| Acronym | Meaning |
| GEO | Geosciences Directorate |
| ROC | Republic Of China |
| AMP | Advanced Machining Program |
| ETA | A Vendor Of Supercomputers And Associated Software |
| ATS | Application Technology Satellite |
| S/N | Signal-to-noise Ratio |
| AMI | Active Microwave Instrument |
| AMC | Army Materiel Command |
| OPLE | OMEGA Position And Location Experiment |
| AMO | Advanced Munitions Office |