; (2) in paragraph (5)— (A) by redesignating subparagraph (C) as paragraph (6) and moving such paragraph, as so redesignated, two ems to the left; and (B) by striking Duration of protection .— and all that follows through the period at the end of subparagraph (B) and inserting Duration of protection .—The Secretary of Defense shall require periodic reviews, not less than once every six months, of the duration of protection provided to individuals under this subsection.