| Acronym | Meaning |
| AT | Attotesla |
| NCB | National Codification Bureau |
| LIBS | Laser Induced Breakdown Spectroscopy |
| LY | Libya (FIPS 10-4 Country Code; ISO 3166 Digram) - Lithuania (amateur Radio ITU Prefix) |
| ITAS | Improved Target Acquisition Sight |
| PYG | Paraguayan Guarani (ISO 4217 Currency Code) |
| MLW | Mean Low Water (nautical Charts) |
| IT | Italian Language (ISO 639-1 Code) |
| CITES | Convention On International Trade In Endangered Species (of Wild Fauna And Flora) (sigh-tease) |
| DAS | Defensive Aids Suite |