Defense Secretary Delfin Lorenzana (File photo) MANILA - Outgoing Department of National Defense (DND) Secretary Delfin Lorenzana said the administration of President Rodrigo Duterte has worked hard for the Philippines to attain a credible defense posture to protect its vast maritime territories. "The Department also steadily worked towards achieving a credible defense posture through priority infrastructure development in the Municipality of Kalayaan, construction of maritime domain awareness platforms, heightened deployment of AFP (Armed Forces of the Philippines) detachments in border islands, and procurement of game-changing assets, such as combat utility helicopters, missile frigates, close air-support aircraft, unmanned aerial vehicles, air defense systems, various force protection equipment, and weapon systems," he said in a statement Friday. Lorenzana also said the AFP also significantly stepped up its external defense operations to secure the country's strategic