| Acronym | Meaning |
| MHS | Message Handling System |
| FL1 | First Flight Model |
| IF | In-flight |
| FDT | Fully Developed Turbulence |
| NAOPS | North Atlantic Ocean Prediction Systems |
| ESO | European Southern Observatory |
| FCOM | Federal Coordinators Office Of Meteorology |
| SCEP | Study Of Critical Environmental Problems |
| VOR | VHF Omnidirectional Range |
| FEWS | Follow-on Early Warning System |