The Department of National Defense Security is training high-quality experts who can research and develop policy alternatives in the field through analysis of international situations, war, and strategy, conflict and conflict management, human resource development, and leadership research. It aims to foster future military experts who will lead the era of our military development and internationalization by combining military expertise and internationalization ability to respond to rapidly changing defense environment through obtaining a degree in National defense security (Doctor). Specific learning goals are as follows.

1. Training future military experts who can respond to changes in the defense environment
2. Training a holistic military expert who combines knowledge, affection, and rightness
3. It is to train experts with internationalization capabilities and flexible and flexible response capabilities.