Unity of command is a fundamental principle in firefighting that greatly enhances safety by ensuring each firefighter reports to only one supervisor. This clear chain of command prevents confusion during high pressure operations, reduces the risk of conflicting instructions, and allows for better coordination. When everyone knows who is in charge and follows a structured command hierarchy, decisions can be made quickly and efficiently. It also ensures accountability and improves communication, which is critical in rapidly evolving emergency situations. Unity of command helps maintain order, manage resources effectively, and ensures that safety protocols are consistently followed, ultimately reducing the risk of injury or loss of life.