What is the primary system used for managing ammunition information in the Army?

The primary system used for managing ammunition information in the Army is the Total Ammunition Management Information System (TAMIS). TAMIS serves as an integrated tool that allows military units to account for, track, and manage ammunition throughout its lifecycle. This includes everything from the initial ordering and storage to issuing and using the ammunition, ensuring accountability and effective resource management.

TAMIS is vital because it provides real-time data that assists commanders and logistic personnel in making informed decisions regarding ammunition supply and usage. The system is designed to enhance the visibility of ammunition stocks and streamline the processes involved in managing these critical resources, thereby supporting mission readiness.

In contrast, while the other systems mentioned may have roles in broader logistics and supply chain management, they do not specifically focus on exhaustive ammunition tracking in the same way that TAMIS does. This focus on comprehensive ammunition management is what makes TAMIS the correct choice for this question.