Which system is commonly used for inventory management in SSAs?

The Global Combat Support System-Army (GCSS-Army) is the correct answer as it is specifically designed to enhance logistics management and integration processes within the Army. This system provides real-time visibility for inventory management, ensuring soldiers and commanders can access accurate and timely information about available supplies and equipment. It integrates various logistics functions, including supply chain management, maintenance, and property accountability, which are vital for effective inventory management in Soldier Support Activities (SSAs).

In contrast, while systems like the Army Logistics Management System and the Logistics Support Activity play important roles in logistics and support activities, they are not primarily focused on inventory management within SSAs to the same extent as GCSS-Army. The Automated Logistics Management System, while relevant, is often categorized under older logistics management practices that may not provide the same level of integration and real-time data access as GCSS-Army does. Hence, GCSS-Army stands out as the most relevant and effective system for managing inventory in the context of SSA operations.