Final answer:
Contractor logistics support can be appropriate for an NDI communications device when the Army lacks the expertise or resources to perform maintenance and support in-house.
Step-by-step explanation:
Contractor logistics support can be most appropriate for a non-developmental item (NDI) communications device being acquired by the U.S. Army under the following condition:
- When the Army lacks the expertise or resources to perform maintenance and support for the device in-house.
In such cases, the Army can contract with a third-party logistics provider who specializes in the maintenance, repair, and logistics support of similar devices. This allows the Army to focus on its core operations while ensuring the device's availability and reliability through the expertise of the contractor.