Republic of Korea Marines with Engineer Battalion, 1st Marine Division, Republic of Korea Marine Corps, arrive Feb. 6, 2011, to Utapao Royal Thai Navy Airfield, Kingdom of Thailand, to provide support for an engineering civil affairs capability project during Exercise Cobra Gold 2011. The airfield is located in Chanthaburi province. Humanitarian and civic assistance programs conducted by Thailand, Indonesia, Japan, Singapore, Korea, Malaysia and U.S. armed forces demonstrate a commitment to support security and humanitarian interests of friends and regional partners.