Night Fire Marines fire an M252 81 mm mortar system during a night range as part of Cobra Gold in Chantaburi province, Thailand, Feb. 28, 2028. Cobra Gold is a multinational training event sponsored by the United States and Thailand. SHARE: Download: Full Size (2.64 MB) Tags: Thailand, Exercises, Cobra Gold, Marine Corps Credit: Marine Corps Staff Sgt. Kevin G. Rivas VIRIN: 230228-M-GH531-1082M.JPG Photo Gallery