KADENA AIR BASE, Japan -- Staff Sgt. Frank Gonzales, a combat arms instructor with the 320th Special Tactics Squadron, shows an officer from Japan's Self Defense Force how to line up a shot on an Mk 48 here Feb. 17. Civilians and officers from Japan's National Institute for Defense Studies visited the 353rd Special Operations Group as part of a bilateral exchange program between the United States and Japan. (U.S. Air Force photo by Tech. Sgt. Aaron Cram)