| Acronym | Meaning |
| IAEA | International Atomic Energy Agency |
| EOS | Earth Observing System |
| NMF | Normal Mode Functions |
| ABS | Automatic Backup Shutdown |
| FRD | Forecast Research Division |
| WISPIT | Winter Icing And Storms Project (WISP) Instrumentation Test |
| TDM | Time Division Multiplex |
| OCI | Ocean Color Imager |
| ELP | Equipment Loan Program |
| EPAA | Environmental Programs Assistance Act |