This tactic is defensive when the fire front impact in the WUI is imminent and there are not enough resources to effectively take perimeter action; it is offensive when steering the head of a fire to a desirable end point. Which action is described?

Prepare for the Wildland Urban Interface (WUI) Structure Defense Test. Use flashcards and multiple-choice questions with hints and explanations to get ready for your exam!

Multiple Choice

This tactic is defensive when the fire front impact in the WUI is imminent and there are not enough resources to effectively take perimeter action; it is offensive when steering the head of a fire to a desirable end point. Which action is described?

Explanation:
Bump and run is a flexible, opportunistic approach used when a fire front is bearing down and you don’t have enough resources to defend a full perimeter. Defensively, you move up toward the leading edge just ahead of the head of the fire to establish a defensible position or anchor in a location you can defend, then you back off to safety or to a more secure line as the fire passes. The goal is to buy time and reduce exposure by using a controlled, smaller-scale defense rather than trying to hold a large perimeter with limited resources. When used offensively, you steer the head of the fire toward a preplanned endpoint—such as into a already burned area, a natural fuel break, or a low-value zone—to direct its progression away from structures or other assets. This combination of advancing to shape the fire and then retreating or guiding it toward a safer path explains the dual defensive/offensive nature described.

Bump and run is a flexible, opportunistic approach used when a fire front is bearing down and you don’t have enough resources to defend a full perimeter. Defensively, you move up toward the leading edge just ahead of the head of the fire to establish a defensible position or anchor in a location you can defend, then you back off to safety or to a more secure line as the fire passes. The goal is to buy time and reduce exposure by using a controlled, smaller-scale defense rather than trying to hold a large perimeter with limited resources. When used offensively, you steer the head of the fire toward a preplanned endpoint—such as into a already burned area, a natural fuel break, or a low-value zone—to direct its progression away from structures or other assets. This combination of advancing to shape the fire and then retreating or guiding it toward a safer path explains the dual defensive/offensive nature described.

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