| Acronym | Meaning |
| SPARC | Stratospheric Processes And Their Role In Climate |
| GISP | Greeland Ice Sheet Program |
| VTAM | Virtual Telecommunications Access Method |
| DSN | Defense Switched Network |
| DOPLID | Doppler Lidar |
| SEM | Scanning Electron Microscope |
| NEXUS | Navaid-based Upper- Air Sounding System |
| UHV | Use An Ultrahigh Vacuum |
| PEM | Pacific Exploratory Measurements |
| SEC | Securities & Exchange Commission |