Airman 1st Class Zaire Gilchrist, 822d Base Defense Squadron (BDS) fireteam member, fires an M240B machine gun during a full mission profile assessment, July 24, 2018, at Moody Air Force Base, Ga. The ‘Safeside’ defenders evaluated their base defense tactics and procedures while performing patrols, tactical combat casualty care and countering improvised explosive devices for a mission readiness exercise. After successfully completing these events, the defenders are eligible to earn their Global Response Force status, which certifies the unit to deploy worldwide. (U.S. Air Force photo by Airman Taryn Butler)