| Acronym | Meaning |
| ASTHO | Association Of State & Territorial Health Officials |
| MARK-IVB | N/A |
| VORTEX | Verification Of Tornadoes Experiment |
| MKS | Unit Of Force Replaced By Newtons |
| ESID | EOSDIS Systems Interface Document |
| BGCWG | Biogeochemistry Working Group |
| GF | Gigaflops |
| ITOS | Improved Tiros Operational Satellite |
| MIGS | MASnet Internet Gateway Server (or System) |
| ESTEC | European Space Research And Space Technology Centre |