1. Military training can improve the physical quality of teenagers. In military training, teenagers need to complete various tasks and challenges, which requires them to have good physical fitness and physical fitness. Through military training, teenagers can enhance their physical fitness, improve their physical endurance and flexibility, and lay a solid foundation for their future study and life.

2. Military training can also improve the psychological quality of teenagers. In military training, teenagers need to face all kinds of difficulties and challenges, which requires them to have good psychological quality and coping ability. Through military training, teenagers can learn how to cope with pressures and challenges and improve their psychological quality and self-confidence.

3. Military training can also cultivate teenagers' discipline and teamwork spirit. In military training, teenagers need to obey orders, observe discipline and cooperate with others to complete tasks. Through military training, teenagers can learn how to cooperate with others, observe discipline and cultivate teamwork spirit.

The significance of national defense education:

1. Enhance national defense concept and national security awareness: National defense education helps the whole people to enhance their national defense concept and national security awareness by popularizing ideas, knowledge and skills related to national defense and the army. This is to ensure that every citizen is aware of the importance and responsibility of defending the country, thus inspiring their patriotic feelings and sense of responsibility.

2. Improve the quality of the whole people and the national spirit: National defense education is not only the education of national defense knowledge and skills, but also the education of improving the quality of the whole people and shaping the national spirit. Through national defense education, citizens' sense of responsibility, collectivism and teamwork spirit can be cultivated and their comprehensive quality can be improved.

3. National defense modernization and consolidation: National defense education is an important means of national defense modernization and consolidation. Through national defense education, we can cultivate citizens' national defense consciousness, improve citizens' national defense quality, enhance national defense strength and combat effectiveness, and thus realize national defense modernization.

4. Inheriting Red Genes and Excellent Culture: National defense education is an important way to inherit Red Genes and Excellent Culture. It allows people to understand the history, culture and traditions of the country, and allows young people to inherit and carry forward the revolutionary spirit and fine traditions of the older generation, thus promoting the inheritance of the red gene and the spread of excellent culture.

5. Improve people's awareness of war preparedness and ability to respond to emergencies: National defense education can improve people's awareness of war preparedness and ability to respond to emergencies. Through national defense education, citizens can understand the national security situation and war risks, master basic self-defense skills and emergency handling methods, and thus make contributions to national security when necessary.