Final answer:
The exact timing for submitting an air activity report is not given in the options provided, but in typical military contexts, reports are submitted before the due date to ensure timely receipt by the Chief of Naval Operations.
Step-by-step explanation:
The question pertains to the correct timing for submitting an air activity report to reach the Chief of Naval Operations (N885F) within a specified time of the due date. The correct options are not provided in the choices of the original question. However, assuming the question is focused on timeliness and following standard military or official reporting protocols, reports are generally expected to be submitted before the due date to ensure punctuality and compliance with orders or regulations. This concept is crucial in military operations where timely and accurate information is essential for decision-making. It would be unconventional for reports to be submitted after the due date, as this could impair operational effectiveness.