TRICARE for Life is a health care program designed for military retirees and their eligible family members who are also enrolled in Medicare. It acts as a secondary insurance, covering costs that Medicare does not, such as copayments and deductibles. This program ensures that eligible beneficiaries have access to comprehensive health care services. To qualify for TRICARE for Life, individuals must be enrolled in Medicare Part A and Part B. The program provides coverage for a wide range of services, including hospital stays, outpatient care, and preventive services, making it an essential resource for those who have served in the military.