KADENA AIR BASE, Japan -- Airman 1st Class Daniel Wallace (front) and Staff Sgt. Shanika Lane fire at targets during the M4 Tactical Qualification Course at Kadena Air Base, Japan, Aug. 7, 2007. The course ensures every security forces member stays qualified with the M4 rifle. Both are assigned to the 18th Security Forces Squadron. (U.S. Air Force photo/Senior Airman Darnell T. Cannady)