The Ballistic Trajectory Extended Range Munition (BTERM) was a failed program to develop a
precision guided
A precision-guided munition (PGM, smart weapon, smart munition, smart bomb) is a guided munition intended to precisely hit a specific target, to minimize collateral damage and increase lethality against intended targets. During the First Gulf ...
rocket
A rocket (from it, rocchetto, , bobbin/spool) is a vehicle that uses jet propulsion to accelerate without using the surrounding air. A rocket engine produces thrust by reaction to exhaust expelled at high speed. Rocket engines work entirely fr ...
-assisted 127 mm (5-inch)
artillery shell for the
U.S. Navy
The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage o ...
. The program was originally named the Autonomous Naval Support Round (ANSR) and was developed by
Alliant Techsystems.
[Ballistic Trajectory Extended Range Munition (BTERM) - Global Security](_blank)
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The concept was similar to Raytheon
Raytheon Technologies Corporation is an American multinational aerospace and defense conglomerate headquartered in Arlington, Virginia. It is one of the largest aerospace and defense manufacturers in the world by revenue and market capitali ...
's Extended Range Guided Munition
The Extended Range Guided Munition was a precision guided rocket-assisted 5-inch (127 mm) shell (projectile) development by Raytheon for the U.S. Navy. The program was cancelled in March 2008 after twelve years of development and over 600 mi ...
with several simplifications and a larger rocket engine. The warhead was based upon that in the AGM-88 HARM
The AGM-88 HARM (High-speed Anti-Radiation Missile) is a tactical, air-to-surface missile, air-to-surface anti-radiation missile designed to home in on electronic transmissions coming from surface-to-air radar systems. It was originally developed ...
anti-radiation missile, and was guided through GPS
The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States government and operated by the United States Space Force. It is one of the global navigation satellite sy ...
; however, unlike the ERGM it was intended to fly a strictly ballistic trajectory. Both programs were cancelled in 2008.
Specification
* Caliber: 127 mm (5 in)
* Guidance: GPS
The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States government and operated by the United States Space Force. It is one of the global navigation satellite sy ...
/ INS
* Propulsion: Solid-propellant
A propellant (or propellent) is a mass that is expelled or expanded in such a way as to create a thrust or other motive force in accordance with Newton's third law of motion, and "propel" a vehicle, projectile, or fluid payload. In vehicles, the e ...
rocket engine
A rocket engine uses stored rocket propellants as the reaction mass for forming a high-speed propulsive jet of fluid, usually high-temperature gas. Rocket engines are reaction engines, producing thrust by ejecting mass rearward, in accorda ...
* Warhead: Blast- fragmentation
See also
* Long Range Land Attack Projectile
The Long Range Land Attack Projectile (LRLAP) is a cancelled precision guided 155 mm naval artillery shell for the U.S. Navy's Advanced Gun System (AGS). LRLAP was developed and produced by Lockheed Martin Missiles and Fire Control, the prim ...
* M712 Copperhead
The M712 Copperhead is a 155 mm caliber cannon-launched guided projectile. It is
a fin-stabilized, terminally laser guided, explosive shell intended to engage hard point targets such as tanks, self-propelled howitzers or other high-value targe ...
* M982 Excalibur
The M982 Excalibur (previously XM982) is a 155 mm extended-range guided artillery shell developed in a collaborative effort between the U.S. Army Research Laboratory (ARL) and the United States Army Armament Research, Development and Engineerin ...
References
External links
Ballistic Trajectory Extended Range Munition (BTERM) - ATK
Artillery shells
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