U.S. Marine Corps Lance Cpl. Ricky Shannon, right,

U.S. Marine Corps Lance Cpl. Ricky Shannon, right, combat engineer, Marine Wing Support Squadron 172, Marine Aircraft Group 36, 1st Marine Aircraft Wing, III Marine Expeditionary Force works alongside Royal Thai Marine Pvt. Bon Tsunsorum, combat engineer, Engineer Company, Marine Division, painting a wall of a new classroom being constructed at Ban Nam Chiao Elementary School in Lam Ngob District, Trat province, Kingdom of Thailand, Feb. 15. The Royal Thai and U.S. Marines are constructing the classroom during Exercise Cobra Gold 2013 (CG 13). CG 13 forces conduct engineering civic assistance projects, cooperative health engagements and other civil-military activities in Thailand to promote regional prosperity, security and cooperation among partner militaries. (U.S. Marine Corps photo by Sgt. Matthew Troyer/Released)