| Acronym | Meaning |
| CST | Combined Systems Test |
| SSI | Significant Structural Item |
| PSSP | Payload Specialist Station Panel |
| PCA | Pneumatic Control Assembly |
| CMD | DCDR Command Decoder |
| K-SLM | KSC Spacelab Plan/Requirement |
| MSI | Medium Scale Integration |
| CRSI | Ceramic Reusable Surface Insulation |
| CHL | Channel |
| RFI | Radio Frequency Interference |