The army refers to the general name of organizational units at or above the regimental level. Military units at or above the regimental level. Awarded serial number, code name and military flag, with leadership and command organs and combat and combat service support units. It also refers to the general name of organizational units at or above the regimental level in the army. Awarded serial number, code name and military flag, with leadership and command organs and combat and combat service support units. Also refers to the army. According to the service, the troops can be divided into army troops, navy troops, air force troops and so on. It can be divided into infantry units, artillery units, armored units, surface warship units, submarine units, aviation units, fighter aviation units, etc. According to the task, it can be divided into field troops, local troops, garrison troops, border guards and garrison troops. , and can be divided into combat troops, combat support forces, logistics equipment support forces, etc.