| Acronym | Meaning |
| NICI | Negative Ion Chemical Ionization |
| SSTS | Sea Surface Temperatures |
| PPU | Peripheral Processor Unit |
| ALPAL | Parallel Program Developed At LLNL |
| MSLP | Mean Sea-level Pressure |
| SMG | Scientific And Management Group |
| FWS | Filter Wedge Spectrometer |
| NSS | Nodal Switching Subsystem |
| FTP | File Transfer Protocol |
| GRASP | Graphic Animation System For Professionals |