If the registration point is nearer the pair of rounds at the opposite end of the bracket, what does the observer determine the range refinement to be?

When determining the range refinement in relation to registration points and the position of the rounds within a bracket, it’s important to understand how proximity affects adjustments. If the registration point is closer to the pair of rounds at the opposite end of the bracket, this indicates that the observer has identified a need to refine the range to improve accuracy.

The given choice indicating "Add or Drop 20" suggests a measured and calculated adjustment based on standard operational procedures in fire support coordination. The range refinement values are typically determined from established tables or guidelines that account for the distance between observed impact points and desired target areas.

In this context, "Add or Drop 20" is a typical adjustment that signals to the firing unit that the current impact points are within a bracket that requires a moderate refinement, allowing for more precise targeting without over-adjusting. Therefore, the observer's intent is clear, and the range refinement of adding or dropping 20 is an effective decision for achieving optimal target accuracy in the field.

Other values like 10, 25, or indicating no range refinement at all either overestimate or underestimate the adjustment needed in the given specific scenario, making them less appropriate choices.