| Acronym | Meaning |
| EXOSAT | European X-ray Observatory Satellite |
| CAPPPI | Citizen Ambassador Program Of People To People International |
| CCM4 | Community Climate Model 4 |
| NS | Nanoseconds |
| RAMS | Remote Aerosol-Mapping System |
| THC | Total Hydrocarbons |
| FSEC | Florida Solar Energy Center |
| DPC | DLESE Program Center |
| AMRV | Advanced Maneuvering Re-entry Vehicle |
| ATCSC | Air Traffic Control Systems Command Center |