| Acronym | Meaning |
| CG | Center Of Gravity |
| FACO | Fabrication And Acceptance Checkout |
| DDS | Detailed Design Specification |
| LCOM | Logic Control OutPut Module |
| ESP | Engine Service Platforms |
| ESRO | European Space Research Organization |
| PD&RS | Payload Deployment And Retrieval Subsystem |
| RSSPO | Resident Space Shuttle Project Office (Officer) |
| MSEC | Master Separation Events Controller |
| SYMM | Symmetrical |