| Acronym | Meaning |
| CNTRL | Controller |
| OM | RS Operations And Maintenance Requirements Specification |
| RRL | Rudder Reference Line |
| ESP | Experiment Sensing Platform |
| OTP | Operations Turnaround Plan |
| SFEX | Solar Flare X-ray Polarimeter |
| PCS | Pressure Control System |
| MEM | Module Exchange Mechanism |
| RM | Reference Mission |
| CAB | Cabinet |