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 Coverage for Children. 1  TRICARE benefits are available to children of sponsors until: 2  The child turns 21-years-old and is not seeking a full-time education. 3  The child turns 23-years-old while seeking a full-time education. 4  The child is married. 5  Parents of a step-child divorce.