| Acronym | Meaning |
| SSEC | Space Science And Engineering Center |
| SAO | Semiannual Oscillation |
| RTVS | Real-Time Verification System |
| NSDA | National Space Development Agency |
| MAP | Mesoscale Alpine Project |
| OBS | Organizational Breakdown Structure |
| WPL | Wave Propagation Laboratory |
| DCSL | Distributed CSL |
| GRACE | Gravity Recovery And Climate Experiment |
| AFV | Alternative Fuel Vehicle |