| Acronym | Meaning |
| CALCRUST | Consortium For Study Of The California Crust |
| GAC | Global Atmospheric Chemistry |
| TRIP | Thunderstorm Research International Program |
| UMP | Upper Mantle Project |
| PILPS | Program For Intercomparison Of Land Surface Parameterization Schemes |
| OBP | Onboard Processor |
| NATO | North Atlantic Treaty Organization |
| VM/SP | Virtual Machine/System Product |
| LDN | Local Data Network |
| AGARD | Advisory Group For Aeronautical Research And Development |