| Acronym | Meaning |
| PM | PMAPerformance Monitor Annunciator |
| RJDF | Reaction Jet Driver Forward |
| RBN | Radio Beacon |
| PMM | Property Management Manual |
| K-SLM | KSC Spacelab Plan/Requirement |
| IB | Instruction Book |
| SOV | Solenoid Operated Valve |
| OBS | Operational Biomed Sensors |
| PROM | Progammable Read-only Memory |
| NITROGEN | PNitrogen Purge Control |