When is the system-generated number created for individuals in GCSS-Army?

The system-generated number in GCSS-Army is created when the personnel Master Data Record is established. This process is vital because the Master Data Record serves as a comprehensive collection of all essential information regarding military personnel, which includes identification details and roles within the system.

When this record is created, it ensures that a unique identifier is assigned to each service member, facilitating their tracking and management within the GCSS-Army framework. This unique identifier is crucial for maintaining accurate records, streamlining communication, and ensuring efficient logistics support throughout the soldier's career and various assignments.

The other situations mentioned, such as the end of enlistment, during deployment, or at the start of military training, do not pertain to the initiation of the personnel Master Data Record. Thus, they are irrelevant in the context of when the system-generated number is specifically created for individuals within the GCSS-Army.