Which regulation is vital for ensuring Army aviation logistics and operational sustainability?

The regulation that is vital for ensuring Army aviation logistics and operational sustainability is AR 700-138. This regulation specifically outlines the Army's logistics policies, including the management of supply chains, maintenance support, and material distribution for Army units. It is focused on establishing a comprehensive logistics framework that supports the readiness and sustainability of military operations, particularly in the aviation sector where effective logistics are crucial for maintaining airworthiness and operational capability.

AR 700-138 emphasizes the importance of logistics planning, resource allocation, and the integration of logistics within operational strategies, thereby ensuring that aviation units can effectively perform their missions. Overall, this regulation is essential for maintaining the operational readiness of Army aviation by ensuring that logistical support aligns with operational needs.