| Acronym | Meaning |
| DUPLX | Duplex |
| TDM | Time-Division Multiplexing (Multiplexer) |
| QRSL | Quick-Reaction Space Laboratory |
| FSS | Fire Suppression System |
| SOC | SYstem OPtion Controller |
| PICRS | Program Information Coordination And Review |
| ORD | Operational Requirements Document |
| SHA | Sidereal Hour Angle |
| EIT | Entry Interface Time |
| ACES | Acoustic Containerless Experiment System |