Machine Gunner A Marine Corps amphibious assault vehicle fires a .50-caliber machine gun while supporting South Korean and Thai amphibious assault vehicles during Exercise Cobra Gold 2018 at Camp Ban Chen Khream, Thailand, Feb. 23, 2018. The Marines are assigned to Assault Amphibian Company, Combat Assault Battalion, 3rd Marine Division. Exercise Cobra Gold 2018 is an annual exercise conducted in Thailand with seven participating nations. Marine Corps photo by Sgt. Ricky Gomez SHARE: Download: Full Size (1.88 MB) Tags: Marines, Pacific Command, Cobra Gold 2018, training, Pacom, Marine Corps Credit: Sgt. Ricky Gomez VIRIN: 180223-M-ZQ619-180A.JPG Photo Gallery