| Acronym | Meaning |
| AIDS | Activity Information Data Systems |
| GOST | Goals Objectives Strategies Tactics |
| ETG | Eclipse Task Group |
| DSB | Direct Soundings Broadcast |
| N-SCAT | NASA Scatterometer |
| FODDAS | Four-Dimensional Data Assimilation Study |
| SMMR | Scanning Multichannel Microwave Radiometer |
| PCO | Polar Cap Observatory |
| FOS | Family Of Services |
| NAS | National Academy Of Sciences |