Part I — Organization and General Military Powers
- Ch. 1 Definitions, Rules of Construction, Cross References, and Related Matters §§101 to 102
- Ch. 2 Department of Defense §§111 to 120
- Ch. 3 General Powers and Functions §§121 to 130k
- Ch. 4 Office of the Secretary of Defense §§131 to 149
- Ch. 5 Joint Chiefs of Staff §§151 to 156
- Ch. 6 Combatant Commands §§161 to 169
- Ch. 7 Boards, Councils, and Committees §§171 to 190
- Ch. 8 Defense Agencies and Department of Defense Field Activities §§191 to 205
- Ch. 9 Defense Budget Matters §§221 to 239e
- Ch. 9A Audit §§240a to 240i
- Ch. 11 Reserve Components §241
- Ch. 12 The Militia §§246 to 247
- Ch. 13 Insurrection §§251 to 255
- Ch. 14 Arming of American Vessels §261
- Ch. 15 Military Support for Civilian Law Enforcement Agencies §§271 to 284
- Ch. 16 Security Cooperation §§301 to 386
- Ch. 19 Cyber and Information Operations Matters §§391 to 399
- Ch. 20 Humanitarian and Other Assistance §§401 to 410
- Ch. 21 Department of Defense Intelligence Matters §§421 to 437
- Ch. 22 National Geospatial-Intelligence Agency §§441 to 467
- Ch. 23 Miscellaneous Studies and Reports §§480 to 490a
- Ch. 24 Nuclear Posture §§491 to 499c
- Ch. 25 Electromagnetic Warfare §§500 to 500g