| Acronym | Meaning |
| SCA | Sequence Control Assembly |
| ESV | Emergency Shutoff Valve |
| ESS | Equipment Support Section |
| CMPTR | ACTYComputer Activity |
| BACS | Body Axis Coordinate System |
| GERT | Graphical Evaluation And Review Technique |
| VLV | Value |
| DPN | L Distribution Panel |
| SDR | Spacelab DisPosition Record (ESA) |
| MRD | Material Review Disposition |