| Acronym | Meaning |
| JEM | Joint Environmental Monitoring |
| EMEP | European Model And Evaluation Program |
| FPD | Flight Projects Directorate |
| EMU | Electromotive Unit |
| Y/C | Luminance/Chrominance |
| ALEC | American Legislative Exchange Council |
| SPO | Sacramento Peak Observatory |
| AWDP | Aviation Weather Development Program |
| BPS | Bits Per Second |
| ELVIS | Export Licensing Voice Information System |