| Acronym | Meaning |
| EMA | Extended Memory Addressing |
| GAL | Galileo |
| ACN AWIPS | Communication Network |
| AO | Announcement Of Oppurtunity |
| ISSS | International Society Of Soil Science |
| ERS-1 | European Remote Sensing Satellite 1 |
| CDIS | Command And Data Interface Simulator Unit |
| MATEX | Massive Air Tracer Experiment |
| SCM | Stratospheric Circulation Model |
| NSTS | National Space Transportation System |