| Acronym | Meaning |
| ETT | Embedded Training Team |
| PA | Panama (ISO 3166 Digram) - Paraguay (FIPS 10-4 Country Code) -Partial Agonist -Pennsylvania (postal Symbol) - Petampere -PolyAmide (Nylon) - Prince Albert Piercing - Public Address (vocal Amplification System) - Public Affairs |
| OCFS | Oracle Cluster File System |
| AED | United Arab Emirates Dirham (ISO 4217 Currency Code) |
| NPDI | New Product Development And Introduction |
| IS | Iceland (ISO 3166 Digram) - Israel (FIPS 10-4 Country Code) |
| FAVS | Future Armoured Vehicle System |
| SLK | Slovak Language (ISO 639-2 Code) |
| HNL | Honduran Lempira (ISO 4217 Currency Code) |
| CCSK | Cyclic Code Shift Keying |