The Excalibur Increment lb -- a GPS-guided, precision, 155 mm artillery projectile -- wrapped up initial operational test and evaluation earlier this year, demonstrating accuracy better than required, according to the Army's Excalibur product manager. Lt. Col. Joshua Walsh told Inside the Army in a May 29 statement that the IOT&E was executed by soldiers who were provided with a tactical scenario and employed both conventional artillery munitions that were non-GPS-guided and the Excalibur munition. The test was held...