| Acronym | Meaning |
| AAA | American Arbitration Association |
| STEP | Solar Terrestrial Energy Program |
| MAPS | Multiple Aircraft Positioning System |
| AEE | Alliance For Environmental Education |
| NAPAP | National Acid Precipitation Assessment Program |
| DCM | Deep Convection Model |
| OSS | Office Of Space Station |
| DLT | Digital Linear Tape |
| VIL | Vertical Integrated Liquid |
| SEM | Space Environment Monitor |