| Acronym | Meaning |
| USCG | United States Coast Guard |
| MTTF | Mean Time To Failure |
| CAALS | Consortium On Automated Standards |
| MTC | Main Trunk Circuit |
| PCNFS | Personal Computer Network File System |
| JMSC | Joint Meteorological Satellite Communication |
| HDLC | High Level Data Link Control |
| SDHS | Satellite Data Handling System |
| IAPSO | International Association Of Physical Sciences Of The Ocean |
| NSTS | National Space Transportation System |