When should an observer call for FFE in relation to the meter bracket and PER of the weapon?

In fire support operations, the observer's call for Final Protective Fire (FPF) or Fire For Effect (FFE) is closely tied to the understanding of key parameters, such as Meter Bracket (the range to identify the points for adjustments) and the Permissive Engagement Range (PER) of the weapon.

The correct response highlights the need for specific distances to maximize the effectiveness and safety of the fire support. In this context, the distances detailed in the right choice are consistent with standard operational ranges for artillery or close air support engagements, allowing the observer to optimize the placement of fires while minimizing risks to friendly troops.

The distances of 100 meters for the Meter Bracket, 38 for the PER, and 200 meters for the overall safety margin ensure that the coordination of fire is maintained within a strategically calculated range. This enables the fire support to effectively engage the target while considering the safety zones necessary to avoid friendly troop casualties.

Understanding these parameters is critical to ensuring successful fire support missions, enabling observers to give accurate and effective commands. By aligning the call for FFE with recognized standards and distances, the observer can maintain the operational effectiveness and safety of the engagement.