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.
Children Becoming Adults. Biological and adopted children can get TRICARE until their 21st birthday in most cases. There are some exceptions to the age limit. At age 21, your child may qualify for TRICARE Young Adult if they:1  Are age 21-26.iological and adopted children can get TRICARE until their 21st birthday in most cases. There are some exceptions to the age limit.