| Acronym | Meaning |
| SMS | Scalable Modeling System |
| ANS | Advanced Neutron Source |
| GLOBE | Global Learning And Observations To Benefit The Environment |
| HVPS | High-volume Precipitation Spectrometer |
| FFTF | Fast Flux Test Facility |
| FODDAS | Four-Dimensional Data Assimilation Study |
| APA | American Planning Association |
| P/L-EX | Payload Executive |
| NASDA | National Space Development Agency |
| POISE-98 | POlarimetric Instrument For Solar Eclipse-98 |