| Acronym | Meaning |
| SERV | Service |
| VSA | Verification Site Approval |
| FTA | Fault Tree Analysis |
| SLEMU | SPacelab Engineering Model Unit |
| LCF | LowCycle Fatigue |
| ORTHOG | Orthogonal |
| TTLM | Through-the-Lens Light Metering |
| SCD | Specification Control Document |
| CICU | Computer Interface Conditioning Unit |
| KBAC | Kennedy Booster Assemblv Contractor |