; (bb) while on duty as a special agent, becomes ill or is injured as a direct result of the performance of such duties before the date on which the individual becomes entitled to an annuity under section 811; (cc) because of the illness or injury described in item (bb), is permanently unable to render useful and efficient service in the employee’s covered position, as determined by the Secretary; and (dd) is appointed to a position in the Foreign Service that is not a covered position; and (II) the term covered position means a position as— (aa) a law enforcement officer described in section 8331(20) or 8401(17) of title 5, United States Code; (bb) a customs and border protection officer described in section 8331(31) or 8401(36) of title 5, United States Code; (cc) a firefighter described in section 8331(21) or 8401(14) of title 5, United States Code; (dd) an air traffic controller described in section 8331(30) or 8401(35) of title 5, United States Code; (ee) a nuclear materials courier described in section 8331(27) or 8401(33) of title 5, United States Code; (ff) a member of the United States Capitol Police; (gg) a member of the Supreme Court Police; (hh) an employee of the Agency designated under section 302(a) of the Central Intelligence Agency Retirement Act ( 50 U.S.C. 2152(a) )