What regulatory body oversees the operations of Navy Cash?

The correct answer is the Navy's Financial Management Command, which plays a crucial role in overseeing financial operations related to Navy Cash. This command is responsible for establishing policies, managing resources, and ensuring compliance with laws and regulations that govern Navy financial systems, including payment and cash management systems.

The Navy's Financial Management Command ensures that the Navy Cash system operates efficiently and securely, aligning it with the broader financial management strategies of the Navy. This oversight includes monitoring transactions, securely handling funds, and integrating with other financial systems within the Navy.

While other options like the United States Navy Supply Command, Department of Defense, and Navy Exchange Service Command are involved in different aspects of Navy operations and services, they do not specifically govern the financial management of the Navy Cash system. Each of these organizations has its own functions, such as supply chain management or retail operations, but the direct regulatory oversight of Navy Cash falls under the purview of the Navy's Financial Management Command.