| Acronym | Meaning |
 | GDBS | Generalized Data Base System |
| MFO | Major Function Overlay |
| EUROCOMSATE | European Consortium Communications Satellite |
| PLSS | Portable Life Support System |
| BSI | Basic Shipping Instructions |
| EVD | External Visual Display |
| MA | Mission Analysis |
| REIL | Runway End Identification Lights |
| CSD | Chemical Systems Division |
| PCM | Pulse Code Modulation |
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