| Acronym | Meaning |
| HCF | High Cycle Fatigue |
| VFT | Verification Flight Test |
| RUT | Resource Utilization Time |
| SL-SSS | Spacelab Subsystem(s) Segment |
| PTD | Provisioning Technical Documentation |
| T-0 | Time Zero |
| HGDS | Hazardous Gas Detection System |
| PP | Program Performance |
| MTS | Magnetic Tape Station (System) |
| DMG | Data Management Group |