Rocket Fire Marines fire a high-mobility artillery rocket at a target during Exercise Emerald Warrior 18 at Orogrande, N.M., March 5, 2018. Air Force photo by Tech. Sgt. Larry E. Reid Jr. SHARE: Download: Full Size (1.92 MB) Tags: Marines, Northcom, Northern Command, Emerald Warrior 18, training, Marine Corps Credit: Tech. Sgt. Larry Reid Jr. VIRIN: 180305-F-KA253-0348A.JPG Photo Gallery