What department is responsible for supply, logistics, and facilities management?

The department responsible for supply, logistics, and facilities management is indeed N4. This designation reflects the Navy's organizational structure where N4 specifically covers the logistics and support functions necessary for operational readiness. This includes managing the distribution and flow of supplies, overseeing maintenance of facilities, and ensuring that the appropriate logistical infrastructure is in place to support missions.

Understanding the structure and responsibilities of various departments is crucial for effective operations within the Navy. N4 focuses on the correlation between logistics and operational capabilities, making it essential in strategic planning and execution.