| Acronym | Meaning |
| RTH | Regional Telecommunications Hubs |
| DCC | Direct Connect Service |
| KB | Kilobit(s) |
| TASI | Time-assingment Speech Interpolation |
| ARDEC | Army Armament Research And Development Engineering Center |
| INS | Inertial Navigation System |
| GBDS | GARP Basic Data Set |
| FTE | Full-time Employees |
| EXPRESSO | EXPeriment For REgional Sources And Sinks Of Oxidants |
| SOAP | Simple Object Access Protocol |