Which targeting product is a prioritized list of high-payoff targets by phase of the operation?

The High Pay-off Target List is the correct answer because it specifically serves as a prioritized list of targets that are deemed to have the greatest potential impact on the success of an operation. This list is tailored to each phase of an operation, ensuring that the focus is on the most critical objectives at the right time. The prioritization helps in resource allocation and planning, guiding operational forces to concentrate their efforts where they can achieve the most significant effects against the enemy.

In contrast, the Attack Guidance Matrix and Targeting Synchronization Matrix serve different purposes. The Attack Guidance Matrix may provide general guidance for targeting and timing but does not directly prioritize high-payoff targets by operational phase. The Targeting Synchronization Matrix is focused on coordinating targeting efforts across various units and phases, rather than creating a prioritized list based on potential payoffs. Therefore, the High Pay-off Target List stands out as the specific product designed to highlight those targets that are most impactful for operational success.