Machine Gunner Senior Airman Tina-Louise Dunbar fires at a target with an M249 squad automatic weapon during a machine gun qualification course at Joint Base Elmendorf-Richardson, Alaska, Jan. 10, 2018. Dunbar is a security force officer assigned to the 673rd Security Forces Squadron. Air Force photo by Justin Connaher SHARE: Download: Full Size (3.22 MB) Tags: Air Force, Northcom, Northern Command, training, Airmen Credit: Justin Connaher VIRIN: 180110-F-LX370-0779A.JPG Photo Gallery