18.5—Relationships.
(a)
In the performance of assigned functions and responsibilities, the Appointing Authority for Military Commission shall:
(2)
Use existing facilities and services of the Department of Defense and other Federal Agencies, whenever practicable, to avoid duplication and to achieve an appropriate level of efficiency and economy.
(b)
Other OSD officials and the Heads of the DoD Components shall coordinate with the Appointing Authority for Military Commissions on all matters related to the responsibilities and functions cited in § 18.4.
(c)
Nothing herein shall be interpreted to subsume or replace the responsibilities, functions, or authorities of the OSD Principal Staff Assistants, the Secretaries of the Military Departments, the Chairman of the Joint Chiefs of Staff, the Commanders of Combatant Commands, or the Heads of Defense Agencies or the Department of Defense Field Activities prescribed by law or Department of Defense guidance.