U.S. Army Soldiers fire illumination flares from a 120 mm mortar cannon on a mortar carrier Stryker in Mosul, Iraq, July 4, 2006. The Soldiers are from Headquarters and Headquarters Squadron, 1st Battalion, 17th Infantry Regiment, 172nd Stryker Brigade Combat Team based out of Fort Wainwright, Alaska. (U.S. Air Force photo by Tech. Sgt. Jeremy T. Lock) (Released)

U.S. Army Soldiers fire illumination flares from a 120 mm mortar cannon on a mortar carrier Stryker in Mosul, Iraq, July 4, 2006. The Soldiers are from Headquarters and Headquarters Squadron, 1st Battalion, 17th Infantry Regiment, 172nd Stryker Brigade Combat Team based out of Fort Wainwright, Alaska. (U.S. Air Force photo by Tech. Sgt. Jeremy T. Lock) (Released)