| Acronym | Meaning |
| PSS | Payload Support System |
| RSB | RudderSpeedBrake |
| MPS | Master Program |
| WAD | Work Authorization Document/Shop Order |
| WBSC | Wide-band Signal Conditioner |
| STF | Spin Test Facility (see DSTF) |
| IPCL | Instrumentation Program And Component List |
| FSS | Flight Support Station (for MMU) |
| COE | Corps Of Engineer |
| SPEC | Specialist Function |