| Acronym | Meaning |
| SIMNET | SIMulator NETwork |
| CO | Corsican Language (ISO 639-1 Code) |
| CIWS | Close-In Weapon System |
| C2V OR C?V | Command And Control Vehicle |
| MTG | Magic: The Gathering |
| SME | Northern Sami Language (ISO 639-2 Code) |
| FLIR | Forward Looking InfraRed (sensor) |
| SLV | Slovenian Language (ISO 639-2 Code) |
| SLR | Single-Lens Reflex (camera) |
| OSETI | Optical SETI |