| Acronym | Meaning |
| SPC | Small Particle Count (or Counter) |
| ACE-ASIA | Asian Pacific Regional Aerosol Characterization Experiment |
| SPEC | Scientific Programs Evaluation Committee |
| AWSE | Australian Winter Storm Experiment |
| FT | Forward-in-time |
| APD | Advance Planning Document |
| O AND A | Orbit And Altitude |
| GRA | Graduate Research Assistant |
| DAF | Data Acquisition Facility |
| ADC | Authorized Derivative Classifier |