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The F-35 was the product of the Joint Strike Fighter (JSF) program, which was the merger of various combat aircraft programs from the 1980s and 1990s. One progenitor program was the Defense Advanced Research Projects Agency (DARPA) Advanced Short Take-Off/Vertical Landing (ASTOVL) which ran from 1983 to 1994; ASTOVL aimed to develop a Harrier jump jet replacement for the U.S. Marine Corps ...
On 7 July 2006, the U.S. Air Force, the lead service for the aircraft, officially announced the name of the F-35: Lightning II, in honor of Lockheed's World War II-era twin-propeller Lockheed P-38 Lightning for the United States Army Air Forces and the Cold War-era jet, the English Electric Lightning for the Royal Air Force. [22] [a]
The F-35 Lightning II uses the Rolls-Royce LiftSystem, in which 29,000 hp [14] [15] [16] is diverted forward through a driveshaft from the engine's low-pressure (LP) turbine via a clutch [17] and bevel-gearbox to a vertically mounted, contra-rotating lift fan located forward of the main engine.
The Lockheed Martin F-35 Lightning II is a family of stealth multirole fighters that first entered service with the United States in 2015. The aircraft has been ordered by program partner nations, including the United Kingdom, Italy, Norway, and Australia, and also through the Department of Defense's Foreign Military Sales program, including Japan, South Korea, and Israel.
The Pratt & Whitney F135 is an afterburning turbofan developed for the Lockheed Martin F-35 Lightning II, a single-engine strike fighter.It has two variants; a Conventional Take-Off and Landing variant used in the F-35A and F-35C, and a two-cycle Short Take-Off Vertical Landing variant used in the F-35B that includes a forward lift fan. [1]
Lockheed Martin F-35 Lightning II development; Lockheed Martin X-35 This page was last edited on 28 April 2019, at 21:17 (UTC). Text is ...
The troubled F-35 Lightning II family of fighter jets is struggling to stay in the air.. A new report finds that the F-35 isn’t keeping up with combat readiness goals and fell behind previous ...
A U.S. Air Force F-35A Lightning II in flight. Operations of the Lockheed Martin F-35 Lightning II family began in 1995 with the Joint Strike Fighter program.Since its first flight in 2006, the aircraft has faced substantial controversy, shortages in its research and development supply, [1] and safety concerns due to incidents. [2]