| Acronym | Meaning |
| SI | Silicon |
| MOP | Macau Pataca (ISO 4217 Currency Code) -Measure Of Performance |
| CSICOP | Committee For The Scientific Investigation Of Claims Of The Paranormal (became The Committee For Skeptical Inquiry In 2006) |
| ACOBA | Advisory Committee On Business Appointments |
| MILSATCOM | Military Satellite Communications |
| BLZ | Belize (ISO 3166 Trigram) |
| PWA | Pirates With Attitude |
| MIDS | Multi-Function Information Distribution System |
| NAN | Not A Number (computing) |
| CGF | Computer-Generated Forces (Simulation) |