9 members, appointed as follows: (i) Two members appointed by the Speaker of the House of Representatives. (ii) Two members appointed by the minority leader of the House of Representatives. (iii) Two members appointed by the majority leader of the Senate. (iv) Two members appointed by the minority leader of the Senate. (v) One member appointed by the Secretary. (B) The initial members of the Commission shall be appointed under subparagraph (A) not later than 180 days after the date of the enactment of the Toxic Exposure in the American Military Act of 2020 . (2) In appointing individuals under paragraph (1)(A), the Speaker of the House of Representatives, the minority leader of the House of Representatives, the majority leader of the Senate, the minority leader of the Senate, and the Secretary shall ensure that at least five members of the Commission are scientists or health care professionals— (A) of whom— (i) one has a background in the field of respiratory medicine