1. research and policy promotion: the national defense foundation conducts research in the field of national defense, collects and analyzes national defense-related data and intelligence, and provides policy suggestions and strategic planning for decision makers. They study and analyze national security, military strategy, national defense budget and other issues, and promote the formulation and implementation of relevant policies by issuing reports and holding seminars.

2. Support for servicemen and their families: The National Defense Foundation provides support and services for servicemen, veterans and their families. This includes providing mental health support, education and training, employment assistance, medical benefits and other aspects to improve their quality of life and welfare.

3. Military technology R&D and innovation: Some national defense foundations are committed to promoting military technology R&D and innovation. Support the development and application of scientific research projects and new technologies, and enhance national defense and military strength.