Yes National defense education courses in senior high schools are unified throughout the country, and local education departments have set up national defense special courses in schools, prompting a large number of retired soldiers to enter the campus to teach and become full-time instructors or managers of national defense education. Students who sign up for national defense education classes must obey the unified management of the school and participate in various military education and teaching activities organized by the school according to regulations, and must not be absent without reason.