What does it mean to have a red flag on the disk hanging on the soldier's chest? There are pictures.

This badge is called the national defense service badge. Only soldiers and noncommissioned officers wear this badge, but officers don't.

The national defense service chapter is the costume decoration of soldiers, non-commissioned officers and students in China's 07 military uniform. Soldiers, noncommissioned officers and cadets in military academies should wear national defense service seals in accordance with regulations when wearing military uniforms in winter and spring and autumn.

The national defense service badge pattern consists of the words dove of peace, national flag (armed police) or military flag (PLA), olive branch, Great Wall, national defense service, etc.

It symbolizes peace and justice.