| Acronym | Meaning |
| RGB | Red |
| SIR | Shuttle Imaging Radar |
| ICH | Inter-Union Commission On The Lithosphere |
| AIP | Additions In Progress |
| EAR | Export Administration Regulations |
| DBER | Division Of Biomedical And Environmental Research |
| SLPA | Sea-Level Pressure Anomaly |
| EFNS | Educational Foundation For Nuclear Science |
| SUNRISE | Radiative Input From The Sun To The Earth Program |
| AMIE | Assimilative Mapping Of The Ionospheric Electrodynamics |