Department of Defense
DIRECTIVE
NUMBER 5143.01
October 24, 2014
Change 1 Effective April 22, 2015
DCMO
SUBJECT: Under Secretary of Defense for Intelligence (USD(I))
References: See Enclosure
1. PURPOSE. This directive:
a. Reissues DoD Directive (DoDD) 5143.01 (Reference (a)) to update the responsibilities
and functions, relationships, and authorities of the USD(I), pursuant to the authority vested in the
Secretary of Defense (SecDef) by sections 113 and 137 of Title 10, United States Code (U.S.C.)
(Reference (b)), and in accordance with section 3001 et seq. of Title 50, U.S.C. (Reference (c)),
as well as Public Law 108-458 (Reference (d)), Executive Order (E.O.) 12333 (Reference (e)),
and E.O. 13470 (Reference (f)).
b. Authorizes the USD(I) to reissue chartering DoDDs, in accordance with DoD Instruction
(DoDI) 5025.01 (Reference (g)), for OSD Presidentially-appointed, Senate-confirmed officials
who are under the authority, direction, and control of the USD(I).
c. Conforms to and is consistent with law and Presidential guidance concerning the
authorities and responsibilities of the Director of National Intelligence (DNI).
d. Cancels Deputy Secretary of Defense (DepSecDef) Memorandums (References (h) and
(i)).
2. APPLICABILITY. This directive applies to OSD, the Military Departments (MILDEPs), the
Office of the Chairman of the Joint Chiefs of Staff (CJCS) and the Joint Staff, the Combatant
Commands (CCMDs), the Office of the Inspector General of the Department of Defense (OIG
DoD), the Defense Agencies, the DoD Field Activities, and all other organizational entities
within the DoD (referred to collectively in this directive as the “DoD Components”).
3. RESPONSIBILITIES AND FUNCTIONS. The USD(I) is the Principal Staff Assistant (PSA)
and advisor to the SecDef and DepSecDef regarding Intelligence, Counterintelligence (CI),
Security, sensitive activities, and other intelligence-related matters (referred to in this directive as
