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 IMAGE: Download Image: Full Size (2.64 MB) Tags: exercises, marine corps, cobra gold, thailand Photo By: Marine Corps Staff Sgt. Kevin G. Rivas VIRIN: 230228-M-GH531-1082M.JPG Photo Gallery