During a firefighting operation, what must all members in the hazard zone be protected under?

In a firefighting operation, all members in the hazard zone must be protected under protective gear. This equipment is essential for ensuring the safety and well-being of firefighters when facing potential hazards such as extreme heat, flames, smoke, and toxic chemicals. The protective gear typically includes items such as helmets, gloves, fire-resistant clothing, and respiratory protection. These elements work together to minimize the risk of injury or exposure to dangerous conditions while operating in the hazardous environment created by a fire.

Many other protective strategies might be in place, such as hoselines and safety zones, but those do not provide direct personal protection from the environmental hazards a firefighter faces. The primary focus in the hazard zone is on the individual’s protection through appropriate gear, which is crucial for effective and safe firefighting operations.