| Acronym | Meaning |
| ENAC | Energetic Neutral Atom Camera |
| RT/PC | RISC Technology/Personal Computer |
| M-ANL | Argonne National Laboratory |
| NSTS | National Space Transportation System |
| IUPAB | International Union Of Pure And Applied Biophysics |
| DTIC | Defense Technical Information Center |
| ISSN | International Standard Serial Number |
| SPECMAP | Spectral Mapping |
| NRSC | National Remote Sensing Centre |
| NLDS | National Lightning Detection System |