| Acronym | Meaning |
| SSM/I | Special Sensor Microwave Imager |
| VRR | Visual Radio Range |
| EXPRESSO | EXPeriment For REgional Sources And Sinks Of Oxidants |
| IADB | Interactive Ancillary Data Base |
| VSWR | Voltage Standing-wave Ratio |
| DFVLR | Deutsche Forschungs-und Versuchanstalt F?r Luft-und Raumfahrt E.V. |
| CAC | Climate Analysis Center |
| LISP | List Processing Language |
| UHV | Use An Ultrahigh Vacuum |
| USACE | United State Army Corps Of Engineers |