The military breaks down all of it’s supply requirements by class. I think it will easier for our planning to use this class system. It will help give us an orderly way to account for all the things we’ll need and want and help us not forget something useful.
| Class | Description |
| Class I – Rations | Subsistence (food and drinking water) |
| Class II – Expendables | Individual equipment |
| Class III – POL | Petroleum, fuels, lubricants, hydraulic and insulating oils, preservatives, liquids and gases, bulk chemical products, coolants, deicer and antifreeze compounds, components, and additives of petroleum and chemical products, and coal. |
| Class IV | Construction materials, including installed equipment and all fortification and barrier materials. |
| Class V – Ammunition | Ammunition of all types, bombs, explosives, mines, fuzes, detonators, pyrotechnics, missiles, rockets, propellants, and associated items. |
| Class VI – Personal demand items | Health and hygiene products, soaps and toothpaste, writing material, snack food, beverages, cigarettes, batteries, alcohol, and cameras |
| Class VII – Major end items such as launchers, tanks, mobile machine shops, and vehicles. | |
| Class VIII – Medical | Medical material including repair parts peculiar to medical equipment. |
| Class IX – Repair parts |
fieldtrains 