| Acronym | Meaning |
| NNT | Nearest Neighbor Tool |
| MFECC | Magnetic Fusion Energy Computation Center |
| STEP | Solar Terrestrial Energy Program |
| NORPAX | North Pacific Experiment |
| MAPS | Measurement Of Air Pollution From Satellites |
| WBRT | Weather Bureau Radio Thoedolite |
| ARPA | Archaeological Resources Protection Act |
| GRGC | Geologic Record Of Global Change |
| G-M | Gent-McWilliams Parameterization Scheme |
| NCSNET | NASCOM Custom Subnetwork |