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The AN/APG-77 is a multifunction low probability of intercept radar installed on the F-22 Raptor fighter aircraft. The radar was designed and initially built by Westinghouse and Texas Instruments, and production continued with their respective successors Northrop Grumman and Raytheon after acquisition. It is a solid-state, active electronically ...
The Lockheed Martin/Boeing F-22 Raptor is an American twin-engine, all-weather, supersonic stealth fighter aircraft.As a product of the United States Air Force's Advanced Tactical Fighter (ATF) program, the aircraft was designed as an air superiority fighter, but also incorporates ground attack, electronic warfare, and signals intelligence capabilities.
As of December 2020, the only combat-ready stealth aircraft in service are the Northrop Grumman B-2 Spirit (1997), the Lockheed Martin F-22 Raptor (2005), the Lockheed Martin F-35 Lightning II (2015), [15] [16] the Chengdu J-20 (2017), [17] and the Sukhoi Su-57 (2020), [18] with a number of other countries developing their own designs. There ...
F-4 and early F-5 Lightning photo reconnaissance variants were factory converted by Lockheed at Burbank, California; all later F-5 conversions were made after delivery by Lockheed's Dallas Modification Center near Dallas, Texas. F-4-1 was based on the P-38E, ninety-nine built with initial delivery March 1942. Four nose-mounted K-17 cameras.
The X-44 design had a reduced radar signature (due to lack of tail and vertical stabilizers) and was made more efficient by eliminating the tail and rudder surfaces, and instead using thrust vectors to provide yaw, pitch and roll control. [1] The X-44 MANTA design was based on the F-22. The engine and fuselage would be carried over to the X-44.
The F-22 Raptor's supercruise capabilities are touted as a major performance advantage over other fighters, with supercruise being demonstrated exceeding Mach 1.5. [13] [2] Supercruise capability provides advantages for stealth aircraft because an afterburner plume reflects radar signals and creates a significant infrared signature. [14 ...
F-22 Raptor Benjamin Robert Rich (June 18, 1925 – January 5, 1995) was an American engineer and the second director of Lockheed 's Skunk Works from 1975 to 1991, succeeding its founder, Kelly Johnson .
One means to reduce IR signature is to have a non-circular tail pipe (a slit shape) to minimize the exhaust cross sectional area and maximize the mixing of hot exhaust with cool ambient air (see Lockheed F-117 Nighthawk, rectangular nozzles on the Lockheed Martin F-22, and serrated nozzle flaps on the Lockheed Martin F-35).