| Acronym | Meaning |
| IHO | International Hydrographic Organization |
| TSEC | Transmission Security Encryption Code |
| ANG | Air National Guard -Netherlands Antillian Guilder (ISO 4217 Currency Code) |
| NNE | North North-East |
| CEPT | Conf?rence Europ?enne Des Administrations Des Postes Et Des T?l?communications (French |
| MOSS | MObile Submarine Simulator -Moving Object Support System |
| GZK | Greisen-Zatsepin-Kuzmin Cut-off (cosmic Ray Energies) |
| ES | El Salvador (FIPS 10-4 Country Code) -Electronic Warfare Support -Exasiemens - Spain (ISO 3166 Digram; From Espa?a)) |
| LC | Line Of Contact -Saint Lucia (ISO 3166 Digram) |
| HST | See Entry |