| Acronym | Meaning |
 | G-TUF | G-Tunnel Underground Facility |
| ARO | Army Research Office |
| SIRIS | Stratospheric Infrared Interferometer Spectrometer |
| API | American Petroleum Institute |
| NIDS | NEXRAD Information And Data System |
| ARPA | Advanced Research Projects Agency |
| AIP | American Institute Of Physics |
| PIBALS | Pilot Balloons |
| FGGE | First GARP Global Experiment |
| DAIRS | Differential Absorption Infrared Sensor |
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