| Acronym | Meaning |
| DMIS | Data Management Information System |
| SAM | SAMSShuttle Attachment ManiPulator SYstem |
| OGA | Outer Gimbal Axis |
| FEP | Fluorinated Ethylene Propylene |
| PTA | Propulsion Test Article |
| MA | Maintenance (STS) |
| FIO | Furnished And Installed By Others |
| LM | Long Module |
| UP | Upper |
| CWSU | Caution And Warning Status Unit |