US Code

Public Law 119-87 (04/30/2026)

10 U.S.C. § 131

Office of the Secretary of Defense

(a)
There is in the Department of Defense an Office of the Secretary of Defense. The function of the Office is to assist the Secretary of Defense in carrying out the Secretary’s duties and responsibilities and to carry out such other duties as may be prescribed by law.
(b)
The Office of the Secretary of Defense is composed of the following:
(1)
The Deputy Secretary of Defense.
[(2)
Pub. L. 116–283, div. A, title IX, § 901(a)(2)(A)134 Stat. 3794 Repealed. , , .]
(3)
The Under Secretaries of Defense, as follows:
(A)
The Under Secretary of Defense for Research and Engineering.
(B)
The Under Secretary of Defense for Acquisition and Sustainment.
(C)
The Under Secretary of Defense for Policy.
(D)
The Under Secretary of Defense (Comptroller).
(E)
The Under Secretary of Defense for Personnel and Readiness.
(F)
The Under Secretary of Defense for Intelligence and Security.
(4)
Other officers who are appointed by the President, by and with the advice and consent of the Senate, and who report directly to the Secretary and Deputy Secretary without intervening authority, as follows:
(A)
The Director of Cost Assessment and Program Evaluation.
(B)
The Director of Operational Test and Evaluation.
(C)
The General Counsel of the Department of Defense.
(D)
The Inspector General of the Department of Defense.
(5)
The Chief Information Officer of the Department of Defense, who reports directly to the Secretary and Deputy Secretary without intervening authority.
(6)
The Deputy Under Secretaries of Defense.
(7)
The Assistant Secretaries of Defense.
(8)
Other officials provided for by law, as follows:
(A)
section 139a(c) of this title The two Deputy Directors within the Office of the Director of Cost Assessment and Program Evaluation under .
(B)
section 144 of this title The Director of Small Business Programs appointed pursuant to .
(C)
section 1501(a) of this titlesection 1501 of this title The official designated under to have responsibility for Department of Defense matters relating to missing persons as set forth in .
(D)
section 1781 of this title The Director of Military Family Readiness Policy under .
(E)
section 2228(a) of this title The Director of the Office of Corrosion Policy and Oversight assigned pursuant to .
(F)
section 4273(a) of this title The official designated under to have responsibility for conducting and overseeing performance assessments and root cause analyses for major defense acquisition programs.
(9)
Such other offices and officials as may be established by law or the Secretary of Defense may establish or designate in the Office.
(c)
Officers of the armed forces may be assigned or detailed to permanent duty in the Office of the Secretary of Defense. However, the Secretary may not establish a military staff in the Office of the Secretary of Defense.
(d)
The Secretary of each military department, and the civilian employees and members of the armed forces under the jurisdiction of the Secretary, shall cooperate fully with personnel of the Office of the Secretary of Defense to achieve efficient administration of the Department of Defense and to carry out effectively the authority, direction, and control of the Secretary of Defense.

Pub. L. 99–433, title I, § 104100 Stat. 996 Pub. L. 103–160, div. A, title IX, § 906(a)107 Stat. 1729 Pub. L. 103–337, div. A, title IX, § 903(b)(1)108 Stat. 2823 Pub. L. 104–106, div. A, title IX, § 903(e)(1)110 Stat. 402 Pub. L. 104–201, div. A, title IX, § 901110 Stat. 2617 Pub. L. 106–65, div. A, title IX, § 911(d)(1)113 Stat. 719 Pub. L. 107–314, div. A, title IX, § 901(b)(1)116 Stat. 2619 Pub. L. 110–181, div. A, title IX, § 904(a)(4)122 Stat. 274 Pub. L. 110–417122 Stat. 4613 Pub. L. 111–383, div. A, title IX, § 901(b)(2)124 Stat. 4317 Pub. L. 113–291, div. A, title IX, § 901(a)(2)128 Stat. 3463 Pub. L. 114–328, div. A, title IX130 Stat. 2342 Pub. L. 115–91, div. A, title IX131 Stat. 1513 Pub. L. 115–232, div. A, title X, § 1081(a)(3)132 Stat. 1983 Pub. L. 116–92, div. A, title XVI, § 1621(e)(1)(A)(i)133 Stat. 1733 Pub. L. 116–283, div. A, title IX, § 901(a)(2)(A)134 Stat. 3794 (Added , , ; amended , , ; , , ; , , ; , , ; , , ; , , ; , , ; , [div. A], title X, § 1061(b)(7), , ; , (m)(1), , , 4326; , (b)(2), (j)(1)(A), (k)(1), (n)(1), , , 3467, 3469; , §§ 901(d), (f), 902(b), 933(a)(3), , , 2344, 2364; , §§ 906(d)(1), 910(c)(1), title X, § 1081(b)(1)(A), (D), (d)(9), , , 1518, 1597, 1600; , (f)(1)(B), , , 1986; , title XVII, § 1731(a)(7), , , 1812; , title XVIII, § 1847(e)(6)(A), , , 4257.)

Editorial Notes

Prior Provisions

section 111 of this titleA prior section 131 was renumbered .

Amendments

Pub. L. 116–283, § 901(a)(2)(A)2021—Subsec. (b)(2). , struck out par. (2) which read as follows: “The Chief Management Officer of the Department of Defense.”

Pub. L. 116–283, § 1847(e)(6)(A)Subsec. (b)(8)(F). , substituted “section 4273(a)” for “section 2438(a)”.

Pub. L. 116–92, § 1621(e)(1)(A)(i)2019—Subsec. (b)(3)(F). , substituted “Under Secretary of Defense for Intelligence and Security” for “Under Secretary of Defense for Intelligence”.

Pub. L. 116–92, § 1731(a)(7)Subsec. (b)(8)(F), (I). , redesignated subpar. (I) as (F).

Pub. L. 115–232, § 1081(f)(1)(B)2018—Subsec. (b)(4) to (9). , redesignated pars. (5) to (10) as (4) to (9), respectively, and struck out former par. (4) which read as follows: “The Deputy Chief Management Officer of the Department of Defense.”

Pub. L. 115–232, § 1081(a)(3)Subsec. (b)(9)(B) to (H). , redesignated subpars. (E) to (H) as (B) to (E), respectively, and struck out former subpars. (B) to (D) which read as follows:

section 139b(a) of this title“(B) The Deputy Assistant Secretary of Defense for Developmental Test and Evaluation appointed pursuant to .

section 139b(b) of this title“(C) The Deputy Assistant Secretary of Defense for Systems Engineering appointed pursuant to .

section 139c of this title“(D) The Deputy Assistant Secretary of Defense for Manufacturing and Industrial Base Policy appointed pursuant to .”

Pub. L. 115–232, § 1081(f)(1)(B)Subsec. (b)(10). , redesignated par. (10) as (9).

Pub. L. 115–91, § 1081(b)(1)(A)Pub. L. 113–291, § 901(j)(1)(A)2017—Subsec. (b). , repealed . See 2014 Amendment notes below.

Pub. L. 115–91, § 910(c)(1)Subsec. (b)(2) to (4). , added par. (2) and redesignated pars. (2) to (4) as (3) to (5), respectively.

Pub. L. 115–91, § 1081(d)(9)Pub. L. 114–328, § 902(b)Subsec. (b)(5). , made technical correction to directory language of . See 2016 Amendment note below.

Pub. L. 115–91, § 910(c)(1)(A), redesignated par. (4) as (5). Former par. (5) redesignated (6).

Pub. L. 115–91, § 910(c)(1)(A)Subsec. (b)(6). , redesignated par. (5) as (6). Former par. (6) redesignated (7).

Pub. L. 115–91, § 906(d)(1), amended par. (6) generally. Prior to amendment, par. (6) read as follows: “The Principal Deputy Under Secretaries of Defense.”

Pub. L. 115–91, § 910(c)(1)(A)Subsec. (b)(7) to (10). , redesignated pars. (6) to (9) as (7) to (10), respectively.

Pub. L. 114–328, § 901(f)2016—Subsec. (b)(2). , added subpars. (A) and (B), redesignated former subpars. (B) to (E) as (C) to (F), respectively, and struck out former subpar. (A), which read as follows: “The Under Secretary of Defense for Acquisition, Technology, and Logistics.”

Pub. L. 114–328, § 901(d)Pub. L. 113–291, § 901(a)(2), repealed . See 2014 Amendment note below.

Pub. L. 114–328, § 902(b)Pub. L. 115–91, § 1081(d)(9)Subsec. (b)(5). , as amended by , inserted “, who reports directly to the Secretary and Deputy Secretary without intervening authority” before period at end.

Pub. L. 114–328, § 933(a)(3)Subsec. (b)(8)(G). , substituted “Director of Military Family Readiness Policy” for “Director of Family Policy”.

Pub. L. 113–291, § 901(a)(2)Pub. L. 114–328, § 901(d)2014—Subsec. (b)(2). , which directed adding subpar. (A) reading “The Under Secretary of Defense for Business Management and Information.” and redesignating former subpars. (A) to (E) as (B) to (F), respectively, was repealed by .

Pub. L. 113–291, § 901(j)(1)(A)Pub. L. 115–91, § 1081(b)(1)(A)Subsec. (b)(5) to (7). , which directed striking out par. (5) and redesignating pars. (6) to (8) as (5) to (7), respectively, was repealed by .

Pub. L. 113–291, § 901(b)(2), added par. (5) and redesignated former pars. (5) and (6) as (6) and (7), respectively. Former par. (7) redesignated (8).

Pub. L. 113–291, § 901(j)(1)(A)(ii)Pub. L. 115–91, § 1081(b)(1)(A)Subsec. (b)(8). , which directed redesignating par. (9) as (8), was repealed by .

Pub. L. 113–291, § 901(k)(1), added subpar. (A) and redesignated former subpars. (A) to (H) as (B) to (I), respectively.

Pub. L. 113–291, § 901(b)(2)(A), redesignated par. (7) as (8). Former par. (8) redesignated (9).

Pub. L. 113–291, § 901(j)(1)(A)(ii)Pub. L. 115–91, § 1081(b)(1)(A)Subsec. (b)(9). , which directed redesignating par. (9) as (8), was repealed by .

Pub. L. 113–291, § 901(b)(2)(A), redesignated par. (8) as (9).

Pub. L. 111–383, § 901(m)(1)2011—Subsec. (a). , substituted “the Secretary’s” for “his”.

Pub. L. 111–383, § 901(b)(2)Subsec. (b). , amended subsec. (b) generally. Prior to amendment, subsec. (b) related to the composition of the Office of the Secretary of Defense.

Pub. L. 110–181Pub. L. 110–4172008—Subsec. (b)(3) to (9). , as amended by , added par. (3) and redesignated former pars. (3) to (8) as (4) to (9), respectively.

Pub. L. 107–3142002—Subsec. (b)(2) to (11). added par. (2), redesignated pars. (6) to (11) as (3) to (8), respectively, and struck out former pars. (2) to (5) which read as follows:

“(2) The Under Secretary of Defense for Acquisition, Technology, and Logistics.

“(3) The Under Secretary of Defense for Policy.

“(4) The Under Secretary of Defense (Comptroller).

“(5) The Under Secretary of Defense for Personnel and Readiness.”

Pub. L. 106–651999—Subsec. (b)(2). substituted “Under Secretary of Defense for Acquisition, Technology, and Logistics” for “Under Secretary of Defense for Acquisition and Technology”.

Pub. L. 104–106, § 903(a)Pub. L. 104–2011996—Subsec. (b)(6) to (11). , (e)(1), which directed amendment of subsec. (b), eff. , by striking out pars. (6) and (8) and redesignating pars. (7), (9), (10), and (11) as (6), (7), (8), and (9), respectively, was repealed by .

Pub. L. 103–3371994—Subsec. (b)(4). substituted “Under Secretary of Defense (Comptroller)” for “Comptroller”.

Pub. L. 103–1601993—Subsec. (b). amended subsec. (b) generally. Prior to amendment, subsec. (b) read as follows: “The Office of the Secretary of Defense is composed of the following:

“(1) The Deputy Secretary of Defense.

“(2) The Under Secretary of Defense for Acquisition.

“(3) The Under Secretary of Defense for Policy.

“(4) The Director of Defense Research and Engineering.

“(5) The Assistant Secretaries of Defense.

“(6) The Comptroller of the Department of Defense.

“(7) The Director of Operational Test and Evaluation.

“(8) The General Counsel of the Department of Defense.

“(9) The Inspector General of the Department of Defense.

“(10) Such other offices and officials as may be established by law or the Secretary of Defense may establish or designate in the Office.”

Statutory Notes and Related Subsidiaries

Effective Date of 2021 Amendment

Pub. L. 116–283, div. A, title IX, § 901(a)(4)134 Stat. 3794

section 132a of this titlesection 5313 of Title 5“The repeals and amendments made by this subsection [amending this section and repealing and provisions set out as notes preceding this section and under this section, sections 132 and 132a of this title, and , Government Organization and Employees] shall take effect on the date of the enactment of this Act [].”
, , , provided that:

section 1847(e)(6)(A) of Pub. L. 116–283section 1801(d) of Pub. L. 116–283section 3001 of this titleAmendment by effective , with additional provisions for delayed implementation and applicability of existing law, see , set out as a note preceding .

Effective Date of 2017 Amendment

Pub. L. 115–91, div. A, title IX, § 910(c)131 Stat. 1518 section 901 of Pub. L. 114–328Pub. L. 116–283, div. A, title IX, § 901(a)(2)(B)134 Stat. 3794 , , , which provided that the amendment made by section 910(c)(1) was effective on , and immediately after the coming into effect of the amendments made by , was repealed by , , .

Pub. L. 115–91, div. A, title X, § 1081(b)(1)131 Stat. 1597 , , , provided that the amendment made by section 1081(b)(1)(A), (D) is effective as of .

Pub. L. 115–91, div. A, title X, § 1081(d)131 Stat. 1599 Pub. L. 114–328, , , provided that the amendment made by section 1081(d)(9) is effective as of , and as if included in as enacted.

Effective Date of 2016 Amendment

Pub. L. 114–328, div. A, title IX, § 901(f)130 Stat. 2342 , , , provided that the amendment made by section 901(f) is effective on .

Effective Date of 2014 Amendment

Pub. L. 113–291, div. A, title IX, § 901(a)(2)128 Stat. 3463 section 901(a)(1) of Pub. L. 113–291Pub. L. 114–328, div. A, title IX, § 901(d)130 Stat. 2342 , , , which provided that the amendment made by section 901(a)(2) was effective on the effective date specified in former , which was , was repealed by , , .

Pub. L. 113–291, div. A, title IX, § 901(j)(1)128 Stat. 3467 section 901(a)(1) of Pub. L. 113–291Pub. L. 115–91, div. A, title X, § 1081(b)(1)(A)131 Stat. 1597 , , , which provided that the amendment made by section 901(j)(1)(A) was effective on the effective date specified in former , which was , was repealed by , , .

Effective Date of 2011 Amendment

Pub. L. 111–383, div. A, title IX, § 901(p)124 Stat. 4327

“(1)

In general .—

Except as provided in paragraph (2), this section [see Tables for classification] and the amendments made by this section shall take effect on .
“(2)

Certain matters .—

section 137a of this titleoSubsection (i) [enacting and amending provisions set out as notes under ] and the amendments made by that subsection, and subsection () [enacting provisions set out as a note under this section], shall take effect on the date of the enactment of this Act [].”
, , , provided that:

Effective Date of 2008 Amendment

Pub. L. 110–417Pub. L. 110–181section 1061(b) of Pub. L. 110–417section 6382 of Title 5Amendment by effective , and as if included in as enacted, see , set out as a note under , Government Organization and Employees.

Effective Date of 1996 Amendment

Pub. L. 104–106, div. A, title IX, § 903(a)110 Stat. 401 section 903 of Pub. L. 104–106section 167 of this titlePub. L. 104–201, div. A, title IX, § 901110 Stat. 2617 , , , which provided that the amendments made by (amending this section and sections 138, 176, 1056, 1216, 1587, and 10201 of this title, repealing sections 133a, 134a, 137, and 142 of this title, and amending provisions set out as a note under ) were to take effect on , was repealed by , , .

Establishment and Assignment of Roles and Responsibilities for Combined Joint All-Domain Command and Control in Support of Integrated Joint Warfighting

Pub. L. 118–31, div. A, title IX, § 904137 Stat. 363

“(a)

In General .—

The Secretary of Defense shall establish, and assign to appropriate components of the Office of the Secretary, roles and responsibilities relating to—
“(1)
the development of combined joint all-domain command and control (commonly known as ‘CJADC2’) capabilities in support of integrated joint warfighting; and
“(2)
the delivery of such capabilities to the combatant commands.
“(b)

Roles and Responsibilities .—

The roles and responsibilities established and assigned under subsection (a) shall include, at a minimum, the following:
“(1)
Identifying new technology and operational concepts for experimentation and prototyping for delivery to the Joint Force to address key operational challenges.
“(2)
Providing technical support for the Joint Force in exploring and analyzing new combined joint all-domain command and control capabilities and operational concepts, including through advanced modeling and simulation.
“(3)
Executing experimentation associated with such capabilities through the Rapid Defense Experimentation Reserve or another mechanism.
“(4)
Enabling the acquisition of cross-domain, joint, and cross-system mission capabilities, including resourcing of modifications necessary for integration and interoperability among mission components.
“(5)
Ensuring the effectiveness of cross-domain, joint, and cross-system mission capabilities through analysis and testing.
“(6)
Creating and operating a complete capability for software development that allows for iterative, secure, and continuous deployment of developmental, prototype, and operational tools and capabilities from multiple vendors to test networks and operational networks for combatant commanders to—
“(A)
gain operational awareness, make decisions, and take actions;
“(B)
integrate relevant data sources to support target selection, target prioritization, and weapon-target pairing; and
“(C)
assign targets through networks, tools, and systems of the Armed Forces and combat support agencies.
“(c)

Initial Prioritization .—

In establishing an initial set of roles and responsibilities under subsection (a), the Secretary of Defense shall prioritize the development and delivery of capabilities that meet the requirements of the United States Indo-Pacific Command.
“(d)

Briefings Required .—

Not later than 90 days after the date of the enactment of this Act [], and not less frequently than once every 180 days thereafter through , the Secretary of Defense shall provide to the congressional defense committees [Committees on Armed Services and Appropriations of the Senate and the House of Representatives] a briefing on—
“(1)
any activities carried out in accordance with the roles and responsibilities under subsection (a); and
“(2)
any plans associated with such roles and responsibilities.”
, , , provided that:

Responsibilities for National Mobilization; Personnel Requirements

Pub. L. 117–81, div. A, title X, § 1089135 Stat. 1925

“(a)

Executive Agent for National Mobilization .—

The Secretary of Defense shall designate a senior civilian official within the Office of the Secretary of Defense as the Executive Agent for National Mobilization. The Executive Agent for National Mobilization shall be responsible for—
“(1)
50 U.S.C. 3801 developing, managing, and coordinating policy and plans that address the full spectrum of military mobilization readiness, including full mobilization of personnel from volunteers to other persons inducted into the Armed Forces under the Military Selective Service Act ( et seq.);
“(2)
providing Congress and the Selective Service System with updated requirements and timelines for obtaining inductees in the event of a national emergency requiring mass mobilization and induction of personnel under the Military Selective Service Act for training and service in the Armed Forces; and
“(3)
providing Congress with a plan, developed in coordination with the Selective Service System, to induct large numbers of volunteers who may respond to a national call for volunteers during an emergency.
“(b)

Report Required .—

Not later than one year after the date of the enactment of this Act [], the Secretary of Defense shall submit to Congress a plan for obtaining inductees as part of a mobilization timeline for the Selective Service System. The plan shall include a description of resources, locations, and capabilities of the Armed Forces required to train, equip, and integrate personnel inducted into the Armed Forces under the Military Selective Service Act into the total force, addressing scenarios that would include 300,000, 600,000, and 1,000,000 new volunteer and other personnel inducted into the Armed Forces under the Military Selective Service Act. The plan may be provided in classified form.”
, , , provided that:

Oversight of Registered Sex Offender Management Program

Pub. L. 115–232, div. A, title V, § 544132 Stat. 1763

“(a)

Designation of Official or Entity .—

The Secretary of Defense shall designate a single official or existing entity within the Office of the Secretary of Defense to serve as the official or entity (as the case may be) with principal responsibility in the Department of Defense for providing oversight of the registered sex offender management program of the Department.
“(b)

Duties .—

The official or entity designated under subsection (a) shall—
“(1)
monitor compliance with Department of Defense Instruction 5525.20 and other relevant polices;
“(2)
compile data on members serving in the military departments who have been convicted of a qualifying sex offense, including data on the sex offender registration status of each such member;
“(3)
maintain statistics on the total number of active duty service members in each military department who are required to register as sex offenders; and
“(4)
perform such other duties as the Secretary of Defense determines to be appropriate.
“(c)

Briefing Required .—

Not later than , the Secretary of Defense shall provide to the Committee on Armed Services of the House of Representatives a briefing on—
“(1)
the compliance of the military departments with the policies of the Department of Defense relating to registered sex offenders;
“(2)
the results of the data compilation described in subsection (b)(2); and
“(3)
any other matters the Secretary determines to be appropriate.
“(d)

Military Departments Defined .—

section 101(a)(8) of title 10In this section, the term ‘military departments’ has the meaning given that term in , United States Code.”
, , , provided that:

Framework for Oversight of Countering Weapons of Mass Destruction Policy, Programs, and Activities

Pub. L. 115–232, div. A, title X, § 1082(b)132 Stat. 1988

“(b)

Oversight Plan .—

Not later than 180 days after the date of the enactment of this Act [], the Secretary of Defense shall submit to the congressional defense committees [Committees on Armed Services and Appropriations of the Senate and the House of Representatives] a plan to streamline the oversight framework of the Office of the Secretary of Defense, including any efficiencies and the potential to reduce, realign, or otherwise restructure current Assistant Secretary and Deputy Assistant Secretary positions with responsibilities for overseeing countering weapons of mass destruction policy, programs, and activities.
“(c)

Directive .—

Not later than 90 days after the submission of the oversight plan under subsection (b), the Secretary of Defense shall issue a directive for the implementation of the oversight plan by the Countering Weapons of Mass Destruction-Unity of Effort Council.”
, (c), , , provided that:

Designation of Office Within Office of the Secretary of Defense To Oversee Use of Food Assistance Programs by Members of the Armed Forces on Active Duty

Pub. L. 115–91, div. A, title V, § 583131 Stat. 1416

“Not later than 90 days after the date of the enactment of this Act [], the Secretary of Defense shall designate an office or official within the Office of the Secretary of Defense for purposes as follows:
“(1)
To discharge responsibility for overseeing the efforts of the Department of Defense to collect, analyze, and monitor data on the use of food assistance programs by members of the Armed Forces on active duty.
“(2)
To establish and maintain relationships with other departments and agencies of the Federal Government to facilitate the discharge of the responsibility specified in paragraph (1).”
, , , provided that:

Chief Management Officer

Pub. L. 114–328, div. A, title IX, § 901(c)(1)130 Stat. 2341 Pub. L. 115–91, div. A, title IX, § 910(b)(1)131 Stat. 1517 –(3), , , which established the position of Chief Management Officer of the Department of Defense, effective , was repealed by , , .

Secretary of Defense Delivery Unit

Pub. L. 114–328, div. A, title IX, § 913130 Stat. 2349

“(a)

In General .—

The Secretary of Defense serving in that position as of , may establish within the Office of the Secretary of Defense a unit of personnel that shall be responsible for providing expertise and support throughout the Department of Defense in an effort to improve the implementation of policies and priorities across the Department. The unit may be known as the ‘delivery unit’.
“(b)

Composition .—

The unit established pursuant to subsection (a) shall consist of not more than 30 individuals selected by the Secretary primarily from among individuals outside the Government who have significant experience and expertise in management consulting, organizational architecture, relationship management, or data analytics.
“(c)

Duties .—

The unit established pursuant to subsection (a) shall have the duties as follows:
“(1)
To advise the Secretary on improving the implementation and delivery of policies and priorities of the Department, including making recommendations on establishing performance or implementation targets, assisting in the development of delivery plans to achieve targets, and monitoring and measuring progress.
“(2)
To work across organizations, missions, and functions of the Department in order to identify obstacles to improving the implementation of policies and priorities of the Department, including organization, culture, and incentives, and to recommend options to the Secretary for addressing such obstacles.
“(d)

Sunset .—

The unit established pursuant to subsection (a) shall sunset on .”
, , , provided that:

References

Pub. L. 113–291, div. A, title IX, § 901(n)128 Stat. 3469 Pub. L. 115–91, div. A, title X, § 1081(b)(1)(D)131 Stat. 1597

“[(1)
Pub. L. 115–91, div. A, title X, § 1081(b)(1)(D)131 Stat. 1597 Repealed. , , .]
“(2)

ASDEIE.—

Any reference to the Assistant Secretary of Defense for Operational Energy Plans and Programs or to the Deputy Under Secretary of Defense for Installations and Environment in any provision of law or in any rule, regulation, or other paper of the United States shall be deemed to refer to the Assistant Secretary of Defense for Energy, Installations, and Environment.”
, , , as amended by , , , provided that:

Redesignation of Certain Positions in Office of Secretary of Defense

Pub. L. 111–383, div. A, title IX, § 901(a)124 Stat. 4317

“(1)

Redesignation .—

Positions in the Office of the Secretary of Defense are hereby redesignated as follows:
“(A)
The Director of Defense Research and Engineering is redesignated as the Assistant Secretary of Defense for Research and Engineering.
“(B)
The Director of Operational Energy Plans and Programs is redesignated as the Assistant Secretary of Defense for Operational Energy Plans and Programs [now Assistant Secretary of Defense for Energy, Installations, and Environment].
“(C)
The Assistant to the Secretary of Defense for Nuclear and Chemical and Biological Defense Programs is redesignated as the Assistant Secretary of Defense for Nuclear, Chemical, and Biological Defense Programs.
“(2)

References .—

Any reference in any law, rule, regulation, paper, or other record of the United States to an office of the Department of Defense redesignated by paragraph (1) shall be deemed to be a reference to such office as so redesignated.”
, , , provided that:

Inapplicability of Appointment Requirement to Certain Individuals Serving on Effective Date

Pub. L. 111–383, div. A, title IX, § 901o124 Stat. 4327

“(1)

In general .—

Notwithstanding this section [see Tables for classification] and the amendments made by this section, the individual serving as specified in paragraph (2) on , may continue to serve in the applicable position specified in that paragraph after that date without the requirement for appointment by the President, by and with the advice and consent of the Senate.
“(2)

Covered individuals and positions .—

The individuals and positions specified in this paragraph are the following:
“(A)
In the case of the individual serving as Director of Defense Research and Engineering, the position of Assistant Secretary of Defense for Research and Engineering.
“(B)
In the case of the individual serving as Director of Operational Energy Plans and Programs, the position of Assistant Secretary of Defense for Operational Energy Plans and Programs.
“(C)
In the case of the individual serving as Assistant to the Secretary of Defense for Nuclear and Chemical and Biological Defense Programs, the position of Assistant Secretary of Defense for Nuclear, Chemical, and Biological Defense Programs.”
(), , , provided that:

Defense Acquisition Workforce

Pub. L. 105–85, div. A, title IX, § 912(a)111 Stat. 1860 –(e), , , 1861, required Secretary of Defense to accomplish reductions in defense acquisition personnel positions, to report on specific acquisition positions previously eliminated, to submit an implementation plan to streamline and improve acquisition organizations, to review acquisition organizations and functions, and to require certain duties of Task Force on Defense Reform.

Reduction of Personnel Assigned to Office of the Secretary of Defense

Pub. L. 104–201, div. A, title IX, § 903110 Stat. 2617 section 143 of this titlePub. L. 105–85, div. A, title IX, § 911(d)(1)111 Stat. 1859 , , , which provided for phased reduction of number of personnel assigned to or employed in functions in Office of the Secretary of Defense, was repealed and restated in by , (3), , , 1860.

Organization of Office of the Secretary of Defense

Pub. L. 104–106, div. A, title IX, § 901110 Stat. 399 Pub. L. 104–201, div. A, title IX, § 903(g)110 Stat. 2618 , , , as amended by , , , directed the Secretary of Defense to conduct a review of the organizations and functions of the Office of the Secretary of Defense and the personnel needed to carry out those functions, and to submit to the congressional defense committees a report containing findings, conclusions, and a plan for implementing recommendations not later than .

Pub. L. 99–433, title I, § 109100 Stat. 999 , , , directed the Secretary of Defense, the Secretaries of the military departments, and the Chairman of the Joint Chiefs of Staff to conduct studies of the functions and organization of the Office of the Secretary of Defense, required the Secretaries of the military departments and the Chairman of the Joint Chiefs of Staff to submit reports on their studies to the Secretary of Defense, and directed the Secretary of Defense to submit a report on the Secretary’s study to Congress not later than one year after .