| Acronym | Meaning |
| VLBI | Very Long Baseline Interferometry |
| EROS | Earth Resources Observations System |
| APE | Auroral Photography Experiment |
| DCA | Defense Communications Agency |
| DESAT | Desaturation |
| REM | Rat Enclosure Module |
| STC | Stennis Test Center |
| DOE | Department Of Education |
| GIF | Graphics Interchange Format |
| MRSRM | Mars Rover And Sample Return Mission |