| Acronym | Meaning |
| P/L-EX | Payload Executive |
| ICWG | International Coordinating Working Group |
| QNH | Quasi-nonhydrostatic Model |
| F/P-INT | Fabry-Perot Interferometer |
| NRL | Naval Research Laboratory |
| AFV | Alternative Fuel Vehicle |
| GPS-IPW | Global Positioning System-Integrated Precipitable Water |
| EOL | End Of Life |
| ACI | Automatic Closure And Interlock |
| NIMROD | Northern Illinois Meteorological Research On Downbursts |