LANGLEY AIR FORCE BASE, Va. -- Airmen from the 633d Security Forces Squadron watch as Eric Seto, Ultimate Training Munitions training manager, marks impact points on target sheets during UTM ballistics training at Bethel Park Feb. 3. Unlike conventional ammunition, UTM rounds utilize non-lethal dye marker projectiles suitable for force-on-force use. (U.S. Air Force photo/Airman 1st Class Jason J. Brown) (RELEASED)