Which action is used to finish securing an inactive section of line?

Which action is used to finish securing an inactive section of line?

• A. Cold trailing
• B. Anchor and Flank
• C. Envelopment
• D. Pincer

Answer: (A)

Cold trailing is the process of mop-up along a line after containment to ensure there is no remaining heat that could rekindle. When a section of line is inactive, the goal is to finish securing it by walking the edge, checking for hot spots or smoldering fuel, and suppressing them so the line stays cold and reliable. The other tactics describe building a line around or toward the fire while it’s active—anchor and flank, envelopment, and pincer—so they aren’t about finishing a completed, inactive section.

Cold trailing is the process of mop-up along a line after containment to ensure there is no remaining heat that could rekindle. When a section of line is inactive, the goal is to finish securing it by walking the edge, checking for hot spots or smoldering fuel, and suppressing them so the line stays cold and reliable. The other tactics describe building a line around or toward the fire while it’s active—anchor and flank, envelopment, and pincer—so they aren’t about finishing a completed, inactive section.