| Acronym | Meaning |
| TGCM | Thermospheric General Circulation Model |
| NROSS | Naval Remote Ocean Sensing System |
| S&T | Science And Technology |
| ATSR | Along Track Scanning Radiometer |
| NEXUS | Next Upper Air Sounder (system) |
| AGFS | Aviation Gridded Forecast Systems |
| AKP | Atmospheric Kinetics Project |
| DED | Data Element Directory |
| ASP | Advanced Stokes Polarimeter |
| A/D | Analog-to-digital |