Final answer:
Active duty service members are automatically enrolled in TRICARE Prime, which provides comprehensive health care coverage and includes a range of medical benefits managed by a Primary Care Manager.
Step-by-step explanation:
Active duty service members are automatically enrolled in TRICARE Prime, a health care plan that provides comprehensive coverage to military personnel, their families, and retirees. TRICARE is the health care program of the United States Department of Defense Military Health System. TRICARE Prime offers a range of medical benefits including primary care, specialty care, and emergency care. Participants are assigned a Primary Care Manager (PCM) who provides most of their care and referrals to specialists as needed. This program emphasizes preventive care and streamlines the process for receiving medical services within the military health care system.