Military and Strategic Journal
Issued by the Directorate of Morale Guidance at the General Command of the Armed Forces
United Arab Emirates
Founded in August 1971


Boeing, Nammo Ramjet 155 Test Sets New Record

A Boeing and Nammo team set a record for the longest indirect fire test of a ramjet-powered artillery projectile alongside officials from the U.S. Army — firing a Ramjet 155 munition from a 58-caliber Extended Range Cannon Artillery (ERCA) at Yuma Proving Ground, Arizona. The test advances development efforts for the Army’s top modernisation priority, Long Range Precision Fires.
The success follows last year’s Boeing-Nammo test, recording the longest-ever indirect fire test of a Ramjet 155 munition. That test was completed using a 39-caliber towed artillery cannon at the Andøya Test Center in Norway.
The Boeing-Nammo solution is being developed under the Army’s XM1155 programme. Considered a powered guided artillery munition, Ramjet 155 utilises an air-breathing engine design that uses the cannon firing to provide the speed needed for combustion.
In an upcoming test, Boeing and Nammo will integrate a precision guidance system, leveraging a Joint Direct Attack Munition (JDAM) mission computer onto the Ramjet 155. The demonstration will evaluate the system’s maturity and effectiveness against stationary and moving targets and readiness to transition into the next phase of development.
Gil Griffin, executive director of Boeing Phantom Works, said: “The team is working to deliver a superior, affordable precision strike weapon that can neutralise critical targets at long distances.”.

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