EXCALIBUR An Excalibur projectile explodes out of an M777 howitzer on Camp Taji, northwest of Baghdad, April 26, 2008. The Excalibur was the first round of this type fired by soldiers from the 25th Infantry Division's 2nd Stryker Brigade Combat Team, 11th Field Artillery Regiment, in support of Operation Iraqi Freedom. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 774783-J-GHP61-496.jpg Photo Gallery