What is one of the key functions of a clear chain of command in military operations?

• A. It eliminates the need for communication.
• B. It ensures authority, decision rights, accountability, and coordinated action across units.
• C. It assigns power to non-military civilians.
• D. It concentrates control within a single unit with no reporting.

Answer: (B)

A clear chain of command ensures authority, decision rights, accountability, and coordinated action across units. It defines who may issue orders, who makes decisions at each level, and who is responsible for the outcomes, while linking everything through established reporting lines. That structure enables fast, decisive action and keeps different parts of the force moving in the same direction, preventing conflicting orders and duplicative effort. In practice, orders flow from higher headquarters through the intermediate levels to the units on the ground, with everyone understanding their role and reporting relationships. The other options conflict with this fundamental purpose: communication is essential, not eliminated; civilian power can blur military authority; and concentrating control with no reporting destroys accountability and joint action.