"The Department of National Defense: Meeting the Challenges to Philippine Defense and Security" outlines the strategic framework and operational priorities of the Philippine Department of National Defense (DND) amidst a dynamic regional security environment. This Defense Policy Paper emphasizes the necessity for cohesive development among the five interrelated bureaus within the DND to effectively address the complex security challenges facing the Philippines. It serves as a guide for the Armed Forces of the Philippines (AFP) and civilian bureaus, detailing the department's strategic goals, resource management, and engagement in regional and global affairs. The paper aims to foster confidence and collaboration among regional partners and stakeholders, underscoring that national defense is a collective responsibility of the entire Filipino nation.