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Office of the Secretary of Defense

Office of the Secretary of Defense
OSD
Office of the Secretary of Defense Identification Badge.png
Agency overview
Formed 1947
Jurisdiction General management and oversight of the Department of Defense components
Headquarters Pentagon
Parent agency Department of Defense
Website www.defense.gov/osd

The Office of the Secretary of Defense (OSD) is a headquarters-level staff of the Department of Defense of the United States of America. It is the principal civilian staff element of the Secretary of Defense, and it assists the Secretary in carrying out authority, direction and control of the Department of Defense in the exercise of policy development, planning, resource management, fiscal, and program evaluation responsibilities. OSD (along with the Joint Staff) is the Secretary of Defense’s support staff for managing the Department of Defense, and it corresponds to what the Executive Office of the President of the United States is to the President for managing the whole of the Executive branch of the federal government.

OSD includes the Immediate offices of the Secretary (SECDEF) and the Deputy Secretary of Defense (DEPSECDEF), as well as five Under Secretaries of Defense in the fields of Acquisition, Technology & Logistics; Comptroller/Chief Financial Officer; Intelligence; Personnel & Readiness; and Policy. All of these positions are Presidential appointments which require U.S. Senate confirmation.

Other positions include the Assistant Secretaries of Defense, Assistants to the Secretary of Defense, General Counsel, Director, Operational Test and Evaluation, Director of Administration and Management, and such other staff offices as the Secretary establishes to assist in carrying out their assigned responsibilities.


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