| Acronym | Meaning |
| KDU | Keyboard And DisPlay Unit |
| SEC | Secondary |
| F | Front |
| CC | Communications Control |
| MPD | Main Dc Power Distributor Assembly |
| ICB | Interim Change Bulletin |
| ESD | Experiment Systems Division |
| CP | CandlePower |
| FCA | Forward Controller Assembly |
| VIB | Vertical Integration Building |