In the course of any investigation conducted under this subsection, the Secretary shall—
(i)#
consult with the Secretary of Defense regarding the methodological and policy questions raised in any investigation initiated under paragraph (1),
(ii)#
seek information and advice from, and consult with, appropriate officers of the United States, and
(iii)#
if it is appropriate and after reasonable notice, hold public hearings or otherwise afford interested parties an opportunity to present information and advice relevant to such investigation.