What are the QUARTERLY Periodic Inventory Requirements for the ARNG and USAR?

The correct choice focuses on the specific requirements established for inventory management within the Army National Guard (ARNG) and the U.S. Army Reserve (USAR). The quarterly periodic inventory requirements emphasize the need to inventory weapons by serial number and sensitive items. This is crucial for maintaining accountability and security for items that are either high-value or potentially dangerous.

Weapons and sensitive items require stringent monitoring due to their potential impact on operational readiness and safety. Accurate tracking ensures that these items are properly maintained, accounted for, and secured against loss or theft. The serial number inventory allows for precise identification and verification of each item, helping to uphold standards of military accountability.

While other choices may pertain to different inventory practices, they don't align with the specific quarterly periodic inventory requirements set by the ARNG and USAR. Understanding these requirements is essential for effective property accountability within military operations.