Raytheon has a new laser-guided, 155mm “Excalibur” artillery shell — with technology that allows the weapon to change course mid-flight — that it’s pitching to the Army and Navy. The dual-mode Excalibur variant called Excalibur S maintains its GPS guidance system but also adds a laser spot tracker which is a seeker that will detect laser energy from a laser designator and guide to that energy spot on a target.
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