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About DoD
Office of the Secretary of Defense
Office of the Secretary of Defense
OSD
The Office of the Secretary of Defense (OSD) is the principal staff element of the
Secretary of Defense
in the exercise of policy development, planning, resource management, fiscal, and program evaluation responsibilities. OSD includes the immediate offices of the Secretary and Deputy Secretary of Defense, Under Secretaries of Defense, Director of Defense Research and Engineering, Assistant Secretaries of Defense, General Counsel, Director of Operational Test and Evaluation, Assistants to the Secretary of Defense, Director of Administration and Management, and such other staff offices as the Secretary establishes to assist in carrying out assigned responsibilities.
Major elements of OSD
Secretary of Defense
Deputy Secretary of Defense
Executive Secretary of the Department of Defense
Under Secretary of Defense for Acquisition, Technology and Logistics (AT&L)
Under Secretary of Defense Comptroller/Chief Financial Officer (USD(C)/CFO)
Under Secretary of Defense for Intelligence
Under Secretary of Defense for Personnel and Readiness (P&R)
Under Secretary of Defense for Policy
Deputy Chief Management Officer
Assistant Secretary of Defense for Acquisition (ASD(A))
Assistant Secretary of Defense for Asian & Pacific Security Affairs (APSA)
Assistant Secretary of Defense for Global Strategic Affairs (GSA)
Assistant Secretary of Defense for Health Affairs (HA)
Assistant Secretary of Defense for Homeland Defense and Global Security
Assistant Secretary of Defense for International Security Affairs (ISA)
Assistant Secretary of Defense for Legislative Affairs (LA)
Assistant Secretary of Defense for Logistics and Materiel Readiness (L&MR)
Assistant Secretary of Defense for Chief Information Officer (DoD CIO)
Assistant Secretary of Defense for Nuclear & Chemical & Biological Defense Programs (NCB)
Assistant Secretary of Defense for Public Affairs (PA)
Assistant Secretary of Defense for Manpower and Reserve Affairs (M&RA)
Assistant Secretary of Defense for Readiness (ASD(R))
Assistant Secretary of Defense for Research & Engineering ASD(R&E)
Assistant Secretary of Defense for Special Operations and Low Intensity Conflict (SO/LIC)
Assistant Secretary of Defense for Strategy, Plans and Capabilities
General Counsel of the Department of Defense
Inspector General of the Department of Defense
Director of OSD Cost Assessment and Program Evaluation (CAPE)
Director of Operational Test and Evaluation (DOT&E)
Assistant to the Secretary of Defense for Intelligence Oversight (IO)
Director of Administration and Management (DA&M)
Deputy Under Secretary of Defense for Advanced Systems and Concepts
Deputy Assistant Secretary of Defense for Civilian Personnel Policy
Deputy Assistant Secretary of Defense Manufacturing and Industrial Base Policy
Assistant Secretary of Defense for Energy, Installations and Environment (EI&E)
Deputy Under Secretary of Defense for Logistics and Material Readiness
Deputy Assistant Secretary of Defense for Military Community and Family Policy
Deputy Assistant Secretary of Defense for Military Personnel Policy
Deputy Assistant Secretary of Defense for Wounded Warrior Care and Transition Policy
Department of Defense
Office of the Secretary of Defense
Posted 07/10/2015
Organizations and Functions Guidebook
Posted 07/10/2015
Defense Leader Biographies
Posted 07/10/2015
Speeches/Testimony
Posted 07/10/2015
Contacts
Online Forum
Posted 07/10/2015
Mail Addresses
Posted 07/10/2015