| Acronym | Meaning |
| CE | Control Element |
| MDS | Minimum Discernible Signal |
| GOSS | GrGOSSGround Operations Support System |
| DISP | Dispenser |
| IPB | Illuminated Push Button |
| HTS | Heat Transport Section |
| M&C | Monitor And Control Panel |
| ESRO | European Space Research Organization |
| SSITP | Shuttle System Integrated Test Plan |
| VCI | Velocity Change Indicator |