Arctic Fire Marines fire an M142 High Mobility Artillery Rocket System at Fort Greely, Alaska, March 3, 2020, during Arctic Edge. The exercise focuses on training, tactics and procedures for operating in an Arctic environment. SHARE: Download: Full Size (0.19 MB) Tags: Arctic Edge, Marine Corps, Training Credit: Air Force Staff Sgt. Diana Cossaboom VIRIN: 200303-F-OG534-0001C.JPG Photo Gallery