| Acronym | Meaning |
| CUREA | Consortium For Undergraduate Research And Education In Astronomy |
| NUWC | U.S. Naval Undersea Warfare Center |
| NAK | Negative Acknowledge |
| XML | EXtensible Markup Language |
| CX | Christmas Island (ISO 3166 Digram) - One Hundred And Ten (in Roman Numerals) |
| SARR | Search And Rescue Repeater |
| LTC | Lieutenant-Colonel (U.S.) |
| DZA | Algeria (ISO 3166 Trigram) |
| NAU | Nauruan Language (ISO 639-2 Code) |
| VFW | Veterans Of Foreign Wars |