| Acronym | Meaning |
| RCP | Radiation Constraints Panel |
| OSTO | Office Of Space Transportation Operations |
| FHO | Failed Handover |
| IPS | Inside Radius |
| FCD | Flight Control Division (JSC) |
| MERSAT | Meteorology And Earth Observation Satellite |
| PCTE | Portable Commercial Test Equipment |
| FCIM | Flight Control Interface Module |
| U/W | Used With |
| ISS | Inertial Subsystem |