| Acronym | Meaning |
| GGI | GPS Geoscience Instrument |
| GOS | Global Observing System |
| NRCC | National Research Council Of Canada |
| EUROTRAC | European Experiment For Transporting And Transforming Environmentally Relevant Trace Construction In The Troposphere |
| CAI | Controlled Air Incinerator |
| IOS | Input/Output Subsystem |
| EFC | Experimental Forecast Center |
| PACJET | Pacific Land-falling Jets Experiment |
| ND | Near-dedicated |
| AFOSR | Air Force Office Of Scientific Research |