| Acronym | Meaning |
| RHI | Range-height-indicator |
| ATC | Air Traffic Control |
| STEM | Scanning-transmission Electron Microscope |
| ODW | Omega Dropwindsonde |
| GST | GPS Science And Technology Program |
| NAE | National Academy Of Engineering |
| SPIE | Society Of Photo-optical Engineers |
| CCOPE | Cooperative Convective Precipitation Experiment |
| OPLE | Omega Position Location Equipment |
| BRAVE | Boeing Robotic Air Vehicle |