finite projective planes of orders 2 (the Fano plane) and 3, in grid layout, showing a method of creating such drawings for prime orders These parallel lines appear to intersect in the vanishing point "at infinity". In a projective plane this is actually true. In mathematics, a projective plane is a geometric structure that extends the concept of a … A jet aircraft (or simply jet) is an aircraft (nearly always a fixed-wing aircraft) propelled by one or more jet engines . Whereas the engines in propeller-powered aircraft generally achieve their maximum efficiency at much lower speeds and altitudes, jet engines achieve maximum efficiency at speeds close to or even well above the speed of ... .

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