| Acronym | Meaning |
| OPPE | Office Of Policy |
| LSM | Land Surface Model |
| CASS | Computer-Assisted Surveillance System |
| G/T | Activity Per Ton |
| DPDC | Data Processing And Distribution Center |
| ESSCO | Electronic Space Systems Corporation |
| EMEX | Equatorial Mesoscale Experiment |
| ALJ | Administrative Law Judge |
| ECMRWF | European Centre For Medium-Range Weather Forecasts |
| ESID | EOSDIS Systems Interface Document |