Which of the following is NOT listed as a task the second due engine will perform?

• A. Backing up initial attack lines
• B. Protecting secondary means of egress
• C. Form the RIT team
• D. Establish command (first-arriving engine)

Answer: (D)

On the fireground, the first arriving engine typically takes command, begins size-up, and establishes the initial attack plan, including securing a water supply and deploying the first attack line. The second arriving engine’s role is to support that effort: backing up the initial attack line to help maintain water continuity and relieve the nozzle team, protecting a secondary means of egress so crews have a safe exit if conditions change, and, if needed, helping to form a Rapid Intervention Team so a dedicated crew is ready to rescue or assist firefighters in trouble. Establishing command, however, is the responsibility of the first-arriving unit, not the second due.