USML Categories

Category I–Firearms, Close Assault Weapons and Combat Shotguns
Category II–Guns and Armament
Category III–Ammunition/Ordnance
Category IV–Launch Vehicles, Guided Missiles, Ballistic Missiles, Rockets, Torpedoes, Bombs, and Mines
Category V–Explosives and Energetic Materials, Propellants, Incendiary Agents, and Their Constituents
Category VI–Surface Vessels of War and Special Naval Equipment
Category VII–Ground Vehicles
Category VIII–Aircraft and Related Articles
Category IX–Military Training Equipment and Training
Category X–Personal Protective Equipment
Category XI–Military Electronics
Category XII–Fire Control, Range Finder, Optical and Guidance and Control Equipment
Category XIII–Materials and Miscellaneous Articles
Category XIV–Toxicological Agents, Including Chemical Agents, Biological Agents, and Associated Equipment
Category XV–Spacecraft and Related Articles
Category XVI–Nuclear Weapons Related Articles
Category XVII–Classified Articles, Technical Data, and Defense Services Not Otherwise Enumerated
Category XVIII–Directed Energy Weapons
Category XIX–Gas Turbine Engines and Associated Equipment
Category XX–Submersible Vessels and Related Articles
Category XXI–Articles, Technical Data, and Defense Services Not Otherwise Enumerated