| Acronym | Meaning |
| GPME | General Purpose Mission Equipment |
| REV | Revolution |
| PGM | Program (able) |
| VECO | Vernier Engine Cutoff |
| BP | Bandpass |
| CSDD | Control Systems DeveloPment Division (JSC) |
| MORD | Mission Operations Requirements Document |
| RCHCS | Regenerable CO And Humidity Contro SYstem |
| DIGI | Digital |
| EOP | Experiments Of Opportunity |