; (iii) 1 scientist or engineer; (iv) 1 economist; (v) 1 professional historian; and (vi) 1 sociologist. (5) Mandatory conflicts of interest review (A) In general The Director shall conduct a review of each individual nominated and appointed to the position of member of the Review Board to ensure the member does not have any conflict of interest during the term of the service of the member. (B) Reports During the course of the review under subparagraph (A), if the Director becomes aware that the member being reviewed possesses a conflict of interest to the mission of the Review Board, the Director shall, not later than 30 days after the date on which the Director became aware of the conflict of interest, submit to the Committee on Homeland Security and Governmental Affairs of the Senate and the Committee on Oversight and Accountability of the House of Representatives a report on the conflict of interest. (c) Security clearances (1) In general All Review Board nominees shall be granted the necessary security clearances and accesses, including any and all relevant Presidential, departmental, and agency special access programs, in an accelerated manner subject to the standard procedures for granting such clearances. (2) Qualification for nominees All nominees for appointment to the Review Board under subsection (b) shall qualify for the necessary security clearances and accesses prior to being considered for confirmation by the Committee on Homeland Security and Governmental Affairs of the Senate. (d) Consideration by the Senate Nominations for appointment under subsection (b) shall be referred to the Committee on Homeland Security and Governmental Affairs of the Senate for consideration. (e) Vacancy A vacancy on the Review Board shall be filled in the same manner as specified for original appointment within 30 days of the occurrence of the vacancy. (f) Removal of Review Board member (1) In general No member of the Review Board shall be removed from office, other than— (A) by impeachment and conviction