| Acronym | Meaning |
| BZ | Belize (ISO 3166 Digram) |
| USD(A&T) | (U.S.) Under-Secretary Of Defense (Acquisition And Technology) |
| PEN | Peruvian Sol (ISO 4217 Currency Code) -PolyEthylene Naphthalate |
| IS | Icelandic Language (ISO 639-1 Code) |
| VOC | Vereenigde Oostindische Compagnie (Dutch East India Company) - Volatile Organic Compounds |
| LEO | Low Earth Orbit |
| HEU | Highly Enriched Uranium |
| BLR | Belarus (ISO 3166 Trigram) |
| USNI | United States Naval Institute |
| ER | Emergency Room -Eritrea (ISO 3166 Digram; FIPS 10-4 Country Code) |