CONVOY LIVE-FIRE DRILL U.S. Army privates listen as their Drill Sgt. instructs them to keep their weapons pointed down range during a convoy live-fire exercise as part of Army basic training at Fort Jackson, S.C., Sept. 19, 2006. SHARE: Download: Full Size (0.1 MB) Credit: VIRIN: 913347-T-WAW53-140.jpg Photo Gallery