The red armband is usually worn on an individual's left sleeve as a sign of participating in some activity.
Description of unit armband:
The unit armband is shield-shaped, which consists of patterns and unit names. Among them, the patterns of the Central Military Commission, the headquarters organs and the General Office of the Military Commission include military flags, command knives and olive branches; The designs of the Ministry of National Defense include the national flag, the command knife and the olive branch. The designs of the units directly under the headquarters, the seven military regions, the Academy of Military Sciences, the National Defense University and the National University of Defense Technology include five stars, two guns, the Great Wall Shield and the Olive Branch.