Which of the following is NOT a possible mode of operation in firefighting?

The selected answer indicates that "Retreat" is not considered a possible mode of operation in firefighting. This is correct because the primary operational modes in firefighting are offensive and defensive strategies aimed at controlling and extinguishing fires.

In an offensive operation, firefighters advance into the fire area to extinguish the fire directly, while a defensive operation involves protecting exposures and preventing the spread of fire from a safer distance.

While retreating can be a necessary tactic in specific hazardous situations to ensure the safety of personnel, it is not categorized as a separate mode of operation in firefighting strategies. The concept of "No action at all" does not align with firefighting principles either, as firefighters are always expected to take action based on the situation at hand, whether it be offensive or defensive.

Understanding these operational modes is critical for effective firefighting, as they guide how to approach fire incidents based on the circumstances, risks, and resources available.