| Acronym | Meaning |
| LVLH | Local Vertical/Local Horizontal |
| TMO | Tool Manufacturing Order |
| FAL | First Approach And Landing (Test) |
| P/S | Payload Specialist |
| PKG | Package |
| ORLA | OPtimum Repair Level Analysis |
| MAP | Maintenance Analysis Program |
| HXIS | Hard X-ray Imaging Spectrometer |
| E | LSCEarth Landing Sequence Controller |
| VAC | Vacuum |