| Acronym | Meaning |
| DRL | Deliverables Requirement List |
| ASEP | Accident Sequence Evaluation Program |
| IUCRM | Inter Union Commission On Radio Meteorology |
| MICRO-SCALE | N/A |
| DLPDU | Data Link Protocol Data Unit |
| SCCM | Single-column CCM |
| MLI | Multiple Layer Insulation |
| MOM | MASnet Operations Monitor |
| ESSC | Earth System Science Committee |
| RMC | RAF Management Council |