| Acronym | Meaning |
| JHWRP | Joint Hawaii Warm Rain Project |
| IRIS | Incorporated Research Institutions For Seismology |
| SWE | Snow-Water Equivalent |
| PPHM | Parts Per Hundred Million |
| DRL | Deliverables Requirement List |
| HPA | High Power Amplifier |
| GNSS | Ground Network Scheduling System |
| POLEX | Polar Experiment |
| LLP | Lightning Location And Protection |
| LIRIS | Loral IR Imaging System |