| Acronym | Meaning |
| RUCS | Rapid Update Cycle Surface |
| SCS | Soil Conservation Service |
| AA | Affirmative Action |
| IASP | International Atmospheric Surveillance Program |
| DOD | Digital Omega Dropwindsonde |
| DOE/ID | DOE Idaho |
| PSC | Geomagnetic Pulsation |
| G-M | Gent-McWilliams Parameterization Scheme |
| MAPS | Multiple Aircraft Positioning System |
| ACAP (ACAPS) | Advanced Computer For Array Processing |