| Acronym | Meaning |
| SV | State Vector |
| TOG | Toggle |
| ESR | Engineering Support Request |
| PGHM | Payload Ground Handling Mechanism |
| HP | HewlettPackard |
| EVLSS | Extravehicular Life Support System |
| REIL | Runway End Identification Lights |
| FACI | First Article Configuration Inspection |
| MTDSK | Magnetic Tape Disk |
| MRA | Mechanical Readiness Assessment |