| Acronym | Meaning |
| VCT | Saint Vincent And The Grenadines (ISO 3166 Trigram) |
| JIC | Joint Intelligence Centre |
| MHWN | Mean High Water Neaps (nautical Charts) |
| GCN | Gamma-ray Burst Coordination Network |
| ALTE | Association Of Language Testers In Europe |
| SEATO | Southeast Asian Treaty Organization |
| IMU | International Mathematical Union |
| WZ | Swaziland (FIPS 10-4 Country Code) |
| MMS | Multimission Modular Spacecraft |
| DCE | Data Communication Equipment |