| USML Category | Description | Items | Notes |
|---|---|---|---|
| I-XXI | Complete Listing | 1043 | Note : May take a bit to load... |
| I | Firearms, Close Assault Weapons and Combat Shotguns - Up to .50 Cal. | 14 | Includes very specific definitions of firearms. |
| II | Guns and Armament Over .50 Cal. | 10 | Includes engines for self-propelled guns and howitzers. |
| III | Ammunition/Ordnance for Articles in Cat I and Cat II | 90 | |
| IV | Launch Vehicles, Guided Missiles, Ballistic Missiles, Rockets Torpedoes, Bombs And Mines | 327 | Includes air-, surface-, and underwater-launched versions of missiles. If it explodes without being fired from a gun, it's probably here. |
| V | Propellants, Explosives And Incendiary Agents | 0 | Includes Pyrotechnics. |
| VI | Vessels of War and Special Naval Equipment | 17 | Special Naval Equipment includes mine sweeping equipment, harbor detection devices. |
| VII | Tanks and Military Vehicles | 99 | Tracked, amphibious, and recovery vehicles all SME. |
| VIII | Aircraft and Associated Equipment | 307 | Includes surveillance equipment, engines, CADS/PADS, Inertial navigation units.. |
| IX | Military Training Equipment and Training | 0 | Weapons system trainers, simulators.. |
| X | Protective Personnel Equipment and Shelters | 0 | Includes body armor. |
| XI | Military Electronics | 87 | Includes radar and sonar, NVDs, thermal imaging equipment; electronic combat equipment/countermeasures; Military radios are SME |
| XII | Fire Control, Range Finder, Optical and Guidance and Control Equipment | 92 | Includes missile GCUs when separate from missiles |
| XIII | Auxiliary Military Equipment | 0 | Generally crypto, also armor and concealment |
| XIV | Toxicological Agents, Including Chemical Agents, Biological Agents, and Associated Equipment | 0 | Includes protective suits and masks, medical countermeasures.. |
| XV | Spacecraft Systems and Associated Equipment | 0 | Global Positioning and Satellite Systems |
| XVI | Nuclear Weapons, Design and Testing Related Items | 0 | |
| XVII | Classified Articles, Technical Data and Defense Services Not Otherwise Enumerated | 0 | If articles are otherwise enumerated, for instance technical data related to a particular system, they should be included in the category that describes the system. |
| XVIII | Directed Energy Weapons | 0 | Blinding or destructive lasers and electro-magnetic pulse and related devices |
| XIX | Reserved | 0 | |
| XX | Submersible Vessels, Oceanographic and Associated Equipment | 0 | Includes manned or unmanned submersibles. |
| XXI | Miscellaneous Articles | 0 | For use only by the Director of Defense Trade Controls |