Airman 1st Class Steven Nguyen, 8th Security Forces Squadron defender, places bullets in an M-2 .50 caliber machine gun during a shift change at Kunsan Air Base, Republic of Korea, July 29, 2021. The priority mission for the Wolf Pack defenders is to secure installation assets, to include personnel and 5th-generation fighter aircraft. (U.S. Air Force photo by Staff Sgt. Mya M. Crosby)