| Acronym | Meaning |
| OFA | Occipital Face Area |
| CJTF | Combined Joint Task Force |
| LDV | Local Defence Volunteers (British Home Guard) |
| NM | New Mexico (postal Symbol) |
| LEN | Large Extension Node |
| MOB | Man Over Board - Marching Owl Band - Movable Object Block |
| PBI | PolyBenzImidazole |
| POTS | Plain Old Telephone Service (cf. PANS) - Postural Orthostatic Tachycardia Syndrome |
| NA | Sodium |
| NAWC | U.S. Naval Air Warfare Center |