| Acronym | Meaning |
| YH | Yoctohenry |
| NS | Nanosiemens |
| WK | Wake Island (ISO 3166 Digram |
| BRS | Battlefield Reasoning System |
| EBW | Electron Beam Welding |
| AG | Aktiengesellschaft (German |
| V/STOL | Vertical/Short Take-Off And Landing (vee-stoll) |
| NB | New Brunswick (postal Symbol) -nota Bene (Latin |
| NAM | Namibia (ISO 3166 Trigram) |
| NAAD | North American Air Defense |