What could a Follow-up request from a supplementary addressee potentially relate to?

A follow-up request from a supplementary addressee is particularly relevant when it comes to seeking updates on previous deliveries. This type of request often indicates that the addressee is looking for information regarding the status of items that were already ordered and may be awaiting delivery or an update on their estimated arrival.

In the context of MILSTRIP procedures, supplementary addressees may not be directly involved in the original order but still have a vested interest in the outcome—such as logistics or supply chain personnel. Their inquiries are typically focused on the current status of orders to ensure that their operations are aligned with the delivery schedules and to monitor if there are any delays or issues.

The other options, while related to the general context of order management, do not specifically fit the usual intent of a follow-up request from a supplementary addressee. Inquiring about past orders could pertain to historical data rather than current delivery updates. Communicating a new shipping address is generally a proactive measure rather than a follow-up. Requesting changes in order specifications involves altering the details of the original order, which differs from merely seeking updates. Thus, option C captures the essence of the follow-up inquiry correctly, focusing on the dynamic nature of the order status.