| Acronym | Meaning |
| ESDIM | Earth System Data And Information Management |
| NOAA | National Oceanic And Atmospheric Administration |
| B | Byte |
| FOOTPRINT | Measuring And Modeling The Surface Footprint Of Scalar Fluxes |
| P/L-EX | Payload Executive |
| ATEN | Association Technique De L'Energie Nucleaire |
| EGTF | Electron Gun Test Facility |
| FASB | Financial Accounting Standards Board |
| SOAP | Simple Object Access Protocol |
| NEXAIR | Next Generation Upper Air System |