The Board shall be supported by a staff consisting of one full-time officer from each of the reserve components listed in paragraphs (1) through (6) of
section 10101 of this title who holds the grade of colonel (or in the case of the Navy, the grade of captain) or who has been selected for promotion to that grade. These officers shall also serve as liaisons between their respective components and the Board. They shall perform their staff and liaison duties under the supervision of the military executive officer of the Board in an independent manner reflecting the independent nature of the Board.