Prior approval under circumstances other than an emergency is required from whom for the disposal of ammunition at sea?

The correct answer is that prior approval for the disposal of ammunition at sea under non-emergency circumstances is required from the Area Commander. The Area Commander oversees operations and can ensure that all disposal procedures align with regulations and safety protocols specific to the area of responsibility. This person is tasked with maintaining operational integrity and environmental safety, making their approval essential before any such disposal actions take place.

In the context of military operations, the involvement of the Area Commander ensures that there is a proper assessment of the situation, compliance with applicable policies, and a coordinated approach to managing resources and potential impacts on the environment. Their approval helps to standardize practices throughout their assigned area and ensures adherence to established protocols.

In contrast, other entities such as the Chief of Naval Operations, the Department of Defense, or the Commanding Officer would typically have different levels of oversight or authority that may not specifically address local operational procedures for ammunition disposal at sea. Therefore, while they may play vital roles in broader policy or command decisions, it is the Area Commander who has the direct mandate for such actions.