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.
TRICARE Retired Reserve - Retired Guard or Reservists and their family members can purchase TRICARE Retired Reserve until they reach age 60, there is an enrollment fee, and copays for treatment. TRICARE For Life - Retirees over age 65 can purchase TRICARE for Life. For those living in the US, TRICARE For Life is a Medicare supplement.