| Acronym | Meaning |
| EU | Europa Island (FIPS 10-4 Country Code) -European Union |
| J1 | Joint [Manpower &] Personnel Directorate |
| CARMONETTE | Computerized Monte Carlo Simulation |
| LEN | Large Extension Node |
| KW | Cornish Language (ISO 639-1 Code) |
| CYM | Welsh Language (ISO 639-2 Code) |
| NFL | National Football League - No-Fire Line |
| FOOP | Friends Of Organ Pipes (Volunteer Group) |
| GDW | Game Designers Workshop |
| CCSK | Cyclic Code Shift Keying |