AT&L Offices


Organization Web Sites

minus signAssistant Secretary of Defense for Acquisition

The Office of the Assistant Secretary of Defense for Acquisition (OASD(A)) provides oversight and policy direction to the Secretary, Deputy Secretary, and Under Secretary of Defense (Acquisition, Technology and Logistics) on matters relating to DoD's acquisition system.


  • Office of the Deputy Assistant Secretary of Defense for Strategic and Tactical Systems

    The Office of the Deputy Assistant Secretary of Defense for Strategic and Tactical Systems (S&TS) provides portfolio management, technical and programmatic evaluation, and functional oversight for Department of Defense strategic and tactical programs in support of the Under Secretary of Defense for Acquisition, Technology and Logistics and the Assistant Secretary of Defense for Acquisition.

  • Office of the Deputy Assistant Secretary of Defense for Space and Intelligence

    The Office of the Deputy Assistant Secretary for Space and Intelligence Office (SIO) is the focal point for all Department of Defense (DoD) space and intelligence acquisition oversight and related activities.

  • Performance Assessments and Root Cause Analyses (PARCA) Directorate

    As the central office for major defense authorization performance assessment, root cause analysis, and earned value management (EVM), PARCA issues policies, procedures and guidance governing the conduct of such work by the Military Departments and the Defense Agencies.

  • Communications, Command and Control, and Cyber (C3 & Cyber)

    The Office of the Deputy Assistant Secretary of Defense for Communications, Command and Control, and Cyber (C3 & Cyber) provides the leadership for functional and acquisition oversight of all critical war fighting communications, command and control, and cyberspace capabilities in the Department of Defense (DoD). Additionally, the office performs the responsibilities of the Principal Staff Assistant for non-intelligence space systems supporting the DoD leadership.

  • Joint Operations Support (JOS)

    Joint Operations Support (JOS) pursues the Office of the Under Secretary of Defense, Acquisition, Technology & Logistics (AT&L) goals for fielding relevant and responsive warfighter capabilities by promoting identification and validation of critical military needs, facilitating interaction with end-user customers of warfighting capabilities at major joint commands, and by efficiently managing defense program-budget processes and resource execution for the Office of the Assistant Secretary of Defense, Acquisition (ASD(A)).

  • Defense Acquisition University

    The Defense Acquisition University provide a full range of basic, intermediate, and advanced certification training, assignment-specific training, applied research, and continuous learning opportunities for members of the defense acquisition workforce.

  • Defense Contract Management Agency

    The Defense Contract Management Agency (DCMA) is the Department of Defense (DoD) component that works directly with defense suppliers to help ensure that DoD, Federal, and allied government supplies and services are delivered on time, at projected cost, and meet all performance requirements.


minus signAssistant Secretary of Defense for Nuclear & Chemical & Biological Defense Programs (NCB)

The Office of the Assistant Secretary of Defense for Nuclear, Chemical, and Biological Defense Programs (NCB) develops policies, provides advice, and makes recommendations on nuclear weapons; chemical, biological, radiological, and nuclear (CBRN) medical and non-medical defense; safety, surety, security, and safe destruction of the current chemical weapons stockpile; nuclear, chemical, and biological arms control activities; and related plans and programs.


  • • Deputy Assistant Secretary of Defense for Treaties & Threat Reduction- No website available at this time.

    The Deputy Assistant Secretary of Defense for Treaties and Threat Reduction DASD(T&TR) provides acquisition and implementation oversight of cooperative threat reduction and chemical demilitarization programs; ensures compliance with nuclear, biological, and chemical treaties; and builds global partner capacity to counter weapons of mass destruction.

  • Deputy Assistant Secretary of Defense for Nuclear Matters DASD(NM)

    The Deputy Assistant Secretary of Defense for Nuclear Matters (DASD(NM)) fulfills the nuclear and radiological roles, responsibilities, and functions for the Assistant Secretary of Defense for Nuclear, Chemical, and Biological Defense Programs (ASD(NCB)).


  • Deputy Assistant Secretary of Defense for Chemical and Biological Defense

    The Deputy Assistant Secretary of Defense for Chemical and Biological Defense (DASD(CB)) provides a focal point for funding, research development and acquisition, integration, and oversight for chemical-biological defense issues.

  • Director of the Defense Threat Reduction Agency

    The Defense Threat Reduction Agency (DTRA) is the Department of Defense's official Combat Support Agency for countering weapons of mass destruction. DTRA's programs include basic science research and development, operational support to warfighters on the front line, and an in-house WMD think tank that aims to anticipate and mitigate future threats long before they have a chance to harm the United States and our allies.


minus sign Assistant Secretary of Defense for Research and Engineering (R&E)

Office of the Assistant Secretary of Defense, Research and Engineering (R&E) provides thought leadership for the Department's near-, mid- and far-term research and engineering efforts to develop the technical capabilities to support the Secretary of Defense's goals and priorities.


  • Office of the Deputy Assistant Secretary of Defense for Research

    The Office of the Deputy Assistant Secretary of Defense for Research has policy and oversight responsibility for DoD programs in basic research, applied research, advanced development, and advanced components and prototypes. The purview of the Research Directorate includes the DoD laboratories, the science and engineering workforce, and efforts for stimulating science, engineering and mathematics education.

  • Office of the Deputy Assistant Secretary of Defense for Systems Engineering (SE)

    The Office of the Deputy Assistant Secretary of Defense, Systems Engineering (SE)is the focal point for all policy, practice, and procedural matters relating to Department of Defense Systems Engineering and its key elements to include technical risk management, software engineering, manufacturing and production, quality, standardization, and related disciplines.

  • Office of the Deputy Assistant Secretary of Defense for Rapid Fielding

    The Office of the Deputy Assistant Secretary of Defense for Fielding is responsible for policy, oversight and initiation of discovery, development, and delivery of advanced technology concepts, demonstrations and prototypes for improved military capabilities to counter unconventional and time-sensitive threats.

  • Deputy Assistant Secretary of Defense for Developmental Test and Evaluation DASD(DT&E) and Director, Test Resource Management Center (TRMC)

    On April 1, 2011, the Under Secretary of Defense for Acquisition, Technology and Logistics directed the DASD(DT&E) to concurrently serve as the Director, TRMC. Since then, these two organizations have been transforming into a world-class team of professionals focused on improving DT&E planning and execution, building the professional workforce, maintaining state-of-the-art T&E facilities, and providing data-driven support to the DoD Components. The DT&E team is dedicated to improving acquisition outcomes and advocacy of the T&E Workforce.

  • DARPA

    DARPA is the research and development office for the U.S. Department of Defense. DARPA's mission is to maintain technological superiority of the U.S. military and prevent technological surprise from harming our national security.

  • Defense Technical Information Center (DTIC)

    DTIC is the central source within the Department of Defense for acquiring, storing, retrieving and disseminating scientific and technical information to support the management and conduct of DoD research, development, engineering and studies programs.


minus signAssistant Secretary of Defense for Logistics and Materiel Readiness (L&MR)

The Office of the Assistant Secretary of Defense for Logistics and Materiel Readiness (OASD(L&MR)) prescribes policies and procedures for the conduct of logistics, maintenance, materiel readiness, strategic mobility, and sustainment support, to include, supply, maintenance, and transportation.



minus signDeputy Under Secretary of Defense for Installations & Environment (I&E)

The Office of the Deputy Under Secretary of Defense for Installations and Environment provides management and oversight of military installations worldwide and manages environmental, safety, and occupational health programs for the Department.


  • Basing Directorate

    The Basing Directorate oversees basing initiatives and real property management for the Department of Defense worldwide. Besides managing joint basing activities, real estate, and realignment initiatives, the Directorate has specific responsibility for program management and implementation issues concerning the Base Realignment and Closure (BRAC) program.

  • Business Enterprise Integration Directorate

    The Business Enterprise Integration Directorate leads business process reengineering within the Installations and Environment (I&E) business areas; develops IT information, data, and technical standards to enable lifecycle Real Property, I&E, Safety and Occupational Health management; oversees IT investment for all I&E systems to ensure compliant, cost-effective, and integrated solutions; and provides policy and guidance to geospatially enable the business mission.

  • Housing & Competitive Sourcing Directorate Sourcing

    The Directorate of Housing and Competitive Sourcing (H&CS) is responsible for the development of major Departmental policies, procedures, and resource guidance which direct the Department of Defense's (DoD) implementation of military housing, including implementation and oversight of Defense policy in the areas of accompanied and unaccompanied housing, and the Military Housing Privatization Initiative (MHPI), Section 2885 of Title 10, United States Code.

  • Chemical & Material Risk Management Directorate

    The Chemical & Material Risk Management Directorate is responsible for identifying and managing risks associated with the Department's use of chemicals and materials; developing lifecycle environment, safety, and health considerations into the DoD acquisition process, and pursuing the sustainable use of chemical and materials.

  • Environmental Management Directorate

    The Environmental Management Directorate develops environmental programs, policy and strategic plans for DoD activities throughout the United States. These environmental programs include compliance with environmental laws, reduction of green house gases, adaptation to climate change, Native American programs, green buildings, management of natural and cultural resources, and cleanup of contaminated sites.

  • Environmental Readiness & Safety Directorate

    The Environmental Readiness and Safety Directorate is responsible for protecting personnel, property, and mission capabilities through informed environmental risk decisions.

  • Facility Investment & Management Directorate

    The Facilities Investment & Management Directorate works to ensure that the Department delivers cost-effective, safe, and environmentally sound capabilities to military facilities worldwide.

  • Facilities Energy Directorate

    The Facilities Energy Directorate is responsible for managing energy consumption for over 545,000 military facilities across the globe.

  • Office of Economic Adjustment

    The Office of Economic Adjustment (OEA) is the primary office of the Department of Defense with responsibility for providing adjustment assistance to communities, regions and States adversely impacted by significant Defense program changes


Assistant Secretary of Defense for Operational Energy Plans & Programs (OEP&P)

The Office of the Assistant Secretary of Defense for Operational Energy Plans & Programs advises the Secretary and Deputy Secretary of Defense on operational energy security and reports to the Under Secretary of Defense for Acquisition, Technology, and Logistics. The mission of the office is to help the military services and combatant commands improve military capabilities, cut costs, and lower operational and strategic risk through better energy accounting, planning, management, and innovation.


Human Capital Initiatives Directorate

The Human Capital Initiatives Directorate is responsible for executing all workforce responsibilities identified in DoD Directive 5000.52 to include department-wide DoD AT&L workforce strategic planning, policy, and programs


Acquisition Resources & Analyses Directorate

The Office of the Director, Acquisition Resources and Analysis (ARA) integrates the diverse aspects of Defense acquisition into a balanced and coherent program that supports the National Strategy and makes the most effective use of resources provided.


International Cooperation Directorate

The Office of the Director for International Cooperation supports the Under Secretary of Defense for Acquisition, Technology and Logistics (AT&L) in all aspects of international cooperation, develops policy for international cooperative armaments programs, and provides the Under Secretary a single, integrated picture of international cooperative activities.


Special Programs Directorate - No website is available at this time

The Special Programs Directorate manages the DoD Special Access Program (SAP) management and control structures.


Small Business Programs Directorate

The Small Business Programs Directorate advises the Secretary of Defense on all matters related to small business and is committed to maximizing the contributions of small business in DoD acquisitions. The Directorate provides leadership and governance to the Military Departments and Defense Agencies to meet the needs of the nation's warfighters, creating opportunities for small businesses while ensuring each tax dollar is spent responsibly.


Administration Directorate

The Directorate for Administration serves as the central focal point for all Office of the Under Secretary of Defense Acquisition, Technology & Logistics civilian and military personnel programs, organizational management, space, facilities, supply management, security, information management, travel, O&M budgeting, and training.


Defense Procurement & Acquisition Policy (DPAP) Directorate

The Defense Procurement & Acquisition Policy (DPAP) Directorate is responsible for all acquisition and procurement policy matters in the Department of Defense (DoD). The DPAP office serves as the principal advisor to the Under Secretary of Defense for Acquisition, Technology and Logistics (AT&L) and the Defense Acquisition Board on acquisition/procurement strategies for all major weapon systems programs, major automated information systems programs, and services acquisitions.


Joint Rapid Acquisition Cell- No website is available at this time

The Joint Rapid Acquisition Cell provides a single point of contact in the Office of the Secretary of Defense (OSD) for tracking the timeliness of immediate warfighter need actions for the senior leadership and facilitating coordination with other government agencies.


Defense Science Board

The Defense Science Board provides the Secretary of Defense, the Deputy Secretary of Defense, the Under Secretary of Defense for Acquisition, Technology and Logistics, the Chairman of the Joint Chiefs of Staff and, as requested, other Office of the Secretary of Defense (OSD) Principal Staff Assistants, the Secretaries of the Military Departments, the Commanders of the Combatant Commands, independent advice and recommendations on scientific, technical, manufacturing, acquisition process, and other matters of special interest to the Department of Defense.


Office of the Deputy Assistant Secretary of Defense for Manufacturing and Industrial Base Policy

The Office of the Deputy Assistant Secretary of Defense for Manufacturing and Industrial Base Policy is responsible for ensuring that DoD policies, procedures, and actions: (1) stimulate and support vigorous competition and innovation in the industrial base supporting defense; and (2) establish and sustain cost-effective industrial and technological capabilities that assure military readiness and superiority.


Office of the Director of Corrosion Policy & Oversight

The Office of Corrosion Policy and Oversight is responsible for addressing the needs and meeting the goals of the DoD's Corrosion Prevention and Mitigation Program. The Corrosion Office develops Corrosion Prevention and Control (CPC) strategies for the DoD, and oversees their implementation through the CPC Integrated Product Team (CPC IPT).


Missile Defense Agency

The Missile Defense Agency's (MDA) mission is to develop, test, and field an integrated, layered, ballistic missile defense system (BMDS) to defend the United States, its deployed forces, allies, and friends against all ranges of enemy ballistic missiles in all phases of flight.