| Acronym | Meaning |
| EISA | Extended Industry Standard Architecture |
| NESC | National Environmental Satellite Center |
| HWCI | Hardware Configuration Item |
| GUI | Graphical User Interface |
| GC-AED | Gas Chromatography-Atomic Emission Detection |
| SVG | Scientific Visualization Group |
| ECS | EOSDIS Core System |
| HMMR | High Resolution Multifrequency Microwave Radiometer |
| AC | Actual Commitment |
| TACAN | Tactical Air Navigation System |