U.S. Marines stack cement blocks Feb. 1 during construction of a new building at Ban Kuad Nam Man School, Chat Trakarn District, Phitsanulok province, Kingdom of Thailand. Four similar structures are being built throughout the Kingdom of Thailand during ongoing engineering civic assistance projects part of Exercise Cobra Gold 2013. U.S. involvement in CG 13 demonstrates commitment to building military-to-military interoperability with participating nations and to supporting peace and stability throughout the region. U.S. Marines are with 9th Engineer Support Battalion, 3rd Marine Logistics Group, III Marine Expeditionary Force. - U.S. Marines stack cement blocks Feb. 1 during construction of a new building at Ban Kuad Nam Man School, Chat Trakarn District, Phitsanulok province, Kingdom of Thailand. Four similar structures are being built throughout the Kingdom of Thailand during ongoing engineering civic assistance projects part of Exercise Cobra Gold 2013. U.S. involvement in CG 13 demonstrates commitment to building military-to-military interoperability with participating nations and to supporting peace and stability throughout the region. U.S. Marines are with 9th Engineer Support Battalion, 3rd Marine Logistics Group, III Marine Expeditionary Force.