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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] which covers a range of methods used to make personnel, aircraft, ships, submarines, missiles, satellites, and ground vehicles less visible (ideally invisible) to radar ...
Stealth aircraft are designed to avoid detection using a variety of technologies that reduce reflection/emission of radar, infrared, [ 1] visible light, radio frequency (RF) spectrum, and audio, all collectively known as stealth technology. [ 2] The F-117 Nighthawk was the first operational aircraft explicitly designed around stealth technology.
Number built. 64 (5 YF-117As, 59 F-117As) Developed from. Lockheed Have Blue. The Lockheed F-117 Nighthawk is a retired American single-seat, subsonic twin-engine stealth attack aircraft developed by Lockheed 's secretive Skunk Works division and operated by the United States Air Force (USAF). It was the first operational aircraft to be ...
Stealth technology, also termed low observable technology (LO technology), is a sub-discipline of military tactics and passive and active electronic countermeasures, [1] which covers a range of methods used to make personnel, aircraft, ships, submarines, missiles, satellites, and ground vehicles less visible (ideally invisible) to radar, infrared, [2] sonar and other detection methods.
In materials science, radiation-absorbent material ( RAM) is a material which has been specially designed and shaped to absorb incident RF radiation (also known as non-ionising radiation ), as effectively as possible, from as many incident directions as possible. The more effective the RAM, the lower the resulting level of reflected RF radiation.
The B-21 Raider stealth bomber is unveiled at Northrop Grumman, Dec. 2, 2022, in Palmdale, Calif. The B-21 Raider has taken its first flight, moving the futuristic warplane closer to becoming the ...
Stealth helicopter. A stealthy RAH-66 Comanche (foreground) flying in formation with a non-stealthy AH-64 Apache (background) Stealth helicopters are helicopters that incorporate stealth technology to decrease an enemy's detection ability. [ 1] There are a diverse range of technologies used to achieve this decreased detectability; these have ...
United States Air Force. Number built. 1. The Northrop Tacit Blue was a technology demonstrator aircraft created to demonstrate that a low-observable stealth surveillance aircraft with a low-probability-of-intercept radar (LPIR) and other sensors could operate close to the forward line of battle with a high degree of survivability.