| Acronym | Meaning |
 | NNSA | U.S. National Nuclear Security Administration |
| DVD | Digital Versatile Disk (was Digital Video Disk) |
| EU | Europa Island (FIPS 10-4 Country Code) -European Union |
| CAEN | Close Action Engagement (constructive Simulation) |
| ER | Emergency Room -Eritrea (ISO 3166 Digram; FIPS 10-4 Country Code) |
| BAE | BAE Systems (formerly British Aerospace |
| TUV | Tuvalu (ISO 3166 Trigram) |
| SQI | Albanian Language (ISO 639-2 Code) |
| SL | Sierra Leone (ISO 3166 And FIPS 10-4 Country Code Digram) -Start Line |
| CM | Curium |
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