| Acronym | Meaning |
| LRE | Latest Revised Estimate |
| FFTS | Fast-Fourier Transforms |
| DAR | Data Acquisition Request |
| AIS | Acceptable Intake For Subchronic Exposure |
| INSU | National Institute For Sciences Of The Universe |
| AFV | Alternative Fuel Vehicle |
| RAMS | Random Access Measurement System |
| LASA | Lidar Atmospheric Sounder And Altimeter |
| GREM | Geopotential Research Explorer Mission |
| ITWIS | Integrated Terminal Weather Information System |