Which organizational principle states that workers report to only one supervisor to eliminate conflicting orders?

• A. Training Evolution
• B. Standard
• C. Unity of Command
• D. Span of Control

Answer: (C)

Unity of Command means every worker reports to a single supervisor. This creates a clear line of authority on the fireground and in the station, ensuring that directions, priorities, and decisions come from one source. When there is one supervisor overseeing a task, messages stay consistent and aligned with the incident’s objectives, which simplifies supervision, strengthens accountability, and reduces confusion that can lead to mistakes or unsafe actions. In the Incident Command System used in firefighting, this principle helps keep operations coordinated and responsive to changing conditions, since the supervisor with overall responsibility issues instructions, monitors progress, and resolves conflicts.

Span of control deals with how many people a supervisor can effectively manage, focusing on workload rather than who provides orders. A standard refers to established procedures or rules, not the reporting relationship. Training evolution describes how training develops over time, not who reports to whom.