When should a 9-Line MedEvac be requested?

A 9-Line MedEvac request should be made when it is a matter of life, limb, or eyesight. This means that the situation is critical, and immediate evacuation is necessary to prevent further deterioration of the casualty's condition. The purpose of the 9-Line MedEvac is to provide essential information to the medical evacuation team, ensuring they can respond quickly and effectively in emergencies where a person's life or critical bodily functions are at stake. This urgency is fundamental in military operations where time is often a critical factor in saving lives.

The other options do not align with the appropriate context for a 9-Line MedEvac request. Requesting a MedEvac for routine procedures would not necessitate the urgent and specific protocol outlined in the 9-Line format, as it is aimed at critical cases. Non-critical injuries do not warrant such an urgent request either, as they can typically be managed without immediate evacuation. Lastly, while any personnel can initiate a MedEvac request if they determine it is necessary, the request itself must always be justified by the severity of the situation, not just on request alone. Hence, the core of the MedEvac process is the urgent need for medical assistance when someone's health is at immediate risk.