Which of the following is a federal government health insurance program?

TRICARE is a federal government health insurance program specifically designed to provide military personnel, retirees, and their dependents with health care benefits. Administered by the Defense Health Agency, it offers a range of coverage options, including medical, dental, and vision care, directly benefiting those who serve in the Armed Forces and their families.

In contrast, Medicaid is a joint federal and state program that assists low-income individuals and families with healthcare costs. Blue Cross Blue Shield and Aetna are private health insurance providers, offering a variety of health plans but not directly operated or funded by the federal government.