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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.
The raid on the compound of Osama bin Laden in May 2011 utilized what appeared to be two Sikorsky UH-60 Black Hawks, heavily modified for quieter operations and employing stealth technology to be less visible to radar. [4] [5] Furthermore, various nations have stated their ambitions to introduce their own stealth helicopters.
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 ...
Investors may have also been encouraged in the company's early 2025 guidance, which anticipates about 12% revenue growth and a whopping 39% earnings-per-share growth over the company's 2024 outlook.
F-117 Nighthawk, the first operational aircraft explicitly designed around stealth technology. 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, collectively known as stealth technology. [2] The F-117 ...
Plasma stealth is a proposed process to use ionized gas to reduce the radar cross-section (RCS) of an aircraft. Interactions between electromagnetic radiation and ionized gas have been extensively studied for many purposes, including concealing aircraft from radar as stealth technology .
The Pave Mover radar demonstrators provided the non-stealth portion of the program's targeting system, whereas Tacit Blue was intended to demonstrate a similar but stealth capability, while validating a number of innovative stealth technology advances. [1] The radar sensor technology developed for Tacit Blue evolved into the radar now being ...
F-117 Nighthawk F-117 flying over mountains in Nevada in 2002 General information Type Stealth attack aircraft National origin United States Manufacturer Lockheed Corporation Status Retired from combat, used as training aircraft as of 2025 Primary user United States Air Force Number built 64 (5 YF-117As, 59 F-117As) History Introduction date October 1983 ; 41 years ago (1983-10) First flight ...