Who retains the documentation after completing the final BCP assignment?

The correct choice highlights that the Fitness Functional Instructor (FFI) or Certified Personal Trainer (CPTR) is responsible for retaining the documentation after completing the final Body Composition Program (BCP) assignment. This is significant because these individuals are typically the ones directly involved in managing the program's documentation and assessments related to participants' body composition changes and progress. They possess the necessary knowledge and training to ensure that these records are kept accurately and securely, as they are crucial for evaluating the effectiveness of the program and tracking individual participants' progress over time. Retaining this documentation also contributes to ongoing program improvements and adherence to legal and regulatory requirements regarding participant data.

While other roles, such as the Commanding Officer (CO), Officer in Charge (OIC), or medical officers, play critical roles in overall program oversight, they are not primarily tasked with the specific responsibility of documentation retention for the BCP assignments, which underscores the importance of the correct answer.