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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 ...
In a 1984 demonstration of their performance, an English Electric Lightning fighter aircraft used a zoom climb to intercept a Lockheed U-2 cruising at 66,000 ft (20,000 m), above the Lightning's service ceiling of 60,000 ft (18,000 m). Shortly before this, it had even reached 88,000 ft (27,000 m).
The Lightning's greatest virtues were long range, heavy payload, high speed, fast climb, and concentrated firepower. The P-38 was a formidable fighter, interceptor, and attack aircraft. In the Pacific Theater, the P-38 downed over 1,800 Japanese aircraft, with more than 100 pilots becoming aces by downing five or more enemy aircraft. [ 115 ]
English Electric Lightning (XS929), displayed as a gate guardian at RAF Akrotiri in Cyprus Lightning P.1A at the Museum of Science and Industry in Manchester Lightning F.6 at the Museum of Aviation, Warner Robins, Georgia, United States, now on display at Pima Air & Space Museum in Tucson, Arizona Lightning F1 XM135 at Imperial War Museum ...
the rear of the F135 engine (nozzle rotated down) that powers the Rolls-Royce LiftSystem. Instead of using separate lift engines, like the Yakovlev Yak-38, or rotating nozzles for engine bypass air, like the Harrier, the "LiftSystem" has a shaft-driven LiftFan, designed by Lockheed Martin and developed by Rolls-Royce, [3] and a thrust vectoring nozzle for the engine exhaust that provides lift ...
Positive lightning is less common than negative lightning and on average makes up less than 5% of all lightning strikes. [ 10 ] A bolt from the blue lightning strike which appears to initiate from the clear, but [ clarification needed ] the turbulent sky above the anvil cloud and drive a bolt of plasma through the cloud directly to the ground.
Combined these create what the Soviets nicknamed a "lightning machine." [1] In all the facility contains a 3 megawatt capacity transformer cascade, a 9 megawatt Pulsed Voltage Generator (PVG), measuring 39.3 meters high and capable of creating 150-meter artificial lightning, and a 2.25 megawatt constant voltage unit. [1]
The Harrier, informally referred to as the Harrier jump jet, is a family of jet-powered attack aircraft capable of vertical/short takeoff and landing operations (V/STOL). ). Named after the bird of prey, [1] it was originally developed by British manufacturer Hawker Siddeley in the 1