| Acronym | Meaning |
| MPS | Main Propulsion System (Subsystem) |
| BME | Bench Maintenance Equipment |
| OCR | Optical Character Recognition |
| OVBD | Overboard |
| DEG | Degree |
| NFW | NNFW Nonfuel Wasting |
| MFMR | Multifrequency Microwave Radiometer |
| ILSSE | Integrated Life Science Shuttle Experiments |
| CD | Candella (Luminous Intensity) |
| ECU | Electrical Control Unit |