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10 U.S.C. § 131 — Office of the Secretary of Defense
Federal law — U.S. Code and appendices · legal_authorities
**(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(2) Repealed. Pub. L. 116–283, div. A, title IX, § 901(a)(2)(A), Jan. 1, 2021, 134 Stat. 3794.]
(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) The two Deputy Directors within the Office of the Director of Cost Assessment and Program Evaluation under [section 139a(c) of this t
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Source file: Laws/federal/codes/united-states-code/title-10/section-131-office-of-the-secretary-of-defense--7ef4acf20f.md
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Source location: Title 10, Chapter 4, § 131; chapter-004-office-of-the-secretary-of-defense.md
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**(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) Repealed. Pub. L. 116–283, div. A, title IX, § 901(a)(2)(A), Jan. 1, 2021, 134 Stat. 3794.]
(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) The two Deputy Directors within the Office of the Director of Cost Assessment and Program Evaluation under [section 139a(c) of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title10-section139a/c&num=0&edition=prelim).
(B) The Director of Small Business Programs appointed pursuant to [section 144 of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title10-section144&num=0&edition=prelim).
(C) The official designated under [section 1501(a) of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title10-section1501/a&num=0&edition=prelim) to have responsibility for Department of Defense matters relating to missing persons as set forth in [section 1501 of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title10-section1501&num=0&edition=prelim).
(D) The Director of Military Family Readiness Policy under [section 1781 of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title10-section1781&num=0&edition=prelim).
(E) The Director of the Office of Corrosion Policy and Oversight assigned pursuant to [section 2228(a) of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title10-section2228/a&num=0&edition=prelim).
(F) The official designated under [section 4273(a) of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title10-section4273/a&num=0&edition=prelim) 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.
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Federal law — U.S. Code and appendices · legal_authorities
**(a)** The Department of Defense is an executive department of the United States.
**(b)** The Department is composed of the following:
(1) The Office of the Secretary of Defense.
(2) The Joint Chiefs of Staff.
(3) The Joint Staff.
(4) The Defense Agencies.
(5) Department of Defense Field Activities.
(6) The Department of the Army.
(7) The Department of the Navy.
(8) The Department of the Air Force.
(9) The unified and specified combatant commands.
(10) Such other offices, agencies, activities, and commands as may be established or designated by law or by the President.
(11) All offices, agencies, activities, and commands under the control or supervision of any element named in paragraphs (1) through (10).
**(c)** If the President establishes or designates an office, agency, activity, or command in the Department of Defense of a kind other than those described in paragraphs (1) through (9) of subsection (b), the President shall notify Congress not later than 60 days thereafter.
Source: Supplied U.S. Code snapshot — release unconfirmed · 10 U.S.C. § 111
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Federal law — U.S. Code and appendices · legal_authorities
**(a) Director.—** There is a Director of Small Business Programs in the Department of Defense. The Director is appointed by the Secretary of Defense.
**(b) Office of Small Business Programs.—** The Office of Small Business Programs of the Department of Defense is the office that is established within the Office of the Secretary of Defense under section 15(k) of the Small Business Act ([15 U.S.C. 644(k)](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title15-section644/k&num=0&edition=prelim)). The Director of Small Business Programs is the head of such office.
**(c) Duties and Powers.—**
(1) The Director of Small Business Programs shall, subject to paragraph (2), perform such duties regarding small business programs of the Department of Defense, and shall exercise such powers regarding those programs, as the Secretary of Defense may prescribe.
(2) Section 15(k) of the Small Business Act ([15 U.S.C. 644(k)](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title15-section644/k&num=0&edition=prelim)), except for the designations of the Director and the Office, applies to the Director of Small Business Programs.
Source: Supplied U.S. Code snapshot — release unconfirmed · 10 U.S.C. § 144
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Federal law — U.S. Code and appendices · legal_authorities
**(a) Responsibility for Missing Persons.—**
(1)
(A) The Secretary of Defense shall designate a single organization within the Department of Defense to have responsibility for Department matters relating to missing persons from past conflicts, including accounting for missing persons and persons whose remains have not been recovered from the conflict in which they were lost.
(B) The organization designated under this paragraph shall be a Defense Agency or other entity of the Department of Defense outside the military departments and is referred to in this chapter as the “designated Defense Agency”.
(C) The head of the organization designated under this paragraph is referred to in this chapter as the “designated Agency Director”.
(2) Subject to the authority, direction, and control of the Secretary of Defense, the responsibilities of the designated Agency Director shall include the following:
(A) Policy, control, and oversight of the program established under [section 1509 of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title10-section1509&num=0&edition=prelim).
(B) Responsibility for accounting for missing persons from past conflicts, including locating, recovering, and identifying missing persons from past conflicts or their remains after hostilities have ceased.
(C) Coordination for the Department of Defense with other departments and agencies of the United States on all matters concerning missing persons from past conflicts.
(D) Dissemination of appropriate information on the status of missing persons from past conflicts to authorized family members.
(E) Establishment of a means for communication between officials of the designated Defense Agency and family members of missing persons from past conflicts, veterans
Source: Supplied U.S. Code snapshot — release unconfirmed · 10 U.S.C. § 1501
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Federal law — U.S. Code and appendices · legal_authorities
**(a)** This Act may be cited as the “Military Selective Service Act”.
**(b)** The Congress declares that an adequate armed strength must be achieved and maintained to insure the security of this Nation.
**(c)** The Congress further declares that in a free society the obligations and privileges of serving in the armed forces and the reserve components thereof should be shared generally, in accordance with a system of selection which is fair and just, and which is consistent with the maintenance of an effective national economy.
**(d)** The Congress further declares, in accordance with our traditional military policy as expressed in the National Defense Act of 1916, as amended, that it is essential that the strength and organization of the National Guard, both Ground and Air, as an integral part of the first line defenses of this Nation, be at all times maintained and assured.To this end, it is the intent of the Congress that whenever Congress shall determine that units and organizations are needed for the national security in excess of those of the Regular components of the Ground Forces and the Air Forces, and those in active service under this chapter, the National Guard of the United States, both Ground and Air, or such part thereof as may be necessary, together with such units of the Reserve components as are necessary for a balanced force, shall be ordered to active Federal service and continued therein so long as such necessity exists.
**(e)** The Congress further declares that adequate provision for national security requires maximum effort in the fields of scientific research and development, and the fullest possible utilization of the Nation’s technological, scientific, and other critical manpower resources.
**(f)** The Congress further declares that the S
Source: Supplied U.S. Code snapshot — release unconfirmed · 50 U.S.C. § 3801
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Federal law — U.S. Code and appendices · legal_authorities
**(a) Permanent Limitation on OSD Personnel.—** The number of OSD personnel may not exceed 4,300.
**(b) OSD Personnel Defined.—** For purposes of this section, the term “OSD personnel” means military and civilian personnel of the Department of Defense who are assigned to, or employed in, functions in the Office of the Secretary of Defense (including Direct Support Activities of that Office and the Washington Headquarters Services of the Department of Defense).
**(c) Limitation on Reassignment of Functions.—** In carrying out reductions in the number of personnel assigned to, or employed in, the Office of the Secretary of Defense in order to comply with this section, the Secretary of Defense may not reassign functions solely in order to evade the requirements contained in this section.
Source: Supplied U.S. Code snapshot — release unconfirmed · 10 U.S.C. § 143
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Federal law — U.S. Code and appendices · legal_authorities
### Statutory Notes
Section, added § 139e and renumbered § 139c, Pub. L. 111–383, div. A, title VII, § 896(a), title IX, § 901(f), Jan. 7, 2011, 124 Stat. 4314, 4322; amended Pub. L. 112–81, div. A, title VIII, § 855, Dec. 31, 2011, 125 Stat. 1521; Pub. L. 112–239, div. A, title IX, § 901(a), (b), title X, § 1076(a)(13), (b)(3), Jan. 2, 2013, 126 Stat. 1863, 1864, 1948, 1949; Pub. L. 114–328, div. A, title X, § 1081(b)(4)(A), Dec. 23, 2016, 130 Stat. 2419, related to Deputy Assistant Secretary of Defense for Manufacturing and Industrial Base Policy.
A prior section 139c was renumbered [section 139a of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title10-section139a&num=0&edition=prelim).
Another prior section 139c was renumbered [section 2434 of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title10-section2434&num=0&edition=prelim).
Source: Supplied U.S. Code snapshot — release unconfirmed · 10 U.S.C. § 139c
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Federal law — U.S. Code and appendices · legal_authorities
**(a) Establishment.—**
(1) There is a Performance Improvement Officer of the Department of Defense, to be appointed by the Secretary of Defense from among the ranks of qualified individuals from the senior career civil service.
(2) The Performance Improvement Officer shall be appointed from among persons described in paragraph (1) who have an extensive management or business background and experience with managing large or complex organizations, organizational change management, or business transformation activities.
**(b) Deputy.—** The Performance Improvement Officer shall be supported by a Deputy who shall be appointed by the Secretary of Defense from among the ranks of qualified individuals from the senior career civil service. The Deputy shall be the first assistant to the Performance Improvement Officer and shall assist that Officer in the performance of the duties of that position and shall act for, and exercise the powers of, the Officer when that Officer dies, resigns, or is otherwise unable to perform the functions and duties of the office.
**(c) Duties and Responsibilities.—** Subject to the authority, direction, and control of the Secretary of Defense and the Deputy Secretary of Defense, the Performance Improvement Officer shall perform such duties, exercise such powers, and have such responsibilities as the Secretary or the Deputy Secretary may prescribe, including the following:
(1) Responsibility for updating and implementing the Strategic Management Plan of the Department of Defense required by section 904(d) of the National Defense Authorization Act for Fiscal Year 2008 (Public Law 110–181; 10 U.S.C. note prec. 2201).
(2) Responsibility for chairing the Defense Performance Improvement Council (or any successor organization).
(3) Responsibility f
Source: Supplied U.S. Code snapshot — release unconfirmed · 10 U.S.C. § 132a
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Federal law — U.S. Code and appendices · legal_authorities
**(a)**
(1) Subject to section 6383 and subsection (d)(2) of this section, an employee shall be entitled to a total of 12 administrative workweeks of leave during any 12-month period for one or more of the following:
(A) Because of the birth of a son or daughter of the employee and in order to care for such son or daughter.
(B) Because of the placement of a son or daughter with the employee for adoption or foster care.
(C) In order to care for the spouse, or a son, daughter, or parent, of the employee, if such spouse, son, daughter, or parent has a serious health condition.
(D) Because of a serious health condition that makes the employee unable to perform the functions of the employee’s position.
(E) Because of any qualifying exigency arising out of the fact that the spouse, or a son, daughter, or parent of the employee is on covered active duty (or has been notified of an impending call or order to covered active duty) in the Armed Forces.
(2) The entitlement to leave under subparagraph (A) or (B) of paragraph (1) based on the birth or placement of a son or daughter shall expire at the end of the 12-month period beginning on the date of such birth or placement.
(3) Subject to section 6383, an employee who is the spouse, son, daughter, parent, or next of kin of a covered servicemember shall be entitled to a total of 26 administrative workweeks of leave during a 12-month period to care for the servicemember. The leave described in this paragraph shall only be available during a single 12-month period.
(4) Subject to subsection (d)(2), during the single 12-month period described in paragraph (3), an employee shall be entitled to a combined total of 26 administrative workweeks of leave under paragraphs (1) and (3). Nothing in this paragraph shall be con
Source: Supplied U.S. Code snapshot — release unconfirmed · 5 U.S.C. § 6382
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Federal law — U.S. Code and appendices · legal_authorities
**(a) Defense Acquisition System.—** In this part, the term “defense acquisition system” means—
(1) the workforce engaged in carrying out the acquisition of property and services for the Department of Defense;
(2) the management structure responsible for directing and overseeing the acquisition of property and services for the Department of Defense; and
(3) the statutory, regulatory, and policy framework that guides the acquisition of property and services for the Department of Defense.
**(b) Element of the Defense Acquisition System.—** In this part, the term “element of the defense acquisition system” means an organization that—
(1) employs members of the acquisition workforce;
(2) carries out acquisition functions; and
(3) focuses primarily on acquisition.
**(c) Acquisition.—** In this part, the term “acquisition” has the meaning provided in [section 131 of title 41](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title41-section131&num=0&edition=prelim).
Source: Supplied U.S. Code snapshot — release unconfirmed · 10 U.S.C. § 3001
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Federal law — U.S. Code and appendices · legal_authorities
**(a) Establishment.—** With the advice and assistance of the Chairman of the Joint Chiefs of Staff, the President, through the Secretary of Defense, shall establish under [section 161 of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title10-section161&num=0&edition=prelim) a unified combatant command for special operations forces (hereinafter in this section referred to as the “special operations command”). The principal function of the command is to prepare special operations forces to carry out assigned missions.
**(b) Assignment of Forces.—** Unless otherwise directed by the Secretary of Defense, all active and reserve special operations forces of the armed forces stationed in the United States shall be assigned to the special operations command.
**(c) Grade of Commander.—** The commander of the special operations command shall hold the grade of general or, in the case of an officer of the Navy, admiral while serving in that position, without vacating his permanent grade. The commander of such command shall be appointed to that grade by the President, by and with the advice and consent of the Senate, for service in that position.
**(d) Command of Activity or Mission.—**
(1) Unless otherwise directed by the President or the Secretary of Defense, a special operations activity or mission shall be conducted under the command of the commander of the unified combatant command in whose geographic area the activity or mission is to be conducted.
(2) The commander of the special operations command shall exercise command of a selected special operations mission if directed to do so by the President or the Secretary of Defense.
**(e) Authority of Combatant Commander.—**
(1) In addition to the authority prescribed in [section 164(c) of this tit
Source: Supplied U.S. Code snapshot — release unconfirmed · 10 U.S.C. § 167
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