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Under Secretary of Defense for Policy
Flag of the U.S. Under Secretary of Defense.svg
Flag of an Under Secretary of Defense
Seal of the United States Department of Defense.svg
Seal of the Department of Defense
Amanda J. Dory.jpg
Incumbent
Amanda J. Dory

since 27 April 2024
United States Department of Defense
Office of the Secretary of Defense
Style Madam Under Secretary
Reports to Secretary of Defense
Deputy Secretary of Defense
Appointer The President
with Senate advice and consent
Term length No fixed term
Formation 1978
First holder Stanley Rogers Resor
Succession 5th in SecDef succession
Deputy Principal Deputy Under Secretary of Defense for Policy
Salary Executive Schedule, level III

The United States under secretary of defense for policy (USDP) is a high level civilian official in the United States Department of Defense. The under secretary of defense for policy is the principal staff assistant and adviser to both the secretary of defense and the deputy secretary of defense for all matters concerning the formation of national security and defense policy.

The under secretary is normally appointed from civilian life by the president with the advice and consent of the Senate. The incumbent is acting under secretary Amanda J. Dory, who took office upon the resignation of acting under secretary Sasha Baker.

Overview

The Office of the Under Secretary of Defense for Policy is the principal staff element of the secretary of defense in the exercise of policy development, planning, resource management, fiscal, and program evaluation responsibilities, the rank of Under Secretary, the USD(P) is a Level III position within the Executive Schedule.

Reporting officials

Officials reporting to the USD(P) include:

  • Principal deputy under secretary of defense for policy

Strategy, Plans, & Capabilities

The assistant secretary of defense for strategy, plans, and capabilities (ASD(SPC)) is responsible for national security and defense strategy, leading the National Defense Strategy, emerging capabilities, security cooperation plans and policies, and force design and development planning.

  • The deputy assistant secretary of defense for force development and emerging capabilities provides advice advancing the force development priorities of the Secretary of Defense for implementing the defense strategy, including by devising, facilitating issuance of, and overseeing DoD Component compliance with force planning and programming guidance to balance Joint Force capability, capacity, and readiness for DoD's primary defense missions and emerging security challenges.
  • The deputy assistant secretary of defense for global partnerships provides advice on developing policy for security cooperation, humanitarian assistance, and international humanitarian affairs.
  • The deputy assistant secretary of defense for plans and posture provides advice on developing and implementing policy, strategic guidance, and oversight of the Department of Defense’s (DoD) operational planning and overseas posture.
  • The deputy assistant secretary of defense for strategy provides advice on developing the Department’s national defense strategy and for ensuring that the Department’s program and budget decisions support implementation of the strategy.

International Security Affairs

The assistant secretary of defense for international security affairs (ASD (ISA)) is responsible for international security strategy, defense policy, and oversight of security cooperation programs and foreign military sales programs relating to Europe, the North Atlantic Treaty Organization, Russia, Eurasia, the Middle East, Africa, and the Western Hemisphere.

  • The deputy assistant secretary of defense for African affairs provides advice on international security strategy, defense policy, and oversight of security cooperation programs relating to Sub-Sahara Africa.
  • The deputy assistant secretary of defense for the Middle East provides advice on international security strategy, defense policy, and oversight of security cooperation programs relating to the Middle East and North Africa.
  • The deputy assistant secretary of defense for Europe and NATO provides advice on international security strategy, defense policy, and oversight of security cooperation programs relating to Europe and NATO.
  • The deputy assistant secretary of defense for Russia, Ukraine, and Eurasia provides advice on international security strategy, defense policy, and oversight of security cooperation programs relating to conventional arms control, Russia, Ukraine, Western Balkans, and Eurasian nations.
  • The secretary of defense representative in the United States Mission to NATO.
  • The secretary of defense representative to the Organization for Security and Co-operation in Europe.

Homeland Defense & Hemispheric Affairs

The assistant secretary of defense for homeland defense and hemispheric affairs (ASD(HD&HA)) is responsible for the policy, strategy, and implementation guidance for national and global security issues across countering weapons of mass destruction, cyber operations, homeland defense activities, antiterrorism, continuity of government and mission assurance, and defense support to civil authorities. The ASD(HD&HA) is also responsible for the Protected Critical Infrastructure Program (PCII), the Domestic Preparedness Support Initiative, and the Defense Critical Infrastructure Program (DCIP).

  • The deputy assistant secretary of defense for countering weapons of mass destruction is responsible for the policy and guidance for chemical, biological, radiological, and nuclear protection, weapons of mass destruction countermeasures, and counterproliferation and non-proliferation.
  • The deputy assistant secretary of defense for homeland defense integration and defense support of civil authorities is responsible for the development, coordination, and oversight of the integration and implementation of plans and policy for defense support of civil authorities and civil-military co-operation.
  • The deputy assistant secretary of defense for defense continuity and mission assurance is responsible for the development of policies and plans for continuity of government, mission assurance, counterterrorism, emergency management, and critical infrastructure protection.

Special Operations & Low Intensity Conflict

The assistant secretary of defense for special operations/low-intensity conflict (ASD(SO/LIC)) is responsible for the policy, resources, strategic capabilities and force transformation, and oversight of special operations and low-intensity conflict matters of the United States Department of Defense across counterterrorism, unconventional warfare, direct action, special reconnaissance, foreign internal defense, civil affairs, information and psychological operations, and counterproliferation of weapons of mass destruction.

  • The deputy assistant secretary of defense for counternarcotics and global threats is responsible for the policy, resources, strategic capabilities and force transformation, and oversight of special capabilities for counternarcotics and global threats.
  • The deputy assistant secretary of defense for stability and humanitarian affairs is responsible for the policy, resources, strategic capabilities and force transformation, and oversight of conflict stabilization activities, peace operations, and humanitarian relief efforts.
  • The deputy assistant secretary of defense for special operations and combatting terrorism is responsible for the policy, resources, strategic capabilities and force transformation, and oversight of counterterrorism, counterinsurgency, foreign internal defense, and psychological operations as well as providing staff oversight of the United States Special Operations Command resources, budget, and program development issues.

Indo-Pacific Security Affairs

The assistant secretary of defense for Indo-Pacific security affairs (ASD(IPSA)) is responsible for international security strategy, defense policy, and oversight of security cooperation programs relating to the Asia-Pacific region.

Space Policy

The assistant secretary of defense for space policy (ASD(SP)) is responsible for the overall supervision of DoD policy for space warfighting, encompassing the Department’s strategic capabilities for integrated deterrence: space, nuclear weapons, cyber, missile defense, electromagnetic warfare, and countering weapons of mass destruction. Additionally, this position served as the Principal Cyber Advisor to the Secretary of Defense.

  • The deputy assistant secretary of defense for nuclear and cwmd policy provides advice on developing strategies, informing policies, and conducting oversight of nuclear deterrence policy and arms control, as well as developing and overseeing the implementation of strategies and policies of all countering weapons of mass destruction policy issues.
  • The deputy assistant secretary of defense for cyber policy provides advice on establishing DoD cyberspace policy and strategy, providing guidance and oversight on DoD cyberspace activities, and managing DoD’s primary external relationships across the U.S. government, key domestic stakeholders, and our allies and partners.
  • The deputy assistant secretary of defense for space and missile defense provides advice on space and integrated air and missile defense posture and policies.
  • The deputy principal cyber advisor provides advice on military cyber forces and activities and the implementation of the cyber strategy and execution of the cyber posture review.

Defense POW/MIA Accounting Agency

The director of the Defense POW/MIA Accounting Agency is responsible for the personnel recovery of United States Department of Defense personnel who are listed as prisoners of war (POW) or missing in action (MIA), from all past wars and conflicts around the world.

Defense Security Cooperation Agency

The director of the Defense Security Cooperation Agency is responsible for providing allies and partner nations with financial and technical assistance, transfer of defense matériel, training, and the promotion of military-to-military contacts.

Defense Technology Security Administration

The director of the Defense Technology Security Administration is responsible for the formulation and enforcement of technology security policies related to international transfers of defense-related goods, services, and technologies.

Budget

Budget features

  • Defense Critical Infrastructure Program (DCIP): Oversees policy formulation and strategic planning for the Defense Critical Infrastructure Program, to include the Defense Industrial Base, which provides defense-related products and services that are essential to equip; mobilize; deploy and sustain military operations, enabling the Warfighter to minimize risk. Ensures the resiliency of networked infrastructure assets, whether owned or operated by the DoD or private industry, that are critical to executing military missions. Activities include the identification, assessment, monitoring, and risk management of cyber and physical infrastructure assets critical to the execution of the National Military Strategy. DCIP is run under the auspices of the Office of the Assistant Secretary of Defense for Homeland Defense and Americas' Security Affairs, where it is overseen by the DASD, Homeland Defense Strategy and Force Planning.
  • Global Threat Management: Provides policy, guidance and oversight on existential threats, supranational threats and non-state actor threats. OUSD(P) fulfills this global mission by crafting and implementing initiatives to expand cultural understanding throughout the world in governed and ungoverned areas to aid in preventing the expansion of terrorist cells. Utilizes table top exercises to enable Members of Congress, Administration Officials, and DoD personnel to form strategies in addressing catastrophic security events. Active research and involvement in the ever-changing cyber environment to protect security assets and prevent sophisticated threats in cyberspace from adversaries domestic and foreign. This funding appears to primarily support the programs of the Office of the Assistant Secretary of Defense for Global Strategic Affairs.
  • Homeland Defense Support Activities: Formulates policy and conducts DoD strategic planning for homeland defense and defense support of civil authorities, including installation preparedness; CBRNE preparedness and consequence management; border security and National Security Special Events. Supports the U.S. Northern Command in homeland defense strategy, and enhances the U.S. Southern Command mission through engagement with the ministries of defense of Western Hemisphere nations. It supervises intradepartmental and inter-agency coordination of the above issues. Conducts oversight of DoD processes to exercise force readiness through the National Exercise Program. Manages defense continuity and conducts crisis management. This funding appears to primarily support the programs of the Office of the Assistant Secretary of Defense for Homeland Defense and Americas' Security Affairs.
  • Policy Planning and Integration: OUSD(P) coordinates activities to aid in formulating strategies for DoD programs at national and international levels. This involves establishing and monitoring strategic direction, planning and force development as laid out in reporting documents such as the Quadrennial Defense Review (QDR) and Defense Planning and Programming Guidance (DPPG). OUSD(P) ensures decisions are not made in a vacuum by integrating policies and resources related to humanitarian efforts and their compliance with international laws. Initiates crisis decision-making in an interagency setting; creates forums to explore emerging national security issues; and examines the capabilities and limitations of national power through various instruments. Funding allows interagency integration and coordination to determine requirements for potential dual-use application of Defense assets.
  • Regional Security Affairs: Provides analysis of management of cultural situations in nation states and oversight to military joint ventures and cooperative DoD-Foreign government programs including educational, training, and developmental opportunities. Using a variety of resources, maintains regional expertise to support DoD leadership in forming and implementing strategies and contributes to coordinating holistic government engagement in programs and policies. Regional expertise provides the ability to: monitor and solve security cooperation issues, effectively execute coalition management, monitor international security operations, and further develop cooperative relations with foreign countries. This funding appears to primarily support the programs of the Office of the Assistant Secretary of Defense for Asian and Pacific Security Affairs and Office of the Assistant Secretary of Defense for International Security Affairs
  • Rewards Program: Provides funds to publicize the program and pay rewards for information to disrupt international terrorist activities.
  • Travel: This funding supports travel in support of the OUSD(P) mission.
  • US Mission to NATO: Funding provides regional stability interface with US allies, NATO resolution of regional conflicts, response to terrorism and unstable conditions in fragile and failed nation states that include NATO involvement, weapons of mass destruction bilateral measures, and support of overseas facilities.
  • Warfighting Support Activities: OUSD(P) provides resources to orchestrate the development of special technologies and capabilities. It sustains these efforts by conducting in-depth analyses of the assignment of additional military and civilian personnel to long-term, non-intelligence positions in high-priority countries. Prepares the military for confronting threats in culturally diverse countries, supports policies and strategies that develop skills unique to counterinsurgency and stabilization efforts; reinforces and builds international support over shared security concerns, homeland security, counterterrorism and other critical nation alliances, and promotes humanitarian activities through military resources in a non-combative manner. Provides funds to pay rewards for information to disrupt international terrorist activities and enhance US security capabilities. This funding appears to primarily support the programs of the Office of the Assistant Secretary of Defense for Special Operations/Low Intensity Conflict & Interdependent Capabilities

List of under secretaries of defense for policy

No. Portrait Under Secretary Took office Left office Time in office Secretary of Defense President Ref(s)
1
Stanley Rogers Resor
Stanley Rogers Resor 14 August 1978 1 April 1979 230 days Harold Brown Jimmy Carter -
2
Robert Komer
Robert Komer 24 October 1979 20 January 1981 1 year, 88 days Harold Brown Jimmy Carter -
3
Fred Iklé
Fred Iklé 2 April 1981 19 February 1988 6 years, 323 days Caspar Weinberger
Frank Carlucci
Ronald Reagan -
4
Paul Wolfowitz
Paul Wolfowitz 15 May 1989 19 January 1993 3 years, 249 days Dick Cheney George H. W. Bush -
5
Frank G. Wisner
Frank G. Wisner 6 July 1993 9 June 1994 338 days Les Aspin
William Perry
Bill Clinton -
6
Walter B. Slocombe
Walter B. Slocombe 15 September 1994 19 January 2001 6 years, 126 days William Perry
William Cohen
Bill Clinton -
-
Peter F. Verga
Peter F. Verga
Acting
20 January 2001 16 July 2001 177 days Donald Rumsfeld George W. Bush -
7
Douglas J. Feith
Douglas J. Feith 16 July 2001 8 August 2005 4 years, 23 days Donald Rumsfeld George W. Bush -
8
Eric S. Edelman
Eric S. Edelman 9 February 2006 20 January 2009 2 years, 346 days Donald Rumsfeld
Robert Gates
George W. Bush -
9
Michèle Flournoy
Michèle Flournoy 9 February 2009 3 February 2012 2 years, 359 days Robert Gates
Leon Panetta
Barack Obama
9
James N. Miller
James N. Miller 18 February 2012 8 January 2014 1 year, 324 days Leon Panetta
Chuck Hagel
Barack Obama -
-
Michael D. Lumpkin
Michael D. Lumpkin
Acting
9 January 2014 23 June 2014 165 days Chuck Hagel Barack Obama -
10
Christine Wormuth
Christine Wormuth 23 June 2014 10 June 2016 1 year, 353 days Chuck Hagel
Ash Carter
Barack Obama -
-
Brian P. McKeon
Brian P. McKeon
Acting
10 June 2016 20 January 2017 224 days Ash Carter Barack Obama -
-
Theresa Whelan
Theresa Whelan
Acting
20 January 2017 7 June 2017 138 days James Mattis Donald Trump
-
Robert Karem
Robert Karem
Acting
7 June 2017 27 October 2017 142 days James Mattis Donald Trump -
-
David Trachtenberg
David Trachtenberg
Acting
27 October 2017 8 January 2018 73 days James Mattis Donald Trump -
11
John Rood
John Rood 9 January 2018 28 February 2020 2 years, 50 days James Mattis
Mark Esper
Donald Trump -
-
James Anderson
James Anderson
Acting
1 March 2020 10 November 2020 254 days Mark Esper Donald Trump
-
Anthony Tata
Anthony Tata
Acting
10 November 2020 20 January 2021 71 days Christopher C. Miller (acting) Donald Trump
-
Amanda J. Dory
Amanda J. Dory
Acting
20 January 2021 28 April 2021 98 days Lloyd Austin Joe Biden -
12
Colin Kahl
Colin Kahl 28 April 2021 17 July 2023 2 years, 80 days Lloyd Austin Joe Biden -
-
Sasha Baker
Sasha Baker
Acting
18 July 2023 26 April 2024 283 days Lloyd Austin Joe Biden -
-
Amanda J. Dory
Amanda J. Dory
Acting
27 April 2024 Incumbent 81 days Lloyd Austin Joe Biden -

Principal Deputy

The Principal Deputy Under Secretary of Defense for Policy is the chief staff assistant to the USD(P). Originally established as the Deputy Under Secretary of Defense (Policy) by the National Defense Authorization Act for FY 1992–93 (P.L. 102–190), the post was re-designated Principal Deputy Under Secretary of Defense (Policy), or PDUSD(P) in December 1999 by DoD Directive 5111.3. The PDUSD(P) provides advice and assistance to the Secretary of Defense, Deputy Secretary of Defense, and USD(P) on national security policy, military strategy, and defense policy.

No. Portrait Deputy Under Secretary Took office Left office Time in office Secretary of Defense President Ref(s)
1
I. Lewis Libb
I. Lewis Libb 12 August 1992 10 January 1993 151 days Paul Wolfowitz
Dick Cheney
George H. W. Bush -
2
Walter B. Slocombe
Walter B. Slocombe 1 June 1993 14 September 1994 1 year, 105 days Les Aspin
William J. Perry
Bill Clinton -
3
Jan M. Lodal
Jan M. Lodal 3 October 1994 30 September 1998 3 years, 362 days William J. Perry
William S. Cohen
Bill Clinton -
4
James M. Bodner
James M. Bodner 1 October 1998 19 January 2001 2 years, 110 days William S. Cohen Bill Clinton -
5
Stephen A. Cambone
Stephen A. Cambone 25 July 2001 1 July 2002 341 days Donald H. Rumsfeld George W. Bush -
5
Christopher Ryan Henry
Christopher Ryan Henry 7 February 2003 August 2008 ~5 years, 190 days Donald H. Rumsfeld
Robert M. Gates
George W. Bush -
-
Peter F. Verga
Peter F. Verga
Acting
August 2008 1 April 2009 ~229 days Robert M. Gates George W. Bush
Barack Obama
-
6
James N. Miller
James N. Miller 2 April 2009 24 May 2012 3 years, 52 days Robert M. Gates Barack Obama -
7
Kathleen Hicks
Kathleen Hicks 24 May 2012 2 July 2013 1 year, 39 days Chuck Hagel Barack Obama -
8
Brian P. McKeon
Brian P. McKeon 28 July 2014 10 June 2016 1 year, 318 days Ash Carter Barack Obama -
-
David B. Shear
David B. Shear
Acting
10 June 2016 20 January 2017 224 days Ash Carter Barack Obama -
9
David Trachtenberg
David Trachtenberg 27 October 2017 19 July 2019 1 year, 265 days James Mattis Donald Trump -
-
James Anderson
James Anderson
Acting
23 July 2019 24 April 2020 276 days Mark Esper Donald Trump -
-
Daniel R. Green
Daniel R. Green
Acting
24 April 2020 8 June 2020 45 days Mark Esper Donald Trump -
10
James Anderson
James Anderson 8 June 2020 10 November 2020 155 days Mark Esper Donald Trump -
-
Thomas M. Williams
Thomas M. Williams
Acting
10 November 2020 20 January 2021 71 days Christopher C. Miller (acting) Donald Trump -
-
Jennifer C. Walsh
Jennifer C. Walsh
Acting
20 January 2021 28 April 2021 98 days Lloyd Austin Joe Biden -
-
Amanda J. Dory
Amanda J. Dory
Acting
29 April 2021 23 August 2021 116 days Lloyd Austin Joe Biden -
-
Mara Karlin
Mara Karlin
Acting
23 August 2021 14 February 2022 175 days Lloyd Austin Joe Biden -
11
Sasha Baker
Sasha Baker 14 February 2022 26 April 2024 2 years, 72 days Lloyd Austin Joe Biden -
-
Melissa Dalton
Melissa Dalton
Acting
26 April 2024 29 May 2024 33 days Lloyd Austin Joe Biden -
-
Cara L. Abercrombie
Cara L. Abercrombie
Acting
29 May 2024 Incumbent 49 days Lloyd Austin Joe Biden -
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