| Acronym | Meaning |
| HP | Hewlett-Packard |
| FIRE-ACE | First ISCCP International Satellite Cloud Climatology Program |
| ADL | Alexandria Digital Library |
| GPS-IPW | Global Positioning System-Integrated Precipitable Water |
| SLW | Supercooled Liquid Water |
| EXPRESSO | EXPeriment For REgional Sources And Sinks Of Oxidants |
| ASR | Annual Scientific Report |
| ALEXIS | Array Of Low-energy X-ray Imaging Sensors |
| FNOC | Fleet Numerical Operations Center |
| GST | GPS Science And Technology Program |