Transverse Mercator map, central meridian 30Â°W. This projection is not intended for small-scale or whole world maps, as the scale and areal distortion is obvious even moderately far from the central meridian.
Unmarried biological, step-children and adopted children are eligible for TRICARE until age 21 (or 23 if in college, see College Students below). Eligibility may extend beyond these age limits if he or she is severely disabled.
You may qualify to purchase TRICARE Young Adult if you're: 1  An unmarried, adult child of an eligible sponsorEligible sponsors for TRICARE Young Adult includes: Active duty service members. 2  At least age 21 but not yet 26 years old. 3  Not eligible to enroll in an employer-sponsored health plan based on your own employment.