| Acronym | Meaning |
| SL&I | System Load And Initialization |
| SATO | Supply And Transportation Operations |
| HMF | Horizontal Mating Facility |
| CRS | C02 Reduction Subsystem |
| CE | Control Element |
| OTA | Optical Telescope Assembly |
| TU | Technology Utilization |
| PMF | Performance Monitor (Monitoring) Function |
| RV | Reentry Vehicle |
| SLA | ERNO Spacelab Product Assurance Department |