- Defense Enrollment Eligibility Reporting System is a computerized database of military persons and their families.
- When an individual is registered with DEERS then he/she starts getting health insurance coverage from TRICARE.
- Active duty and retired military members are automatically registered in DEERS and eligible for health insurance coverage from TRICARE but a military person needs to update their family members’ information with DEERS to start coverage for them.
- It is necessary to update family members’ information accurately including the relation to starting or stopping the coverage.