Defense Enrollment Eligibility Reporting System | TRICARE
tricare.mil › deersJan 12, 2023 · You must be registered in the Defense Enrollment Eligibility Reporting System (DEERS) A database of information on uniformed services members (sponsors), U.S.-sponsored foreign military, DoD and uniformed services civilians, other personnel as directed by the DoD, and their family members. You need to register in DEERS to get TRICARE.