Final answer:
The Fire Support Coordination Measure (FSCM) described in the question is a Free Fire Zone (FFZ), where any weapon system can fire without additional coordination with the establishing headquarters.
Step-by-step explanation:
The correct answer to this question is a) Free Fire Zone (FFZ). A Free Fire Zone is a fire support coordination measure that allows any weapon system to fire into a specified area without additional coordination with the establishing headquarters. This measure is frequently used by aviation to jettison ordnance. In contrast, a No-Fire Area (NFA) is a designated area where firing is prohibited without specific authorization, a Restricted Fire Line (RFL) is a line established between converging friendly forces to minimize incidents of friendly fire, and a Coordinated Fire Line (CFL) is a line established between converging units to facilitate coordination and control of fires.
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