What is the last correction in the sequence of 15 corrections to be sent during a CFF?

The final correction in the sequence of corrections during a Call for Fire (CFF) is "Splash." This term signifies that the observer is indicating when the rounds are expected to impact the target. By placing "Splash" at the end of the sequence, it acts as a clear directive to inform all parties involved that the engagement has been executed and rounds are on target. This also allows the firing unit to understand the critical timing related to the impact, enabling them to adjust their actions accordingly.

In contrast, other elements of the sequence, such as "Repeat," "Mission type and method of control," and "Target Description," serve specific purposes earlier in the communication process to relay information about the mission and the target itself, but they do not mark the conclusion of the firing sequence. The use of "Splash" is thus essential in ensuring that all units are synchronized and aware that the target engagement phase has concluded, making it a pivotal part of the CFF’s communication protocol.