What brevity term means the laser designator system is inoperative?

The term that indicates the laser designator system is inoperative is "Dead eye." This term is specifically used within military operations to communicate that a laser designator used for targeting is not functioning, which can significantly affect air support and other coordinated artillery efforts.

Understanding this term is critical for Fire Support Teams (FIST) to ensure that all team members and supporting units are aware of the status of laser designators. When a designator is termed "dead eye," it alerts everyone involved that they cannot rely on laser guidance, which may force a reassessment of tactics or the use of alternative targeting methods.

While other terms like "blind," "no joy," and "terminated" may have specific meanings in military communication, they do not denote that the laser designator system itself is inoperable. For instance, "blind" often suggests an inability to visually acquire a target, while "no joy" conveys the absence of contact or engagement. "Terminated" typically refers to the completion of a task or mission but does not indicate malfunction.