| Acronym | Meaning |
| SC | Sardinian Language (ISO 639-1 Code) |
| ARP | Address Resolution Protocol - Applied Research Programme |
| AEGIS | Airborne Early Warning Ground Environment Interface Segment (fake Etymology) |
| WEU | Western European Union |
| ATG | Antigua And Barbuda (ISO 3166 Trigram) |
| FU | Smoke (METAR Code) |
| C/O | Care Of (postal Code Indicating Temporary Address Change) |
| MDM | Michigan Dartmouth MIT Telescope Consortium |
| XV | Fifteen (in Roman Numerals) |
| KVT | Killer-Victim Table (military Simulations) |