Engineering:TERCOM
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Short description: Missile navigation system
Terrain contour matching, or TERCOM, is a navigation system used primarily by cruise missiles. It uses a contour map of the terrain that is compared with measurements made during flight by an on-board radar altimeter. A TERCOM system considerably increases the accuracy of a missile compared with inertial navigation systems (INS). The increased accuracy allows a TERCOM-equipped missile to fly closer to obstacles and at generally lower altitudes, making it harder to detect by ground radar.
The cruise missiles that employ a TERCOM system include:
- Supersonic Low Altitude Missile project (early version of TERCOM was slated to be used in this never-built missile)
- AGM-86B (United States)
- AGM-129 ACM (United States)
- BGM-109 Tomahawk (some versions, United States)
- C-602 anti-ship & land attack cruise missile (China)
- Kh-55 Granat NATO reporting name AS-15 Kent (Soviet Union)
- Newer Russian cruise missiles, such as Kh-101 and Kh-555 are likely to have TERCOM navigation, but little information is available about these missiles
- C-802 or YJ-82 NATO reporting name CSS-N-8 Saccade (China) – it is unclear if this missile employs TERCOM navigation
- Hyunmoo III (South Korea)
- DH-10 (China)
- Babur (Pakistan) land attack cruise missile
- Ra'ad (Pakistan) air-launched cruise missile
- Naval Strike Missile (anti-ship and land attack missile, Norway)
- SOM (missile) (air-launched cruise missile, Turkey)
- HongNiao 1/2/3 cruise missiles
- 9K720 Iskander (short-range ballistic missile and cruise missile variants, Russia)
- Storm Shadow cruise missile (UK/France)
- Taurus KEPD 350, German/Swedish cruise missile
See also
References
External links
- "Terrestrial Guidance Methods", Section 16.5.3 of Fundamentals of Naval Weapons Systems
- More info at fas.org
- Info at aeronautics.ru
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