U.S. Navy Petty Officer 3rd Class Jessica Hall, with Naval Mobile Construction Battalion 133 stationed at Gulfport, Miss., finishes a concrete walkway around a new classroom during an engineering civic action project at Lubigan Elementary School, Tarlac, Philippines, on April 7, 2011. The civic action project was part of exercise Balikatan 2011, an annual bilateral training exercise designed to increase interoperability between U.S. military forces and the Armed Forces of the Philippines when responding to future natural disasters.