noun
Refers to the hierarchical structure through which orders and instructions are passed in an organization, especially in military, corporate, or emergency contexts.
災害時には指揮命令系統を明確にしておく必要がある。
In a disaster, it is necessary to clarify the chain of command beforehand.
軍隊では指揮命令系統が厳格に定められている。
In the military, the chain of command is strictly defined.