TRICARE Insurance is a health care insurance/benefits program administered by the Defense Health Agency. The organization provides health benefits and services to military personnel and their families. There are eight major plan types that a qualified applicant can enroll in (each plan has varying levels of benefits, coverage, and services). The majority of major health services (dental/health benefits) are provided by contracted insurance carriers. If you’re a current policyholder click the “Login” link to learn how to register for an online account in order to manage your policy online.