Secretary General’s Close Protection Unit

Assistant Secretary General (ASG)

Assistant Secretary General for Defense Investment

Assistant Secretary General for Defense Policy and Planning

Assistant Secretary General for Executive Management

Assistant Secretary General for Operations

Assistant Secretary General for Political Affairs and Security Policy

Assistant Secretary General for Public Diplomacy

Mission of the Representative of the Secretary-General in the Dominican Republic (DOMREP)

Office of the Special Envoy of the Secretary-General for the future status process for Kosovo (UNOSEK)

Office of the Special Representative of the Secretary-General for West Africa (UNOWA)

Private Office of the Secretary General

Secretary General (SG)

close-in protection

close-quarters combat (CQC) / close-quarters battle (CQB)

voice protection unit

fire protection unit

Assistant Secretary of Defense (ASD)

Assistant Secretary of the Army (Manpower and Reserve Affairs)

Office of the Secretary of Defense (OSD)

Office of the Secretary of the Navy

Secretary of Defense (SECDEF)

Secretary of State

Secretary of the Air Force (SAF)

Secretary of the Army (SA)

Secretary of the Navy (SN; SECNAV)

Under Secretary of Defense (USD)

Under Secretary of Defense for Acquisition, Technology, and Logistics (USD AT&L)

Under Secretary of Defense for Intelligence USD(I)

office of the under secretary of defense for acquisition and technology

Strategic and Theater Nuclear Forces Policy Deputy Assistant Secretary

battery coolant unit / battery-coolant unit (BCU)

gear reduction unit / gear-reduction unit