United States Office of the Secretary of Defense
# United States Office of the Secretary of Defense

L'Office of the Secretary of Defense (traducibile come Ufficio del Segretario della Difesa, spesso abbreviato in OSD) è il quartier generale del Segretario della Difesa degli Stati Uniti d'America. Costituisce l'ufficio esecutivo del titolare del Dipartimento e lo assiste nell'esercizio delle sue funzioni.

L'OSD include, fra gli altri, il Vicesegretario della Difesa degli Stati Uniti d'America e i cinque sottosegretari; le nomine per queste posizioni spettano al Presidente, poi i candidati devono essere confermati dal Senato.

## Composizione

* Assistant Secretary of Defense for Asian and 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 Americas' Security Affairs (HD&ASA)
* 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)
* Chief Information Officer (NII/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 Research and Engineering (R&E)
* Assistant Secretary of Defense for Reserve Affairs (RA)
* Assistant Secretary of Defense for Special Operations/Low Intensity Conflict & Interdependent Capabilities (SO/LIC&IC)
* Assistant to the Secretary of Defense for Intelligence Oversight (ATSIO)
* Chief Information Office (OSD-CIO)
* Defense Prisoner of War/Missing Personnel Office (DPMO)
* Deputy Assistant Secretary of Defense for Manufacturing and Industrial Base
* Deputy Chief Management Officer
* Deputy Secretary of Defense
* Deputy Under Secretary of Defense for Installations and Environment (I&E)
* Director of Administration and Management (DA&M)
* Director of Cost Assessment and Program Evaluation (CAPE)
* Director of Family Policy
* Director of Force Transformation
* Director of Net Assessment
* Director of the Office of Corrosion Policy and Oversight
* Director, Operational Test and Evaluation (DOT&E)
* Director of Small Business Programs
* Executive Secretary of the Department of Defense
* General Counsel of the Department of Defense
* Secretary of Defense
* Under Secretary of Defense (Comptroller)/Chief Financial Officer (C/CFO)
* Under Secretary of Defense for Acquisition, Technology and Logistics (AT&L)
* Under Secretary of Defense for Intelligence (I)
* Under Secretary of Defense for Personnel and Readiness (P&R)
* Under Secretary of Defense for Policy (P)
