What document provides up-to-date endurance charts for naval logistics?

The correct response is the NAVSUP P485 because this document serves as a vital reference for supply personnel, detailing the procedures and guidelines for managing logistical operations in the Navy. Specifically, the NAVSUP P485 includes endurance charts, which outline the availability and storage of vital equipment and supplies necessary for sustained naval operations. These charts are essential for ensuring that ships and units maintain adequate readiness levels and can effectively support their missions over time.

Endurance charts compiled within NAVSUP P485 aid logistics specialists in making informed decisions about supply requests and inventory management, ultimately pivotal in operational planning and support. Effective supply management is the backbone of combat readiness, and having access to such real-time data directly influences a unit's ability to sustain operations efficiently.