• Chapter 1 [§ 101 - § 102] - DEFINITIONS, RULES OF CONSTRUCTION, CROSS REFERENCES, AND RELATED MATTERS

• Chapter 2 [§ 111 - § 120] - DEPARTMENT OF DEFENSE

• Chapter 3 [§ 121 - § 130k] - GENERAL POWERS AND FUNCTIONS

• Chapter 4 [§ 131 - § 149] - OFFICE OF THE SECRETARY OF DEFENSE

• Chapter 5 [§ 151 - § 156] - JOINT CHIEFS OF STAFF

• Chapter 6 [§ 161 - § 169] - COMBATANT COMMANDS

• Chapter 7 [§ 171 - § 190] - BOARDS, COUNCILS, AND COMMITTEES

• Chapter 8 [§ 191 - § 205] - DEFENSE AGENCIES AND DEPARTMENT OF DEFENSE FIELD ACTIVITIES

• Chapter 9 [§ 221 - § 239e] - DEFENSE BUDGET MATTERS

• Chapter 9A [§ 240a - § 254b] - AUDIT

• Chapter 11 [§ 241 - § 241] - RESERVE COMPONENTS

• Chapter 12 [§ 246 - § 247] - THE MILITIA

• Chapter 13 [§ 251 - § 255] - INSURRECTION

• Chapter 14 [§ 261 - § 261] - ARMING OF AMERICAN VESSELS

• Chapter 15 [§ 271 - § 284] - MILITARY SUPPORT FOR CIVILIAN LAW ENFORCEMENT AGENCIES

• Chapter 16 [§ 301 - § 386] - SECURITY COOPERATION

• Chapter 19 [§ 391 - § 399] - CYBER AND INFORMATION OPERATIONS MATTERS

• Chapter 20 [§ 401 - § 410] - HUMANITARIAN AND OTHER ASSISTANCE

• Chapter 21 [§ 421 - § 437] - DEPARTMENT OF DEFENSE INTELLIGENCE MATTERS

• Chapter 22 [§ 441 - § 467] - NATIONAL GEOSPATIAL-INTELLIGENCE AGENCY

• Chapter 23 [§ 480 - § 490a] - MISCELLANEOUS STUDIES AND REPORTS

• Chapter 24 [§ 491 - § 499c] - NUCLEAR POSTURE

• Chapter 25 [§ 500 - § 506] - ELECTROMAGNETIC WARFARE