| Acronym | Meaning |
| GTCU | Ground Thermal Conditioning Unit |
| CA | Cost Account |
| OPP | OPPosite |
| PS | Prime Select |
| MDAS | Mission Data Acquisition System |
| MAB | Mechanical Automation Breadboard |
| VCS | Verification Control Sheet |
| TD&SA | Telephone |
| DDS | Detailed Design Specification |
| SSEOS | Space Shuttle Engineering And Operations Support |