| Acronym | Meaning |
| MILNET | Military Network |
| MMSS | Multimission Support Service |
| EFTA | European Free Trade Association |
| ESID | EOSDIS Systems Interface Document |
| EPAC | External Program Advisory Committee |
| TAS | True Air Speed |
| LTE | Local Thermodynamic Equilibrium |
| OBAC | Office Of Budget And Control |
| FD | Facility Division |
| GPP | Gross Primary Productivity |