| Acronym | Meaning |
| IRIG | Inertial Rate (MIT) Or Reference (NASA) Integrating Gyroscope |
| IHOP | International H2O Project |
| ICO | Initial Operating Capability |
| FDMA | Frequency Division Multiple Access |
| AMOS | Automatic Meteorological Observation System |
| ODP | Onboard Data Processor |
| JONSWAP | Joint North Sea Wave Project |
| SR | Steradian |
| ITPR | Infrared Temperature Profile Radiometer |
| MOCCA | Mobile Operations Center For Communication And Analysis |