| Acronym | Meaning |
| NVR | Non-Verification Required |
| EV | Extravehicular |
| EDA | Elevation Drive Assembly |
| PDRS | Payload Deployment And Retrieval System |
| CTIS | Crawler Transporter Intercom System |
| D | LSC DLTRData Link Terminal Repeater |
| MPST | Multipurpose Support Team |
| BDA | BermudaIsland |
| SAVER | Shuttle Avionics Verification And Evaluation |
| PIU | Pyrotechnic Initiator Unit |