Ballistic Trajectory Extended Range Munition

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The Ballistic Trajectory Extended Range Munition (BTERM) was a failed program to develop a precision guided rocket-assisted 127 mm (5-inch) artillery shell for the U.S. Navy. The program was originally named the Autonomous Naval Support Round (ANSR) and was developed by Alliant Techsystems.[1]

The concept was similar to Raytheon's Extended Range Guided Munition with several simplifications and a larger rocket motor. The warhead was based upon that in the AGM-88 HARM anti-radiation missile, and was guided through GPS; however, unlike the ERGM it was intended to fly a strictly ballistic trajectory. Both programs were cancelled in 2008.[2][1]



  1. ^ a b Ballistic Trajectory Extended Range Munition (BTERM) - Global Security
  2. ^ Weinberger, Sharon (2006-03-26). "Navy Kills Satellite-Guided Weapon". Wired.

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