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Stealth technology, also termed low observable technology (LO technology), is a sub-discipline of military tactics and passive and active electronic countermeasures. [1] The term covers a range of methods used to make personnel, aircraft , ships , submarines , missiles , satellites , and ground vehicles less visible (ideally invisible ) to ...
Pyotr (Petr) Yakovlevich Ufimtsev (Russian: Пётр Я́ковлевич Уфи́мцев; born 8 July 1931) is a Soviet and Russian electrical engineer and mathematical physicist, best known for his pioneering work on the physical theory of diffraction (PTD), which laid the groundwork for modern stealth aircraft technology.
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The F-117 Nighthawk was the first operational aircraft explicitly designed around stealth technology. Other examples of stealth aircraft include the B-2 Spirit , the B-21 Raider , the F-22 Raptor , [ 3 ] the F-35 Lightning II , [ 4 ] [ 5 ] the Chengdu J-20 , [ 6 ] and the Sukhoi Su-57 .
Iran has an air defense system that would require stealth technology to penetrate. [ 21 ] [ 22 ] In December 2009, South Korea 's JoongAng Daily newspaper reported that the RQ-170 Sentinel had been test-flown in South Korea for the past few months and that it was expected to be permanently deployed in 2010 to replace Lockheed U-2 reconnaissance ...
Lockheed Have Blue was the code name for Lockheed's proof of concept demonstrator for a stealth fighter. Have Blue was designed by Lockheed's Skunk Works division, and tested at Groom Lake, Nevada. The Have Blue was the first fixed-wing aircraft whose external shape was defined by radar engineering rather than by aerospace engineering.
The aircraft incorporated features that were later referred to as low observables or stealth technology. When SR-71 crews became upset that engineers were not putting enough effort into solving a constant problem with violent engine unstarts in flight, Rich considered taking a flight in the SR-71 to experience the phenomenon himself, which ...
HSwMS Smyge was an experimental ship of the Swedish Navy used to test stealth technology launched in 1991. [1] Experience from Smyge was used while planning the Visby -class corvettes . [ 1 ] As of 2014 [update] , Smyge is used for training at the Swedish Naval Warfare Centre .