Balikatan 2011, US Marine Corps Photo

U.S. Navy Builder 3rd Class Jessica Hall, right, and Equipment Operator 3rd Class Kareshia Mcgriff, both with Naval Mobile Construction Battalion 133, finish a concrete walkway around a classroom being built during an engineering civic action project at Lubigan Elementary School during Balikatan 2011 in Tarlac, Philippines, April 7, 2011. Balikatan is a bilateral military exercise established to increase ability of the Armed Forces of the Philippines and the U.S. military to provide relief and assistance in the event of natural disasters and other crises that threaten public safety and health. (DoD photo by Lance Cpl. Alejandro Pe?a, U.S. Marine Corps/Released)