| Acronym | Meaning |
| ICF | Interface Control Function |
| GRN | Green |
| PI | Preliminary Investigation |
| RCHCS | Regenerable CO And Humidity Contro SYstem |
| TSC | Test Support Coordinator |
| SY | Shoulder Yaw |
| SCS | Stabilization And Control SYstem (Subsystem) |
| RSS | Range Safety System |
| S/C | Stabilization And Control |
| HG | High Gain |