Stealth Aircraft Top 5 advance in the world

Stealth aircraft

Stealth aircraft are designed to avoid detection using a variety of technologies that reduce reflection/emission of radar,
infrared,visible light, radio-frequency (RF) spectrum,

and audio,collectively known as stealth technology.
Development of stealth technology likely began in Germany during World War II,
the prototyped Horten Ho 229 was designed for twin BMW 003 jet engines but finally powered by twin Junkers Jumo 004 jet engines being described as the first stealth aircraft.
Well-known modern examples of stealth of U.S. aircraft include the United States’ F-117 Nighthawk (1981–2008), the B-2 Spirit, the F-22 Raptor,and the F-35 Lightning II.-Justplay

Stealth Aircraft

While no air-craft is totally invisible to radar,
stealth aircraft make it more difficult for conventional radar to detect or track the air-craft effectively,
increasing the odds of an aircraft successfully avoiding detection by enemy radar and/or avoiding being successfully targeted by radar guided weapons.
Stealth is the combination of passive low observable (LO) features and active emitters such as Low Probability of Intercept Radars,
radios and laser designators. These are usually combined with active measures such as carefully planning all mission maneuvers in order to minimize the aircraft’s radar cross section,
since common actions such as hard turns or opening bomb bay doors can more than double an otherwise stealthy aircraft’s radar return.
It is accomplished by using a complex design philosophy to reduce the ability of an opponent’s sensors to detect, track, or attack the stealth aircraft.
This philosophy also takes into account the heat, sound, and other emissions of the air-craft as these can also be used to locate it.-Justplay18

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During World War I, the Germans experimented with the use of Cellon,

a transparent covering material, in an attempt to reduce the visibility of military aircraft.
Single examples of the Fokker E.III Eindecker fighter monoplane,

the Albatros C.I two-seat observation biplane, and the Linke-Hofmann R.I prototype heavy bomber were covered with Cellon.
In fact, sunlight glinting from the material made the aircraft even more visible.
Celon was also found to be quickly degraded both by sunlight and in-flight temperature changes so the attempt to make transparent aircraft was not proceeded with.

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