| Acronym | Meaning |
| DBGMP | DBWData Bus Wire |
| UNLK | Unlock |
| UV | Microvolt |
| MDRS | Manufacturing Data Retrieval System |
| EMPGS | Electrical/Mechanical Power Generation SubsYstem |
| CHX | Cabin Heat Exchanger |
| ECP | Engineering Change Proposal |
| MCIU | Manipulator Controller Interface Unit |
| SUMS | Shuttle Upper-Atmosphere Mass Spectrometer |
| T/C | Termination Check |