What must an IC do when the situation stabilizes in a fast attack command?

When a situation stabilizes during a fast attack command, ending the fast attack is the appropriate course of action. A fast attack is typically initiated in response to immediate threats or emergencies that require rapid intervention and resource deployment. Once the situation has been assessed and stabilized—meaning that the immediate dangers have been managed and the incident is under control—continuing under a fast attack approach may not be suitable or necessary.

Ending the fast attack allows for a transition to a more structured command operation, which can facilitate better resource management and planning for ongoing response activities. This shift can include a reassessment of needs, establishing an incident command structure for the duration of the incident, and preparing for the next steps, which may involve a more comprehensive operational plan.

Continuing operations as usual without recognizing the change in the situation could lead to mismanaged resources or ineffective response strategies. Preparing for an investigation would usually be a part of post-incident management, but it doesn't specifically address the immediate need to conclude the fast attack once the situation is stable. Resigning from command prematurely is not appropriate unless a higher authority has designated someone else to take over.