School children from Tagbarungis Elementary School, Puerto Princesa City, Palawan, Philippines, look on as engineers from the Armed Forces of the Philippines, 51st Engineering Brigade with their partners from the U.S. Army 643rd Engineering Company, 84th Engineering Bn. shovel concrete as part of a school building project March 22. This engineering civic assistance project is a part of Balikatan 2012, an annual bilateral exercise focused on building joint planning, contingency operations and humanitarian civic assistance capabilities of Philippine and U.S. military members.