Department of Defense
DIRECTIVE
NUMBER 5105.21
March 18, 2008
DA&M
SUBJECT: Defense Intelligence Agency (DIA)
References: (a) Title 10, United States Code
(b) Title 50, United States Code
(c) Executive Order (E.O.) 12333, “United States Intelligence Activities,”
December 4, 1981, as amended
(d) DoD Directive 5105.21, “Defense Intelligence Agency (DIA),” February 18,
1997 (hereby canceled)
(e) through (am), see Enclosure 1
1.
PURPOSE
Under the authorities vested in the Secretary of Defense by References (a), (b), and (c), this
Directive reissues Reference (d) to update the mission, responsibilities, functions, relationships,
and authorities of DIA. This Directive shall be interpreted consistent with law, policy, and
directive, including, but not limited to, those promulgated by, or pertaining to, the Director of
National Intelligence (DNI), as appropriate.
2.
APPLICABILITY
This Directive applies to the Office of the Secretary of Defense (OSD), the Military
Departments, the Office of the Chairman of the Joint Chiefs of Staff, the Combatant Commands
(COCOMs), 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”). The term “Military
Services,” as used herein, refers to the Army, the Navy, the Air Force, and the Marine Corps
(including Active and Reserve Components).
3. DEFINITIONS
Terms used in this Directive are defined in Enclosure 2. Acronyms are in Attachment (1) to
Enclosure 2.
