This part applies to:

(a) The Office of the Secretary of Defense, the Military Departments, the Chairman of the Joint Chiefs of Staff, the Combatant Commands, the Office of the Inspector General of the Department of Defense, the Defense Agencies, the DoD Field Activities, and all other organizational entities in the Department of Defense (hereafter referred to collectively as “the DoD Components”).

(b) The Coast Guard, when it is not operating as a Service in the Navy under agreement with the Department of Homeland Security, and the Commissioned Corps of the Public Health Service (PHS) and the National Oceanic and Atmospheric Administration (NOAA), under agreements with the Departments of Health and Human Services and Commerce (hereafter referred to collectively as “the non-DoD Components”).