National defense education. The Wuhan Municipal People's Government announced that national defense education is a social activity for the country to guard against and resist aggression, stop armed subversion, defend national sovereignty, unity, territorial integrity and security, and impart ideas, knowledge and skills related to national defense to all citizens. National defense education is the foundation of building and consolidating national defense and an important way to enhance national cohesion and improve the quality of the whole people. National defense education is the foundation of building and consolidating national defense, and its fundamental purpose is to enhance the national defense consciousness and spirit of the whole people.