| Acronym | Meaning |
| DCTN | Defense Commercial Telecommunications Network |
| DD+ | Domestic Data Plus |
| DWB | Library |
| GRASP | Graphic Animation System For Professionals |
| JMG | Joint Meteorological Group |
| PROM | Programmable Read-Only Memory |
| EM | Electron Microscope |
| DCAA | Defense Contract Audit Agency |
| CAA | Clean Air Act |
| ENVISAT | European Environmental Satellite |