What efforts does GCSS Army undertake regarding supply chain resilience?

The correct choice emphasizes that GCSS Army focuses on enhancing redundancy and robustness through data interoperability. This is crucial for ensuring supply chain resilience because improved data interoperability allows for better communication and coordination among various components of the supply chain. By facilitating the sharing of information across different systems and units, GCSS Army can quickly adapt to changes, respond to shortages or surpluses, and maintain operational effectiveness even in the face of disruptions.

Data interoperability ensures that all parts of the supply chain can collaborate effectively, leading to more informed decision-making and the ability to respond agilely to challenges. This interconnectedness fosters a supply chain that is not only resilient to disturbances but also capable of continuing operations smoothly in various scenarios.

On the other hand, the other options do not align with the goal of enhancing supply chain resilience through established systems and processes. While some may seem efficient in isolation, they do not contribute to the broader aim of maintaining robust supply chain operations under varying circumstances.