| Acronym | Meaning |
| VACIS | Vehicle And Container Inspection System |
| GAO | U.S. Government Accountability Office |
| IUCN | International Union For The Conservation Of Nature And Natural Resources (World Conservation Union) |
| FSTC | Foreign Science Technology Center (now NGIC) |
| MO | Macao (ISO 3166 Digram) -Medical Officer -Missouri (postal Symbol) -modus Operandi (Latin |
| AVI | Audio Video Icon |
| POT | Plane Of Tranquility |
| CBLA | Comparative Bullet Lead Analysis |
| ARG | Aragonese Language (ISO 639-2 Code) |
| EIC | East India Company |