| Acronym | Meaning |
| SYNCOM | Hughes Spin Stabilized Spacecraft |
| PU | Power Unit |
| SDH | System Development Handbook |
| MSVP | Master Shuttle Verification Plan |
| FQI | Flight Qualification Instrumentation |
| SLEMU | SPacelab Engineering Model Unit |
| BDA | Bermuda (STDN) |
| ESOW | Engineering Statement Of Work |
| USBS | Unified S-Band System (Subsystem) |
| SPC | Starting Point Code |