• § 131. Office of the Secretary of Defense

• § 132. Deputy Secretary of Defense

• [§ 132a. Repealed.

• [§ 133. Repealed.

• § 133a. Under Secretary of Defense for Research and Engineering

• § 133b. Under Secretary of Defense for Acquisition and Sustainment

• § 134. Under Secretary of Defense for Policy

• [§ 134a. Repealed.

• [§ 134b. Repealed.

• § 135. Under Secretary of Defense (Comptroller)

• § 136. Under Secretary of Defense for Personnel and Readiness

• [§ 136a. Repealed.

• § 137. Under Secretary of Defense for Intelligence and Security

• § 137a. Deputy Under Secretaries of Defense

• § 138. Assistant Secretaries of Defense

• [§§ 138a, 138b. Repealed.

• [§ 138c. Repealed.

• [§ 138d. Repealed.

• § 139. Director of Operational Test and Evaluation

• § 139a. Director of Cost Assessment and Program Evaluation

• § 139b. Secretariat for Special Operations; Special Operations Policy and Oversight Council

• [§ 139c. Repealed.

• [§§ 139d, 139e. Renumbered §§ 139b, 139c]

• § 140. General Counsel

• [§ 140a. Renumbered § 422]

• [§ 140b. Renumbered § 423]

• [§ 140c. Renumbered § 130]

• § 141. Inspector General

• § 142. Chief Information Officer

• § 143. Office of the Secretary of Defense personnel: limitation

• § 144. Director of Small Business Programs

• § 145. Principal Advisor on Countering Weapons of Mass Destruction

• [§ 146. Renumbered § 198]

• § 147. Chief Diversity Officer

• § 148. Joint Energetics Transition Office

• § 149. Office of Strategic Capital