National defense is closely related to the rise and fall of the country. Strong national defense and national prosperity; The national defense is weak and the country dies. This is the profound experience of China people. /kloc-More than 0/00 years ago, in the late Qing Dynasty, China was politically corrupt and its national defense was extremely weak. As a result, it was brutally invaded by many imperialist powers, and its land was ceded for compensation, causing unspeakable pain.

After the founding of New China, with the all-round development of the country, national defense has been consolidated day by day, and all previous anti-aggression wars have won. The country is thriving and the people live and work in peace and contentment. The sharp contrast proves a simple and profound truth: national defense is a major event related to the survival and development of the country and the nation.

Economic development is the foundation of a strong national defense. As early as the Spring and Autumn Period, Guan Zhong, a statesman of Qi State, put forward the idea of "enriching Qiang Bing", and Sun Tzu pointed out more directly: if the soldiers are not strong, they can't destroy the enemy, and the country is not rich, they can't raise soldiers. Rich countries are the foundation, and Qiang Bing is badly needed.

Military technology has an important influence on national defense. To build a strong national defense, we must rely on scientific and technological progress. Innovation-driven scientific and technological revolution and military revolution affect the success or failure of the big country game.

The importance of national defense:

1, the national defense function is one of the most important functions of the country. National defense functions include: defending national sovereignty and territorial integrity, ensuring the safety of people's lives and resisting foreign armed aggression and subversion. The national defense function is one of the most important functions of the country. National defense functions include: defending national sovereignty and territorial integrity, ensuring the safety of people's lives and resisting foreign armed forces.

2, an important part of national construction, including material construction and spiritual construction. The specific contents are: the construction of national defense system and army building; Battlefield construction and national defense mobilization construction; Frontier defense, coastal defense, air defense, sky defense and cyber defense; National defense science, technology and industry construction; National defense education and national defense legal system construction, national defense transportation and communication construction.

National defense is formed after the formation of the country. It is the country's military and military-related political, economic, scientific, technological, cultural, educational and diplomatic construction and struggle to resist foreign aggression and subversion, safeguard national sovereignty and territorial integrity, and safeguard national security, unity and development.