| Acronym | Meaning |
| GTOS | Global Terrestrial Observing System |
| MSD | Mass Storage Device |
| CARP | Colorado-Amudarya Rivers Project |
| UT / LS | Upper Troposphere/ Lower Stratosphere |
| HF | High Frequency |
| USJGOFS | United States Joint Global Ocean Flux Study |
| EPO | Estuarine Programs Office |
| BGP4 | Border Gateway Protocol Version 4 |
| DS | Lightning Detection Systems |
| ACF | Acid Concentrator Feed |