| Acronym | Meaning |
| SRCBD | Software Requirements Change Board Directive |
| TPUN | Test Procedure Update Notice |
| SDT | Shuttle Data Tape |
| BC | Bus Coupler |
| FT | Functional Test |
| PCB | Product Configuration Baseline |
| POP | Preflight Operations Procedures |
| MCIU | Manipulator Controller Interface Unit |
| VIC | Visitors Information Center |
| PDR | Program Design Review |