| Acronym | Meaning |
| ATHENA | Advanced Thermal-Hydraulic Energy Network Analyzer |
| JOI | Joint Oceanographic Institutions |
| BRI | Basic Rate Interface |
| AOPR | Associated Offices Of Primary Responsibility |
| SAWRS | Supplementary Aviation Weather Reporting System |
| GBDS | GARP Basic Data Set |
| LIS | Lightning Imaging Sensor |
| RISC | Reduced Instruction Set Computer |
| GOES | Geostationary Operational Environmental Satellite |
| ECA | Earth-crossing Asteroids |