| Acronym | Meaning |
| STP | Self-Test Program |
| MEIG | Main Engine Ignition |
| IC/ES | Intercommunication/Emergency Station |
| FLC | Federal Library Committee |
| OM | Operational Mid DSC Or MDM |
| RM/MS&C | Redundancy Management/Moding |
| HEX | Heat Exchanger |
| SMD | Spacelab Mission DeveloPment |
| KT | Knots |
| RTCC | Real-Time Computer Complex |