The bill, focusing on TRICARE pharmacy benefits, extends the period for eligible beneficiaries to receive non-generic maintenance medications, aiming for better access and service. It outlines reimbursement standards for pharmacy benefit managers, prohibiting certain fees on retail pharmacies and mandating annual audits by the Comptroller General to ensure rates of reimbursement are sufficient. Additionally, it requires the Secretary of Defense to submit a plan for implementation within 90 days. This bill primarily impacts TRICARE beneficiaries, pharmacies, and pharmacy benefit managers under the TRICARE program.