You could pay for financial counseling, tax consultations and tax software, but why? Military OneSource helps service members and eligible family members by providing access to free financial counseling, tax consultations, and secure online tax preparation and filing. Get started on your taxes now by meeting with a trained Military OneSource tax consultant for military-specific advice regarding your tax questions, free. Call 800-342-9647 today. Or if you prefer to get face-to-face assistance, visit a Volunteer Income Tax Assistance program location near you.