| Acronym | Meaning |
| CORE | Common Operational Research Equipment |
| SOA | RShuttle Orbital Applications And Requirements |
| DL | Downlink |
| GSIU | Ground Standard Interface Unit |
| EPS | Electrical Power System (Subsystem) |
| EETB | Electronic Electrical Termination Building |
| GEOSEPS | Geosynchronous Solar Electric Propulsion Stage |
| PIC | Payload Integration Center |
| PR | Pressure |
| STS | Shuttle Test Station |