Here's some more info on the Excalibur from the Raytheon site for those who doesn't know the system:
Quote:
Excalibur -- precision, autonomously guided, long-range artillery system.
Excalibur is the next generation family of projectiles for the U.S. Army and Marine Corps artillery. Excalibur is a 155mm precision-guided artillery round with extended range. Using GPS precision guidance technology it can provide accurate, first round fire-for-effect capability in an urban setting. Additionally, Excalibur has very accurate terminal guidance resulting is low collateral damage and the capability to be employed in very close proximity to friendly troops. Another feature allowing Excalibur to be employed in close terrain is the steep terminal trajectory. The trajectory will ensure the desired impact in cluttered, highly obstructed battlefield. Raytheon, in cooperation with Bofors Defence, is dedicated to arming the warfighter with the best precision weapons and capabilities available and is committed to delivering Excalibur ahead of schedule.
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http://www.raytheon.com/products/excalibur/
And some more tech data:
http://www.raytheon.com/products/ste...s01_054624.pdf