Where are counseling sheets and letters of instruction entered?

The correct choice highlights that counseling sheets and letters of instruction are officially recorded in a member's service record. This is significant because a member's service record serves as the comprehensive documentation of their performance, achievements, and any disciplinary actions, including counseling and instructions. Keeping these documents in the service record ensures that there is a permanent record of the member's development and compliance with standards. It also helps maintain a clear history of any guidance provided, which is essential for future evaluations and career progression within the organization.

The other options lack this formal recognition and are not suitable for such important documentation. For instance, team manifests are used to keep track of personnel assigned to specific teams and do not serve for individual performance documentation. Public announcements are intended for sharing information with a wider audience and are not relevant for personal records. A separate logbook could be useful in some contexts, but it would not carry the same authority or permanence as a service record, making it an inappropriate choice for official documentation of counseling and instructions.