| Acronym | Meaning |
| SEM | Scanning Electron Microscope |
| CASI | Canadian Aerospace Institute |
| ASPR | Armed Services Procurement Regulation |
| AAS | Atomic Absorption Spectroscopy |
| RDF | Radio Direction Finding |
| IAVCEI | International Association Of Volcanology And Chemistry Of The Earth's Interior |
| WX | Weather |
| DAI | Data Assimilation Initiative |
| APR | Automatic Pressure Relief |
| HAC | Heads And Chairs |