| V | Naval science–General. |
| VA | Navies. |
| VB | Naval administration. |
| VC | Naval maintenance & transportation. |
| VD | Naval seamen. |
| VE | Marines. |
| VF | Naval ordnance. |
| VG | Minor services of navies. |
| VK | Navigation. Merchant marine. |
| VM | Naval architecture. Marine engineering. |