| Acronym | Meaning |
| CIR | Configuration Inspection Report |
| SPL | Scratch Pad Line |
| TSRA | Total System Requirements Analysis |
| OAS | Office Automation System |
| TPM2 | Terminal Phase Midcourse #2 |
| EPPS | Electrical Power/Pyro Sequential System |
| HDQ | Headquarters |
| STD | LStandard Distribution List (letter Denoting Which List |
| DACBU | Data Acquisition And Control Buffer Unit |
| PGR | SPacelab Planning And Ground Rule |