Which component is found in both the doubts and corrections portion of fire control?

In fire control, the component that is found in both the doubts and corrections portion is the correction of errors. This is crucial because it addresses any discrepancies or inaccuracies identified during the planning and execution phases of using machine guns. The correction of errors directly relates to ensuring that the targeting and firing are precise, adjustments are made based on observed results, and any misunderstandings are clarified to enhance effectiveness.

In the context of firing operations, correcting errors is vital for maintaining operational effectiveness and achieving mission success. For instance, if a machine gunner notices that rounds are not impacting where intended, addressing this issue promptly through corrections can lead to improved accuracy in subsequent engagements.

Oral signals, assumed to pertain to command and control between team members, serve to communicate information but do not directly tie into addressing doubts or correcting errors. Similarly, estimated time of arrival and clearance of fire concern logistical and safety elements rather than the adjustment aspect emphasized in the doubts and corrections processes. Thus, while these other components are important in their own right, the focus on the correction of errors is what makes it the correct choice in this context.