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  2. Chengdu J-20 - Wikipedia

    en.wikipedia.org/wiki/Chengdu_J-20

    The DSI enables an aircraft to reach Mach 2.0 with a simpler intake than traditionally required, and improves stealth performance by eliminating radar reflections between the diverter and the aircraft's skin. Analysts have also noted that the J-20 DSI reduces the need for the application of radar-absorbent materials.

  3. Lockheed Martin RQ-170 Sentinel - Wikipedia

    en.wikipedia.org/wiki/Lockheed_Martin_RQ-170...

    In October 2012 a RQ-170 was used to conduct bomb damage assessment for a test drop of a Massive Ordnance Penetrator bomb from a Northrop Grumman B-2 Spirit stealth bomber. [28] The 44th Reconnaissance Squadron was established on 1 April 2015. While the USAF did not disclose what aircraft the unit was equipped with, it has been reported that it ...

  4. WireGuard - Wikipedia

    en.wikipedia.org/wiki/WireGuard

    WireGuard is a communication protocol and free and open-source software that implements encrypted virtual private networks (VPNs). [5] It aims to be lighter and better performing than IPsec and OpenVPN , two common tunneling protocols . [ 6 ]

  5. Lockheed F-117 Nighthawk - Wikipedia

    en.wikipedia.org/wiki/Lockheed_F-117_Nighthawk

    The F-117 has an RCS around 0.001 m 2 (0.0108 sq ft). [68] Among the penalties for stealth are subsonic speeds to prevent frame heating, heat on the engine inlet and outlet prevent certain thrusting maneuvers, a very low wing aspect ratio, and a high sweep angle (50°), needed to deflect incoming radar waves to the sides.

  6. Terrain-following radar - Wikipedia

    en.wikipedia.org/wiki/Terrain-following_radar

    TSR-2 XR220 at RAF Museum Cosford, 2002. Ferranti developed the first terrain-following radar specifically for the TSR-2. Terrain-following radar (TFR) is a military aerospace technology that allows a very-low-flying aircraft to automatically maintain a relatively constant altitude above ground level and therefore make detection by enemy radar more difficult.

  7. Boeing–Sikorsky RAH-66 Comanche - Wikipedia

    en.wikipedia.org/wiki/Boeing–Sikorsky_RAH-66...

    The Boeing–Sikorsky RAH-66 Comanche is an American stealth armed reconnaissance and attack helicopter designed for the United States Army.Following decades of study and development, the RAH-66 program was cancelled in 2004 before mass production began, by which point nearly US$7 billion had been spent on the program.

  8. Stealth technology - Wikipedia

    en.wikipedia.org/wiki/Stealth_technology

    In addition to altering the tail, stealth design must bury the engines within the wing or fuselage, or in some cases where stealth is applied to an extant aircraft, install baffles in the air intakes, so that the compressor blades are not visible to radar. A stealthy shape must be devoid of complex bumps or protrusions of any kind, meaning that ...

  9. NATO Accessory Rail - Wikipedia

    en.wikipedia.org/wiki/NATO_Accessory_Rail

    NATO Accessory Rail (STANAG 4694) The NATO Accessory Rail (NAR), defined by NATO Standardization Agreement (STANAG) 4694, is a rail interface system standard for mounting accessory equipment such as telescopic sights, tactical lights, laser aiming modules, night vision devices, reflex sights, foregrips, bipods and bayonets to small arms such as rifles and pistols.