Artillery
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Northrop Grumman has carried out successful ground tests of a Solid Fuel RamJet (SFRJ) tactical engine that the company is developing for the US Army to boost the effective range of a 155 mm artillery shell to over 62 miles.
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Raytheon Missiles & Defense is developing a ramjet-propelled shell that will double the range of US military artillery to over 62 miles. The tactical 155mm XM1155 is designed to combine increased range with precision targeting technology.
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Raytheon and the US Navy have successfully fired a precision-guided munition that can be fired from a howitzer and zero in on a moving object. The test demonstrated its ability to find its target and withstand the shock of being fired out of a gun.