When the forward progress of the fire is stopped, what should the IC transmit?

When the forward progress of the fire is stopped, the appropriate communication from the Incident Commander (IC) is "Under control." This phrase indicates that while the fire has not been completely extinguished, the escalation and advancement of the fire have been halted. It provides critical situational awareness to all involved personnel and ensures that resources can be managed effectively moving forward.

Using the term "Under control" reflects an understanding that while the immediate threat has been mitigated, ongoing efforts will still be necessary to fully extinguish the fire and secure the area from any potential resurgence. This terminology is recognized in fire service communication and helps set the stage for transitioning from an aggressive firefighting posture to a more defensive one as crews work on extinguishing the remaining pockets of fire and ensuring the safety of the environment.

Other potential phrases, such as "Fire controlled" or "Situation stable," may not accurately convey the critical status that the fire's forward progress has been halted, while "Stand down" would imply a complete cessation of operations rather than signifying the ongoing need for response until the situation is fully resolved.