This document discusses national security in the Philippines. It defines national security as enhancing and protecting the welfare, well-being, and ways of life of citizens, as well as the government, institutions, territory, sovereignty, and core values. The three major pillars of national security are safeguarding national unity and democracy, protecting state sovereignty and institutions, and protecting citizens from threats. National security faces threats from both internal groups like insurgents and external issues like territorial disputes. The National Service Reserve Corps works to support disaster response and civic/literacy programs to promote national security.