Department of Defense
DIRECTIVE
NUMBER 5144.02
November 21, 2014
Incorporating Change 1, September 19, 2017
DCMO
SUBJECT: DoD Chief Information Officer (DoD CIO)
References: See Enclosure
1. PURPOSE. Under the authority vested in the Secretary of Defense by section 113 of Title 10,
United States Code (U.S.C.) (Reference (a)), this directive:
a. Assigns the responsibilities, functions, relationships, and authorities of the DoD CIO,
pursuant to sections 2222-2224 of Reference (a), section 11315 of Title 40, U.S.C. (Reference
(b)), and sections 3102, 3506, and 3544 of Title 44, U.S.C. (Reference (c)).
b. Reissues DoD Directive (DoDD) 5144.02 (Reference (d)). Any reference in any law,
rule, regulation, or issuance to the Assistant Secretary of Defense for Networks and Information
Integration (ASD(NII)) will be deemed to be a reference to the DoD CIO, unless otherwise
specified by the Secretary of Defense.
c. Authorizes the DoD CIO, as a Principal Staff Assistant (PSA) reporting directly to the
Secretary of Defense, to establish DoD policy in DoD issuances within the responsibilities,
functions, and authorities assigned in this directive, in accordance with DoD Instruction (DoDI)
5025.01 (Reference (e)).
2. APPLICABILITY. This directive applies to OSD, the Military Departments, the Office of
the Chairman of the Joint Chiefs of Staff and the Joint 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 within the DoD (referred to collectively in
this directive as the “DoD Components”).
3. RESPONSIBILITIES AND FUNCTIONS. The DoD CIO is the PSA and senior advisor to
the Secretary of Defense for information technology (IT) (including national security systems
and defense business systems), information resources management (IRM) and efficiencies. The
DoD CIO is responsible for all matters relating to the DoD information enterprise, including
communications; spectrum management; network policy and standards; information systems;
