| Acronym | Meaning |
| ISMRM | Integrated Soil Moisture Retrieval Models |
| ICAR | International Cooperation In Aviation Research |
| GFE | Government Furnished Equipment |
| NASCAS | NAS Committee On Atmospheric Sciences |
| GTE | Global Tropospheric Experiment |
| SCST | State Committee On Science & Technology |
| GIF | Graphics Interchange Format |
| SGS | Subgrid Scale |
| BBSO | Big Bear Solar Observatory |
| ISP | Internet Service Provider |