Armed Forces of the Philippines Army engineers, assigned to the 552nd Engineer Construction Battalion, U.S. Marine engineers, assigned to the 9th Engineer Support Battalion and U.S. Navy Seabees, assigned to Naval Mobile Construction Battalion 5, work into the night welding and placing roof trusses and mortar at Don Joaquin Artuz Memorial Elementary School in Tapaz, Philippines, during Balikatan 2015, April 18. The engineers are part of the Joint Civil-Military Operations Task Force on the island of Panay that is constructing two classrooms at the school. Balikatan, which means “shoulder to shoulder” in Filipino, is an annual bilateral training exercise aimed at improving the ability of Philippine and U.S. military forces to work together during planning, humanitarian assistance and disaster relief operations. (U.S. Navy photo by Chief Mass Communication Specialist Lowell Whitman/ Released)