A local Filipino student plays at the construction site of a new classroom being built by U.S. Marines assigned to Marine Wing Support Squadron 172 during an engineer civil assistance project in support of Amphibious Exercise 2013 (PHIBLEX 2013) at Dallipawen Elementary School San Narciso, Dallipawen, Republic of the Philippines, Sept. 11, 2012. PHIBLEX 2013 is a bilateral training exercise conducted annually in the Republic of the Philippines to enhance amphibious readiness of both militaries and to strengthen interoperability.