Civil air defense: (referred to as civil air defense) is an organized defensive measure taken by the people to deal with air strikes. (called civil defense abroad)

According to the needs of national defense, the state mobilizes and organizes the masses to take protective measures to prevent and mitigate the harm of air strikes.

Air raid alarm: standby alarm: sounded for 36 seconds, stopped for 24 seconds, and repeated for 3 times.

Emergency alarm: sound for 6 seconds, stop for 6 seconds, and repeat 15 times.

Disarm the alarm: ring for 3 minutes.

The basic tasks of civil air defense are to protect people's lives and state property, eliminate the consequences of air strikes, maintain social stability, and cooperate with the army in fighting.

Specific tasks of civil air defense: including wartime and peacetime.

Wartime: issue air defense warning in time; Timely organize the evacuation and refuge of the masses; Inform the masses of the attack and guide them to carry out protection, self-help and mutual rescue; Organize civil air defense professional teams to carry out emergency repair work, eliminate the consequences of air strikes, and assist relevant departments to restore production and living order; Cooperate with urban defense operations.

Peacetime: combining with urban construction, building civil air defense projects; Working out urban construction plans in conjunction with relevant departments; Establish a civil air defense communication and warning system; Formulate an air raid prevention plan and build an evacuation area; Organize and train civil air defense professional teams, play a key role in industrial accidents and natural disasters, and improve the ability of emergency rescue and repair in wartime; Educate citizens in civil air defense, so that they can enhance their national defense concept and master the basic knowledge and skills of civil air defense.

Second, the role of civil air defense

1, civil air defense is a favorable measure to preserve the war potential.

Modern warfare not only consumes a lot of manpower and material resources, but also is extremely destructive. Therefore, only by effectively preserving the potential of war can we win the initiative and resist the enemy for a long time. War of Resistance against Japanese Aggression and China, for example, had developed industries and well-equipped weapons. In a relatively short period of time, it occupied more than half of China. China has a large population, vast territory, vast territory, complex geographical environment and great war potential. Under the leadership of China, after eight years of bloody battles, he finally defeated the Japanese aggressors and won the victory in War of Resistance against Japanese Aggression. Therefore, the size of the war potential determines whether the war can last. Civil air defense can maximize the preservation of manpower and material resources and is a powerful measure to preserve the war potential.