| Acronym | Meaning |
| NCSA | National Center For Supercomputing Applications |
| ISF | In-Situ Sensing Facility |
| AWG | American Wire Gage |
| CCCMA | Canadian Centre For Climate Modeling And Analysis |
| VF | Voice Frequency |
| ILEC | International Lake Environment Committee |
| IRIG | Inertial Rate (MIT) Or Reference (NASA) Integrating Gyroscope |
| HRIR | High-resolution Infrared Radiometer |
| OPPE | Office Of Policy |
| FIS | Financial Information System |