Raytheon Company has initiated an internally funded program to enhance its combat-proven 155mm Excalibur GPS-guided projectile with a new guidance and navigation unit (GNU) with a semi-active laser (SAL) end-game targeting capability.
Addition of the SAL seeker will allow the munition to attack moving targets, attack targets that have re-positioned after firing, or change the impact point to avoid casualties and collateral damage.
"No other gun-launched GPS-guided artillery round is as precise as Excalibur, which in its current design gives one the ability to hit within 4 meters of the target 90 percent of the time," said Kevin Matthies, Excalibur program director for Raytheon Missile Systems.
This new Excalibur variant using SAL guidance paves the way for GPS-guided Excalibur Ib customers to upgrade their Excalibur Ib guidance and navigation units with a GPS/SAL capability. Recent tests of the SAL seeker have demonstrated the robustness of the design in a severe gun-firing environment.
"Excalibur has proven itself an invaluable asset for avoiding collateral damage while defeating targets that may otherwise be out of reach or cannot be quickly engaged," said Michelle Lohmeier, vice president of Land Combat for Raytheon Missile Systems. "The need for this degree of precision to attack moving targets is there, and we now have the ability to leverage demonstrated Excalibur Ib technology to make this happen."
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