| Acronym | Meaning |
| COMAS | Combined Orbital Maneuvering And Abort System |
| OTD | Orbiter Test Director |
| ECR | Engineering Change Request |
| SATO | Supply And Transportation Operations |
| STL | Space Technology Laboratories |
| GSS | Ground Support System |
| ASE | Airborne Support Equipment |
| BDA | Bermuda (STDN) |
| NCI | Phasing Maneuver |
| MMCA | Mid Motor Controller Assembly |