| Acronym | Meaning |
| IPS | IsInstallation Support |
| CDR | Critical Design Review |
| PRE | Personal Rescue Enclosure |
| BDCR | Baseline Document Change Request |
| U/M | Unmanned |
| PSDP | Payload Station Distribution Panel |
| NB | No-Bias (Relay) |
| RSC | Range Safety Control/Command |
| SLI | ERNO Spacelab Integration And Test |
| IPAD | Integrated Program For Aerospace Vehicle Design |