Extended Range Guided Munition

-inch (12.7 cm) artillery shell develed by Raytheon for the US Navy. The program was cancelled in March 2008 after 12 years of development and over $600m USD in funding. ERGM is fired from the 5 inch 62 Caliber mod 4 Mark 45 gun at which point the fins deploy, rocket motors ignite and lift the munition to at least 80000 feet (24 km) when the canards would deploy and guide the ERGM to the target based on GPS guidance. More Military Videos: shock.military.com ... missile ergm "military defense ...
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