U.S. Marine Lance Corporal Andrew Vaughn shows Royal Thai Marines their shot groups during a battle sight zero (BZO) range at Camp Ban Chan Krem, Kingdom of Thailand during exercise Cobra Gold on Feb. 11. U.S. Marines and Royal Thai Marines conducted the BZO range to ensure their weapons fired accurately and were combat ready. Cobra Gold, in its 33rd iteration, demonstrates the U.S. and the Kingdom of Thailand's commitment to our long-standing alliance and regional partnership, prosperity and security in the Asia-Pacific region. Vaughn is with 3d Battalion, 1st Marine Regiment, 1st Marine Division, 1st Marine Expeditionary Force. (U.S. Marine Corps photo by Sgt Artur Shvartsberg/Released).