Which department is responsible for official correspondence, personnel records, and directives?

The Administrative department is responsible for official correspondence, personnel records, and directives because it serves as the central hub for managing all administrative tasks within the organization. This includes maintaining accurate personnel records, ensuring proper documentation of official communications, and managing the flow of directives that guide the operations and conduct of personnel.

This department plays a critical role in supporting the overall functioning of the Marine Corps by facilitating communication and ensuring that all personnel have access to the necessary information and guidance required for their duties. The focus on documentation and record-keeping is essential for maintaining accountability, compliance, and organizational structure within the service.