
Raytheon [RTN] said on Thursday it 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. Adding the SAL seeker will allow the munition to attack moving targets, 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…