| Acronym | Meaning |
| IUGG | International Union Of Geodesy And Geophysics |
| ANACONDA | Intense Electron Beam Accelerator |
| IGC | International Geophysical Cooperation |
| FRS | First Repository States |
| NPI | NEXRAD Product Interface |
| GLIS | Global Land Information System |
| DIA | Defense Intelligence Agency |
| HRIR | High-resolution Infrared Radiometer |
| AML | Advanced Materials Laboratory |
| NEM | NWP Explicit Microphysics |