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The AN/APG-77 system itself exhibits a very low radar cross-section, supporting the F-22's stealthy design. [3] The upgraded APG-77(V)1 may have an even greater range. Much of the technology developed for the APG-77 was used in the AN/APG-81 radar for the F-35 Lightning II, and in turn the technology from the APG-81 was applied to the upgraded ...
The Northrop Grumman B-21 Raider is an American strategic bomber in development for the United States Air Force (USAF) by Northrop Grumman.Part of the Long Range Strike Bomber (LRS-B) program, it is to be a stealth intercontinental strategic bomber that can deliver conventional and thermonuclear weapons.
Somewhat smaller and with a ‘cleaner’ rear-aspect than the B-2, the B-21 is believed to have an even smaller radar cross-section and be optimized for higher altitude operations as hinted by ...
Reduced radar cross section is only one of five factors the designers addressed to create a truly stealthy design such as the F-22. The F-22 has also been designed to disguise its infrared emissions to make it harder to detect by infrared homing ("heat seeking") surface-to-air or air-to-air missiles. [citation needed] The F-22 puts a focus on ...
Northrop Grumman and the Air Force unveiled the stealth nuclear bomber during a December ceremony at the defense contractor's factory in California.
The stealth bomber is set to replace the B-1 Lancer and B-2 Spirit bombers in the Air Force's fleet. Eddie Vedder on the origin of Pearl Jam: "It was heaven" U.S. passports can now be renewed online
In those situations, it is useful to use a related quantity called the normalized radar cross-section (NRCS), also known as differential scattering coefficient or radar backscatter coefficient, denoted σ 0 or σ 0 ("sigma nought"), which is the average radar cross-section of a set of objects per unit area:
(Reuters) -The U.S. Air Force's B-21 "Raider" bomber shaped like a flying wing took its first flight on Friday, the next step in rolling out a new fleet of long-range nuclear-capable stealth ...