| Acronym | Meaning |
| IFD | In-flight Deployment |
| GCRP | Global Change Research Program |
| EXPRS | EXpendable Probe Receiver System |
| SPC | Storm Prediction Center |
| DOAS | Differential Optical Absorption Spectroscopy |
| EL NI-O | The Little Boy |
| GTF | Ground Test Facility |
| LVBLE | Laramie Valley Boundary Layer Experiment |
| FCC | Federal Communications Commission |
| CAC | California Administrative Code |